************************************************************************ * tubes.lib - Andrei's tube models library (for Spice 3f4) * * Copyright (C) 2001 Andrei Frolov * Distributed under the terms of GNU Public License. * * Based on the models and ideas of many people; see in particular * - Norman Koren pages * - Duncan Munro pages * - Spice models survey by Stefano Perugini * * - Vacuum tube parameter identification by Mithat F. Konar * * ************************************************************************ ************************************************************************ * CIRCUIT MODELS SUMMARY: * ---------------------- * - Rectifiers: * [octal] 3DG4 5AR4/GZ34 5AU4/5V3 5U4 5V4 5Y3 274B 6X5 * [mini7] 6X4 * [noval] 6CA4/EZ81 (6V4)/EZ80 * - Triodes: * [UX4] 26 30 31 45 50 2A3 300B * [UX5] 27 37 56 * [octal] 6BL7 6BX7 6DN7 6SL7 6SN7 6AS7 6080 6528 * [noval] PCC88 5687 417A 437A 6N30P * [submini] 6111 * * DATA SOURCES: * ------------ * * CHANGELOG: * --------- * ************************************************************************ *You may need to change the "m" seen on constants to "e-3", "k" to "e3", * "exp" to "2.7182818^" if your spice program barfs on these. * Select the line starting with Bp you think makes the best fitting curves * by uncommenting it and commenting out all others with the * ******************* Vacuum Diode Models ******************************** * 3DG4 - DH full-wave power rectifier (350mA) * Data from GE 3DG4 datasheet - traced on 10-11-01 by AF .subckt 3DG4 P K * Child-Langmuir law: mean fit error 3.52662 mA * Bp P K I=(2.698962402m)*uramp(V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 2.22284 mA Bp P K I=(2.733421052m)*uramp(V(P,K)+(-0.3709046687))^1.5 * Perugini model: mean fit error 2.21657 mA * Bp P K I=((2.604459133m)+(-0.0005396471359m)*V(P,K))*uramp(V(P,K)+(-0.2400294538))^(1.514047938) .ends 3DG4 * 5AR4 - IDH full-wave power rectifier (250mA) * Data from GE 5AR4 datasheet - traced on 10-11-01 by AF .subckt 5AR4 P K * Child-Langmuir law: mean fit error 3.57654 mA * Bp P K I=(3.241174316m)*uramp(V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 3.48688 mA Bp P K I=(3.257047182m)*uramp(V(P,K)+(-0.1046690061))^1.5 * Perugini model: mean fit error 0.685736 mA * Bp P K I=((1.801056955m)+(-0.009848868441m)*V(P,K))*uramp(V(P,K)+(0.5667044198))^(1.718422381) .ends 5AR4 * GZ34 - IDH full-wave power rectifier (250mA) * Data from Philips GZ34 datasheet - traced on 10-11-01 by AF .subckt GZ34 P K * Child-Langmuir law: mean fit error 5.32372 mA * Bp P K I=(3.968200684m)*uramp(V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 4.64243 mA Bp P K I=(4.050621191m)*uramp(V(P,K)+(-0.3522660485))^1.5 * Perugini model: mean fit error 1.81874 mA * Bp P K I=((1.770910894m)+(-0.002635208504m)*V(P,K))*uramp(V(P,K)+(1.90184266))^(1.721344738) .ends GZ34 * 5AU4 - DH full-wave power rectifier (325mA) * Data from GE 5AU4 datasheet - traced on 10-11-01 by AF .subckt 5AU4 P K * Child-Langmuir law: mean fit error 2.91988 mA * Bp P K I=(0.9904121399m)*uramp(V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 2.03865 mA Bp P K I=(1.001318345m)*uramp(V(P,K)+(-0.5914399553))^1.5 * Perugini model: mean fit error 1.39243 mA * Bp P K I=((1.243495938m)+(0.001247697537m)*V(P,K))*uramp(V(P,K)+(-0.8353102945))^(1.43333432) .ends 5AU4 * 5V3 - DH full-wave power rectifier (350mA) * Data from GE 5V3 datasheet - traced on 08-09-01 by AF .subckt 5V3 P K * Child-Langmuir law: mean fit error 4.98363 mA * Bp P K I=(1.085098267m)*uramp(V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 4.57773 mA Bp P K I=(1.093537823m)*uramp(V(P,K)+(-0.4353512857))^1.5 * Perugini model: mean fit error 2.33562 mA * Bp P K I=((0.9707914136m)+(-0.0009299376857m)*V(P,K))*uramp(V(P,K)+(-1.077144669))^(1.549894427) .ends 5V3 * 5U4 - DH full-wave power rectifier (275mA) * Data from GE 5U4GB datasheet - traced on 08-09-01 by AF .subckt 5U4 P K * Child-Langmuir law: mean fit error 2.37547 mA * Bp P K I=(0.7784729004m)*uramp(V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 0.949764 mA Bp P K I=(0.787802982m)*uramp(V(P,K)+(-0.6644060839))^1.5 * Perugini model: mean fit error 0.844211 mA * Bp P K I=((0.6623814366m)+(-0.0002767670064m)*V(P,K))*uramp(V(P,K)+(-0.07623613033))^(1.545073678) .ends 5U4 * 5V4 - IDH full-wave power rectifier (175mA) * Data from GE 5V4GA datasheet - traced on 09-09-01 by AF .subckt 5V4 P K * Child-Langmuir law: mean fit error 1.39637 mA * Bp P K I=(1.393901825m)*uramp(V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 1.20084 mA Bp P K I=(1.404180087m)*uramp(V(P,K)+(-0.1877759095))^1.5 * Perugini model: mean fit error 0.948085 mA * Bp P K I=((1.324187528m)+(0.0007522446486m)*V(P,K))*uramp(V(P,K)+(0.1960102559))^(1.505493163) .ends 5V4 * 5Y3 - DH full-wave power rectifier (125mA) * Data from GE 5Y3GT datasheet - traced on 09-09-01 by AF .subckt 5Y3 P K * Child-Langmuir law: mean fit error 1.15597 mA * Bp P K I=(0.3533050537m)*uramp(V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 0.958542 mA Bp P K I=(0.3560945008m)*uramp(V(P,K)+(-0.4420163009))^1.5 * Perugini model: mean fit error 0.656689 mA * Bp P K I=((0.3169037014m)+(5.675621737e-05m)*V(P,K))*uramp(V(P,K)+(0.6363978284))^(1.51803242) .ends 5Y3 * 274B - DH full-wave power rectifier (225mA) * Data from WE 274B datasheet - traced on 30-09-01 by AF .subckt 274B P K * Child-Langmuir law: mean fit error 1.17132 mA * Bp P K I=(0.3503318812m)*uramp(V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 0.983373 mA Bp P K I=(0.3458749385m)*uramp(V(P,K)+(0.539276053))^1.5 * Perugini model: mean fit error 0.393065 mA * Bp P K I=((0.368828156m)+(-0.0003153165025m)*V(P,K))*uramp(V(P,K)+(-0.6317505224))^(1.505633947) .ends 274B * 6X5 - IDH full-wave power rectifier (70mA) * Data from GE 6X5GT datasheet - traced on 09-09-01 by AF .subckt 6X5 P K * Child-Langmuir law: mean fit error 0.829063 mA * Bp P K I=(0.6876983643m)*uramp(V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 0.666578 mA Bp P K I=(0.6965588691m)*uramp(V(P,K)+(-0.2713646197))^1.5 * Perugini model: mean fit error 0.350721 mA * Bp P K I=((0.3658726552m)+(-0.0008687929442m)*V(P,K))*uramp(V(P,K)+(1.384235957))^(1.683868589) .ends 6X5 * 6X4 - IDH full-wave miniature power rectifier (70mA) (this is essentially 6X5 in 7-pin base) * Data from GE 6X4 datasheet - traced on 09-09-01 by AF .subckt 6X4 P K * Child-Langmuir law: mean fit error 1.10646 mA * Bp P K I=(0.6787719727m)*uramp(V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 0.603786 mA Bp P K I=(0.6955865558m)*uramp(V(P,K)+(-0.5138012527))^1.5 * Perugini model: mean fit error 0.372965 mA * Bp P K I=((0.4819803969m)+(-0.001701085314m)*V(P,K))*uramp(V(P,K)+(-0.06370839623))^(1.636154216) .ends 6X4 * 6CA4 - IDH full-wave miniature power rectifier (150mA) * Data from GE 6CA4 datasheet - traced on 13-03-02 by AF .subckt 6CA4 P K * Child-Langmuir law: mean fit error 0.585402 mA * Bp P K I=(1.672480011m)*uramp(V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 0.352346 mA Bp P K I=(1.68085724m)*uramp(V(P,K)+(-0.1132675647))^1.5 * Perugini model: mean fit error 0.349954 mA * Bp P K I=((1.673471733m)+(-0.0001489801373m)*V(P,K))*uramp(V(P,K)+(-0.1167055168))^(1.502190772) .ends 6CA4 * EZ81 - IDH full-wave power rectifier (150mA) * Data from Philips EZ81 datasheet - traced on 10-11-01 by AF .subckt EZ81 P K * Child-Langmuir law: mean fit error 3.98557 mA * Bp P K I=(1.703564453m)*uramp(V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 3.06551 mA Bp P K I=(1.616914135m)*uramp(V(P,K)+(0.8508860213))^1.5 * Perugini model: mean fit error 1.36344 mA * Bp P K I=((3.069306816m)+(0.1206292787m)*V(P,K))*uramp(V(P,K)+(1.116202179))^(1.087711051) .ends EZ81 * EZ80 - IDH full-wave power rectifier (90mA) * Data from Philips EZ80 datasheet - traced on 10-11-01 by AF .subckt EZ80 P K * Child-Langmuir law: mean fit error 1.07583 mA * Bp P K I=(0.7265075684m)*uramp(V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 0.805197 mA Bp P K I=(0.7527537983m)*uramp(V(P,K)+(-0.553916594))^1.5 * Perugini model: mean fit error 0.279904 mA * Bp P K I=((0.08550573077m)+(-0.000848630625m)*V(P,K))*uramp(V(P,K)+(3.586198141))^(2.164324675) .ends EZ80 ******************* Vacuum Triode Models ******************************* * 26 - DH power amplifier low-mu Bp P K I=(m)*uramp(()*V(G,K)+V(P,K))^1.5 (filament: AC/DC 1.5V 1.05A) * From RCA 26 datasheet - traced on 28-11-01 by AF .subckt 26 P G K Cgp G P 8.1p Ci G K 2.8p Co P K 2.5p * Child-Langmuir law: mean fit error 0.195637 mA * Bp P K I=(0.01096792961m)*uramp((8.01146955)*V(G,K)+V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 0.155271 mA * Bp P K I=(0.01015450934m)*uramp((8.112832325)*V(G,K)+V(P,K)+(4.432553413))^1.5 * Rydel model (4 parameters): mean fit error 0.122908 mA * Bp P K I=((0.0107842298m)+(8.627435956e-05m)*V(G,K))*uramp((7.7878004)*V(G,K)+V(P,K)+(1.816064405))^1.5 * Rydel model (5 parameters): mean fit error 0.122157 mA * Bp P K I=((0.0107444659m)+(8.597805975e-05m)*V(G,K))*uramp((7.753423216)*V(G,K)+V(P,K)+(1.047159959))^1.5 * V(P,K)/(V(P,K)+(-1.566406691)) * Koren model (4 parameters): mean fit error 0.0980838 mA * Bp P K I=(0.01598648998m)*uramp(V(P,K)*ln(1.0+exp((11.34306022)+(11.34306022)*(8.229713305)*V(G,K)/V(P,K)))/(11.34306022))^(1.418284253) * Koren model (5 parameters): mean fit error 0.0894751 mA Bp P K I=(0.01409182929m)*uramp(V(P,K)*ln(1.0+exp((10.7417044)+(10.7417044)*(8.264015369)*V(G,K)/sqrt((0.4130891165k)+V(P,K)^2)))/(10.7417044))^(1.446260172) * Modified Koren model (6 parameters): mean fit error 0.0939752 mA * Bp P K I=(0.01544284649m)*uramp(V(P,K)*ln(1.0+(0.1798504701)+exp((11.67230465)+(11.67230465)*((8.151623032)+(-4.01015157m)*V(G,K))*V(G,K)/V(P,K)))/(11.67230465))^(1.425533218) * Modified Koren model (8 parameters): mean fit error 0.0913151 mA * Bp P K I=(0.01460921873m)*uramp(V(P,K)*ln(1.0+(0.04739664922)+exp((10.67436405)+(10.67436405)*((8.270072402)+(-2.475361714m)*V(G,K))*V(G,K)/sqrt((1.135104222)^2+(V(P,K)-(-2.016161089))^2)))/(10.67436405))^(1.437995601) .ends 26 * 30 - DH low-mu Bp P K I=(m)*uramp(()*V(G,K)+V(P,K))^1.5 for battery powered amplifiers (filament: DC 2.0V 60mA) * From RCA 30 datasheet - traced on 17-11-01 by AF .subckt 30 P G K Cgp G P 6.0p Ci G K 3.0p Co P K 2.1p * Child-Langmuir law: mean fit error 0.156788 mA * Bp P K I=(0.00833043584m)*uramp((9.419983191)*V(G,K)+V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 0.125115 mA * Bp P K I=(0.008920617735m)*uramp((9.325266529)*V(G,K)+V(P,K)+(-4.347367289))^1.5 * Rydel model (4 parameters): mean fit error 0.0998485 mA * Bp P K I=((0.009329224392m)+(5.518063362e-05m)*V(G,K))*uramp((9.09982614)*V(G,K)+V(P,K)+(-6.302386745))^1.5 * Rydel model (5 parameters): mean fit error 0.0998516 mA * Bp P K I=((0.009341127626m)+(5.580307852e-05m)*V(G,K))*uramp((9.102118777)*V(G,K)+V(P,K)+(-6.209886474))^1.5 * V(P,K)/(V(P,K)+(0.2979850758))* Koren model (4 parameters): mean fit error 0.0821472 mA * Bp P K I=(0.004809335611m)*uramp(V(P,K)*ln(1.0+exp((22.93020855)+(22.93020855)*(9.354375304)*V(G,K)/V(P,K)))/(22.93020855))^(1.62140495) * Koren model (5 parameters): mean fit error 0.0811884 mA * Bp P K I=(0.005023043043m)*uramp(V(P,K)*ln(1.0+exp((23.24749852)+(23.24749852)*(9.349305398)*V(G,K)/sqrt((-0.1823630153k)+V(P,K)^2)))/(23.24749852))^(1.612295919) * Modified Koren model (6 parameters): mean fit error 0.0817216 mA * Bp P K I=(0.004815300289m)*uramp(V(P,K)*ln(1.0+(1.273000886)+exp((33.75729989)+(33.75729989)*((9.3590051)+(0.5224315236m)*V(G,K))*V(G,K)/V(P,K)))/(33.75729989))^(1.621097037) * Modified Koren model (8 parameters): mean fit error 0.079354 mA Bp P K I=(0.005172475599m)*uramp(V(P,K)*ln(1.0+(1.407577311)+exp((33.16170736)+(33.16170736)*((9.156903373)+(-3.598975834m)*V(G,K))*V(G,K)/sqrt((-2.710729473)^2+(V(P,K)-(3.305398267))^2)))/(33.16170736))^(1.605637741) .ends 30 * 31 - DH low-mu Bp P K I=(m)*uramp(()*V(G,K)+V(P,K))^1.5 for battery powered amplifiers (filament: DC 2.0V 130mA) * From RCA 31 datasheet - traced on 02-03-02 by AF .subckt 31 P G K Cgp G P 5.7p Ci G K 3.5p Co P K 2.7p * Child-Langmuir law: mean fit error 0.320425 mA * Bp P K I=(0.02205745359m)*uramp((3.713620315)*V(G,K)+V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 0.3198 mA * Bp P K I=(0.02193490101m)*uramp((3.718582542)*V(G,K)+V(P,K)+(0.3621299162))^1.5 * Rydel model (4 parameters): mean fit error 0.258413 mA * Bp P K I=((0.02297244575m)+(7.669016122e-05m)*V(G,K))*uramp((3.596397776)*V(G,K)+V(P,K)+(-1.535154948))^1.5 * Rydel model (5 parameters): mean fit error 0.256474 mA * Bp P K I=((0.02274375564m)+(7.178317248e-05m)*V(G,K))*uramp((3.58331856)*V(G,K)+V(P,K)+(-2.357893147))^1.5 * V(P,K)/(V(P,K)+(-2.351272025)) * Koren model (4 parameters): mean fit error 0.178643 mA * Bp P K I=(0.02248634239m)*uramp(V(P,K)*ln(1.0+exp((13.67121599)+(13.67121599)*(3.761581167)*V(G,K)/V(P,K)))/(13.67121599))^(1.498272615) * Koren model (5 parameters): mean fit error 0.177843 mA * Bp P K I=(0.02183544564m)*uramp(V(P,K)*ln(1.0+exp((13.52584644)+(13.52584644)*(3.763053996)*V(G,K)/sqrt((0.07874039478k)+V(P,K)^2)))/(13.52584644))^(1.504601359) * Modified Koren model (6 parameters): mean fit error 0.177049 mA * Bp P K I=(0.02197468413m)*uramp(V(P,K)*ln(1.0+(0.06249632572)+exp((13.3922719)+(13.3922719)*((3.740380532)+(-0.536083805m)*V(G,K))*V(G,K)/V(P,K)))/(13.3922719))^(1.502977886) * Modified Koren model (8 parameters): mean fit error 0.176862 mA Bp P K I=(0.02191693259m)*uramp(V(P,K)*ln(1.0+(0.06082243839)+exp((13.18432356)+(13.18432356)*((3.722797448)+(-0.7716990319m)*V(G,K))*V(G,K)/sqrt((1.379436212)^2+(V(P,K)-(0.4628633254))^2)))/(13.18432356))^(1.503531954) .ends 31 * 45 - DH power amplifier low-mu Bp P K I=(m)*uramp(()*V(G,K)+V(P,K))^1.5 (filament: AC/DC 2.5V 1.5A) * From RCA 45 datasheet - traced on 14-09-01 by AF .subckt 45 P G K Cgp G P 7p Ci G K 4p Co P K 3p * Child-Langmuir law: mean fit error 2.06376 mA * Bp P K I=(0.0488684518m)*uramp((3.509343532)*V(G,K)+V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 2.06117 mA * Bp P K I=(0.04835502239m)*uramp((3.513909733)*V(G,K)+V(P,K)+(0.7892063672))^1.5 * Rydel model (4 parameters): mean fit error 1.40809 mA * Bp P K I=((0.05376826871m)+(0.0001916648848m)*V(G,K))*uramp((3.320205349)*V(G,K)+V(P,K)+(-4.961600649))^1.5 * Rydel model (5 parameters): mean fit error 0.949805 mA * Bp P K I=((0.05269056657m)+(0.000195164089m)*V(G,K))*uramp((3.212693778)*V(G,K)+V(P,K)+(-13.64600283))^1.5 * V(P,K)/(V(P,K)+(-17.85306702)) * Koren model (4 parameters): mean fit error 0.765307 mA * Bp P K I=(0.04304037475m)*uramp(V(P,K)*ln(1.0+exp((9.74958336)+(9.74958336)*(3.636165291)*V(G,K)/V(P,K)))/(9.74958336))^(1.536396574) * Koren model (5 parameters): mean fit error 0.752094 mA * Bp P K I=(0.04764715494m)*uramp(V(P,K)*ln(1.0+exp((10.09894666)+(10.09894666)*(3.626004154)*V(G,K)/sqrt((-0.5254637603k)+V(P,K)^2)))/(10.09894666))^(1.5153646) * Modified Koren model (6 parameters): mean fit error 0.541812 mA * Bp P K I=(0.04473683053m)*uramp(V(P,K)*ln(1.0+(-0.3996793934)+exp((5.957718469)+(5.957718469)*((3.736828867)+(0.2964601452m)*V(G,K))*V(G,K)/V(P,K)))/(5.957718469))^(1.530637425) * Modified Koren model (8 parameters): mean fit error 0.533436 mA Bp P K I=(0.04693120729m)*uramp(V(P,K)*ln(1.0+(-0.3590534681)+exp((6.201064327)+(6.201064327)*((3.63174052)+(-0.2678404875m)*V(G,K))*V(G,K)/sqrt((-25.01388489)^2+(V(P,K)-(6.51046429))^2)))/(6.201064327))^(1.520587283) .ends 45 * 50 - DH power amplifier low-mu Bp P K I=(m)*uramp(()*V(G,K)+V(P,K))^1.5 (filament: AC/DC 7.5V 1.25A) * From RCA 50 datasheet - traced on 01-12-01 by AF .subckt 50 P G K Cgp G P 7p Ci G K 4p Co P K 3p * Child-Langmuir law: mean fit error 2.57597 mA * Bp P K I=(0.02953183015m)*uramp((3.622926758)*V(G,K)+V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 2.26701 mA * Bp P K I=(0.02723932278m)*uramp((3.676113208)*V(G,K)+V(P,K)+(11.37199277))^1.5 * Rydel model (4 parameters): mean fit error 0.79866 mA * Bp P K I=((0.03077658061m)+(9.17287416e-05m)*V(G,K))*uramp((3.364571432)*V(G,K)+V(P,K)+(-1.585272144))^1.5 * Rydel model (5 parameters): mean fit error 0.761595 mA * Bp P K I=((0.03056549166m)+(9.263730877e-05m)*V(G,K))*uramp((3.327433239)*V(G,K)+V(P,K)+(-5.366670679))^1.5 * V(P,K)/(V(P,K)+(-7.764443588)) * Koren model (4 parameters): mean fit error 1.03026 mA * Bp P K I=(0.04315067608m)*uramp(V(P,K)*ln(1.0+exp((9.04933288)+(9.04933288)*(3.78887048)*V(G,K)/V(P,K)))/(9.04933288))^(1.434301999) * Koren model (5 parameters): mean fit error 0.761577 mA * Bp P K I=(0.03191966534m)*uramp(V(P,K)*ln(1.0+exp((8.240954125)+(8.240954125)*(3.829595595)*V(G,K)/sqrt((4.782076948k)+V(P,K)^2)))/(8.240954125))^(1.490228907) * Modified Koren model (6 parameters): mean fit error 0.539376 mA * Bp P K I=(0.03393501579m)*uramp(V(P,K)*ln(1.0+(-0.238654964)+exp((4.274236575)+(4.274236575)*((3.803270195)+(-2.592842271m)*V(G,K))*V(G,K)/V(P,K)))/(4.274236575))^(1.479018085) * Modified Koren model (8 parameters): mean fit error 0.424834 mA Bp P K I=(0.02985357747m)*uramp(V(P,K)*ln(1.0+(-0.2997477035)+exp((4.332451325)+(4.332451325)*((3.982495368)+(-1.303809951m)*V(G,K))*V(G,K)/sqrt((-24.3339024)^2+(V(P,K)-(-12.06527109))^2)))/(4.332451325))^(1.503124389) .ends 50 * 2A3 - DH power amplifier low-mu Bp P K I=(m)*uramp(()*V(G,K)+V(P,K))^1.5 (filament: AC/DC 2.5V 2.5A) * From Sophia 2A3 curves - traced on 10-09-01 by AF .subckt 2A3 P G K Cgp G P 16.5p Ci G K 7.5p Co P K 5.5p * Child-Langmuir law: mean fit error 5.4779 mA * Bp P K I=(0.1014481419m)*uramp((4.330185327)*V(G,K)+V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 5.29381 mA * Bp P K I=(0.1104144862m)*uramp((4.294063266)*V(G,K)+V(P,K)+(-5.573700046))^1.5 * Rydel model (4 parameters): mean fit error 3.9556 mA * Bp P K I=((0.1196506582m)+(0.0005337659784m)*V(G,K))*uramp((4.077564772)*V(G,K)+V(P,K)+(-9.587763114))^1.5 * Rydel model (5 parameters): mean fit error 2.87659 mA * Bp P K I=((0.1139713983m)+(0.0005468926464m)*V(G,K))*uramp((3.914945352)*V(G,K)+V(P,K)+(-19.45244683))^1.5 * V(P,K)/(V(P,K)+(-22.72617946)) * Koren model (4 parameters): mean fit error 0.873877 mA * Bp P K I=(0.0591080869m)*uramp(V(P,K)*ln(1.0+exp((8.952237131)+(8.952237131)*(4.523407985)*V(G,K)/V(P,K)))/(8.952237131))^(1.627279116) * Koren model (5 parameters): mean fit error 0.873703 mA * Bp P K I=(0.05949627214m)*uramp(V(P,K)*ln(1.0+exp((8.969983959)+(8.969983959)*(4.522539998)*V(G,K)/sqrt((-0.02915120764k)+V(P,K)^2)))/(8.969983959))^(1.625896693) * Modified Koren model (6 parameters): mean fit error 0.749 mA * Bp P K I=(0.05666679887m)*uramp(V(P,K)*ln(1.0+(0.1611200652)+exp((10.11984971)+(10.11984971)*((4.492036542)+(-0.1030774937m)*V(G,K))*V(G,K)/V(P,K)))/(10.11984971))^(1.6358215) * Modified Koren model (8 parameters): mean fit error 0.713565 mA Bp P K I=(0.05983183065m)*uramp(V(P,K)*ln(1.0+(0.1790338397)+exp((10.1638631)+(10.1638631)*((4.378046502)+(-0.8135260573m)*V(G,K))*V(G,K)/sqrt((22.08384793)^2+(V(P,K)-(5.999781127))^2)))/(10.1638631))^(1.624471999) .ends 2A3 * 300B - DH power amplifier low-mu Bp P K I=(m)*uramp(()*V(G,K)+V(P,K))^1.5 (filament: AC/DC 5.0V 1.2A) * From Sophia 300B curves - traced on 10-09-01 by AF .subckt 300B P G K Cgp G P 15p Ci G K 9p Co P K 6p * Child-Langmuir law: mean fit error 6.39896 mA * Bp P K I=(0.1044436209m)*uramp((4.092461262)*V(G,K)+V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 5.66526 mA * Bp P K I=(0.1143278687m)*uramp((4.051435854)*V(G,K)+V(P,K)+(-8.92235139))^1.5 * Rydel model (4 parameters): mean fit error 3.67374 mA * Bp P K I=((0.1254245855m)+(0.000343900845m)*V(G,K))*uramp((3.853709166)*V(G,K)+V(P,K)+(-15.70252275))^1.5 * Rydel model (5 parameters): mean fit error 2.69848 mA * Bp P K I=((0.1212415417m)+(0.000345616879m)*V(G,K))*uramp((3.761246476)*V(G,K)+V(P,K)+(-23.73588675))^1.5 * V(P,K)/(V(P,K)+(-20.91183017)) * Koren model (4 parameters): mean fit error 1.57766 mA * Bp P K I=(0.04481954027m)*uramp(V(P,K)*ln(1.0+exp((11.00451702)+(11.00451702)*(4.140500078)*V(G,K)/V(P,K)))/(11.00451702))^(1.673988977) * Koren model (5 parameters): mean fit error 1.4346 mA * Bp P K I=(0.05159250294m)*uramp(V(P,K)*ln(1.0+exp((11.60829606)+(11.60829606)*(4.127783482)*V(G,K)/sqrt((-1.236414494k)+V(P,K)^2)))/(11.60829606))^(1.64678395) * Modified Koren model (6 parameters): mean fit error 1.53417 mA * Bp P K I=(0.04672648181m)*uramp(V(P,K)*ln(1.0+(0.0602021098)+exp((12.47711818)+(12.47711818)*((4.157711604)+(0.3382891717m)*V(G,K))*V(G,K)/V(P,K)))/(12.47711818))^(1.665915723) * Modified Koren model (8 parameters): mean fit error 1.41064 mA Bp P K I=(0.05143122698m)*uramp(V(P,K)*ln(1.0+(0.01954381618)+exp((11.46252247)+(11.46252247)*((4.054938798)+(-0.3208929613m)*V(G,K))*V(G,K)/sqrt((-6.363874217)^2+(V(P,K)-(6.490912392))^2)))/(11.46252247))^(1.647386773) .ends 300B * 27 - IDH low-mu Bp P K I=(m)*uramp(()*V(G,K)+V(P,K))^1.5 (filament: AC/DC 2.5V 1.75A) * From RCA 27 datasheet - traced on 18-11-01 by AF .subckt 27 P G K Cgp G P 3.3p Ci G K 3.1p Co P K 2.3p * Child-Langmuir law: mean fit error 0.641784 mA * Bp P K I=(0.009720977963m)*uramp((8.893767605)*V(G,K)+V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 0.498764 mA * Bp P K I=(0.008034802046m)*uramp((9.122202111)*V(G,K)+V(P,K)+(15.31450562))^1.5 * Rydel model (4 parameters): mean fit error 0.344966 mA * Bp P K I=((0.009062062115m)+(9.593151153e-05m)*V(G,K))*uramp((8.445105023)*V(G,K)+V(P,K)+(7.862282105))^1.5 * Rydel model (5 parameters): mean fit error 0.305591 mA * Bp P K I=((0.009170390283m)+(0.000102545531m)*V(G,K))*uramp((8.250407356)*V(G,K)+V(P,K)+(1.9339451))^1.5 * V(P,K)/(V(P,K)+(-7.939317963)) * Koren model (4 parameters): mean fit error 0.140298 mA * Bp P K I=(0.03016768317m)*uramp(V(P,K)*ln(1.0+exp((7.464201633)+(7.464201633)*(9.764220632)*V(G,K)/V(P,K)))/(7.464201633))^(1.272660951) * Koren model (5 parameters): mean fit error 0.138604 mA * Bp P K I=(0.02853185142m)*uramp(V(P,K)*ln(1.0+exp((7.319530651)+(7.319530651)*(9.789514922)*V(G,K)/sqrt((0.3019717377k)+V(P,K)^2)))/(7.319530651))^(1.284383928) * Modified Koren model (6 parameters): mean fit error 0.137016 mA * Bp P K I=(0.02965405768m)*uramp(V(P,K)*ln(1.0+(-0.0908329587)+exp((6.39418926)+(6.39418926)*((9.836462599)+(-2.011534327m)*V(G,K))*V(G,K)/V(P,K)))/(6.39418926))^(1.276868276) * Modified Koren model (8 parameters): mean fit error 0.133025 mA Bp P K I=(0.02768047288m)*uramp(V(P,K)*ln(1.0+(-0.1070210796)+exp((6.447302987)+(6.447302987)*((10.07483215)+(3.068480332m)*V(G,K))*V(G,K)/sqrt((1.788334266)^2+(V(P,K)-(-4.26940053))^2)))/(6.447302987))^(1.291347569) .ends 27 * 37 - IDH low-mu Bp P K I=(m)*uramp(()*V(G,K)+V(P,K))^1.5 (filament: AC/DC 6.3V 0.3A) * From RCA 37 datasheet - traced on 01-12-01 by AF .subckt 37 P G K Cgp G P 2.0p Ci G K 3.5p Co P K 2.9p * Child-Langmuir law: mean fit error 0.585876 mA * Bp P K I=(0.009872458817m)*uramp((9.286233472)*V(G,K)+V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 0.440783 mA * Bp P K I=(0.008687597154m)*uramp((9.471939165)*V(G,K)+V(P,K)+(12.70946794))^1.5 * Rydel model (4 parameters): mean fit error 0.221231 mA * Bp P K I=((0.00996758287m)+(0.0001018908431m)*V(G,K))*uramp((8.653746459)*V(G,K)+V(P,K)+(2.29803969))^1.5 * Rydel model (5 parameters): mean fit error 0.17702 mA * Bp P K I=((0.01002558343m)+(0.00011405951m)*V(G,K))*uramp((8.320170382)*V(G,K)+V(P,K)+(-6.4888052))^1.5 * V(P,K)/(V(P,K)+(-13.42270466)) * Koren model (4 parameters): mean fit error 0.156241 mA * Bp P K I=(0.01881020397m)*uramp(V(P,K)*ln(1.0+exp((7.920030305)+(7.920030305)*(9.835624296)*V(G,K)/V(P,K)))/(7.920030305))^(1.377465194) * Koren model (5 parameters): mean fit error 0.149066 mA * Bp P K I=(0.0171046133m)*uramp(V(P,K)*ln(1.0+exp((7.70012996)+(7.70012996)*(9.869585874)*V(G,K)/sqrt((0.7020029975k)+V(P,K)^2)))/(7.70012996))^(1.396515592) * Modified Koren model (6 parameters): mean fit error 0.103688 mA * Bp P K I=(0.01542805975m)*uramp(V(P,K)*ln(1.0+(-0.2246264083)+exp((4.288471017)+(4.288471017)*((9.986507862)+(-17.62539338m)*V(G,K))*V(G,K)/V(P,K)))/(4.288471017))^(1.417986327) * Modified Koren model (8 parameters): mean fit error 0.103545 mA Bp P K I=(0.01528313045m)*uramp(V(P,K)*ln(1.0+(-0.2301803988)+exp((4.272016705)+(4.272016705)*((10.03467655)+(-16.65231144m)*V(G,K))*V(G,K)/sqrt((1.145261203)^2+(V(P,K)-(-0.7789250343))^2)))/(4.272016705))^(1.419927855) .ends 37 * 56 - IDH medium-mu Bp P K I=(m)*uramp(()*V(G,K)+V(P,K))^1.5 (filament: AC/DC 2.5V 1.0A) * From RCA 56 datasheet - traced on 14-09-01 by AF .subckt 56 P G K Cgp G P 3.2p Ci G K 3.2p Co P K 2.2p * Child-Langmuir law: mean fit error 0.880299 mA * Bp P K I=(0.01147686172m)*uramp((14.09568293)*V(G,K)+V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 0.637485 mA * Bp P K I=(0.008536059581m)*uramp((14.5106484)*V(G,K)+V(P,K)+(21.77855292))^1.5 * Rydel model (4 parameters): mean fit error 0.479829 mA * Bp P K I=((0.009855164044m)+(0.0001546210787m)*V(G,K))*uramp((13.54650017)*V(G,K)+V(P,K)+(13.54789475))^1.5 * Rydel model (5 parameters): mean fit error 0.437326 mA * Bp P K I=((0.01036551861m)+(0.0001763592716m)*V(G,K))*uramp((13.16711961)*V(G,K)+V(P,K)+(4.374425386))^1.5 * V(P,K)/(V(P,K)+(-8.566976283)) * Koren model (4 parameters): mean fit error 0.255885 mA * Bp P K I=(0.04716387214m)*uramp(V(P,K)*ln(1.0+exp((7.442280503)+(7.442280503)*(15.75028192)*V(G,K)/V(P,K)))/(7.442280503))^(1.212949784) * Koren model (5 parameters): mean fit error 0.249752 mA * Bp P K I=(0.04092774274m)*uramp(V(P,K)*ln(1.0+exp((7.052450361)+(7.052450361)*(15.88127901)*V(G,K)/sqrt((0.7078311835k)+V(P,K)^2)))/(7.052450361))^(1.244047554) * Modified Koren model (6 parameters): mean fit error 0.15605 mA * Bp P K I=(0.04039922337m)*uramp(V(P,K)*ln(1.0+(-0.2105122874)+exp((3.499534515)+(3.499534515)*((17.20361448)+(-28.66388834m)*V(G,K))*V(G,K)/V(P,K)))/(3.499534515))^(1.249050776) * Modified Koren model (8 parameters): mean fit error 0.116965 mA Bp P K I=(0.03264440142m)*uramp(V(P,K)*ln(1.0+(-0.2318911854)+exp((2.972583084)+(2.972583084)*((17.91653026)+(-23.34529906m)*V(G,K))*V(G,K)/sqrt((-46.76877211)^2+(V(P,K)-(5.01736035))^2)))/(2.972583084))^(1.294432857) .ends 56 * 6BL7 - IDH medium-mu high-transconductance twin Bp P K I=(m)*uramp(()*V(G,K)+V(P,K))^1.5 * From GE 6BL7GTA datasheet - traced on 20-01-04 by AF .subckt 6BL7 P G K Cgp G P 6.0p Ci G K 4.2p Co P K 0.9p * Child-Langmuir law: mean fit error 4.90193 mA * Bp P K I=(0.03214179424m)*uramp((16.18246327)*V(G,K)+V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 4.23987 mA * Bp P K I=(0.02957086028m)*uramp((16.47540351)*V(G,K)+V(P,K)+(17.00925689))^1.5 * Rydel model (4 parameters): mean fit error 2.36439 mA * Bp P K I=((0.03387354124m)+(0.0003932608436m)*V(G,K))*uramp((14.6862858)*V(G,K)+V(P,K)+(-2.934520093))^1.5 * Rydel model (5 parameters): mean fit error 2.09579 mA * Bp P K I=((0.03378309888m)+(0.0004187624296m)*V(G,K))*uramp((14.18041627)*V(G,K)+V(P,K)+(-16.03678567))^1.5 * V(P,K)/(V(P,K)+(-21.87729211)) * Koren model (4 parameters): mean fit error 1.38426 mA * Bp P K I=(0.04759286874m)*uramp(V(P,K)*ln(1.0+exp((6.275654267)+(6.275654267)*(17.38628716)*V(G,K)/V(P,K)))/(6.275654267))^(1.437862743) * Koren model (5 parameters): mean fit error 1.28711 mA * Bp P K I=(0.04279613323m)*uramp(V(P,K)*ln(1.0+exp((6.092998356)+(6.092998356)*(17.50188349)*V(G,K)/sqrt((3.330571869k)+V(P,K)^2)))/(6.092998356))^(1.456528791) * Modified Koren model (6 parameters): mean fit error 1.08488 mA * Bp P K I=(0.04029550051m)*uramp(V(P,K)*ln(1.0+(-0.1851070174)+exp((3.571990133)+(3.571990133)*((17.98831421)+(-34.5475044m)*V(G,K))*V(G,K)/V(P,K)))/(3.571990133))^(1.466606257) * Modified Koren model (8 parameters): mean fit error 1.06607 mA Bp P K I=(0.03856973132m)*uramp(V(P,K)*ln(1.0+(-0.1992938724)+exp((3.801759293)+(3.801759293)*((18.28508246)+(-19.66343793m)*V(G,K))*V(G,K)/sqrt((-3.226832552)^2+(V(P,K)-(-8.297153353))^2)))/(3.801759293))^(1.474813799) .ends 6BL7 * 6BX7 - IDH medium-mu high-transconductance twin Bp P K I=(m)*uramp(()*V(G,K)+V(P,K))^1.5 * From GE 6BX7GT datasheet - traced on 19-01-04 by AF .subckt 6BX7 P G K Cgp G P 4.2p Ci G K 4.4p Co P K 1.1p * Child-Langmuir law: mean fit error 4.83691 mA * Bp P K I=(0.06621649741m)*uramp((9.664779617)*V(G,K)+V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 3.62048 mA * Bp P K I=(0.04843638092m)*uramp((9.827975055)*V(G,K)+V(P,K)+(20.38422984))^1.5 * Rydel model (4 parameters): mean fit error 2.61208 mA * Bp P K I=((0.06022551842m)+(0.0006908716937m)*V(G,K))*uramp((9.067998914)*V(G,K)+V(P,K)+(8.476335571))^1.5 * Rydel model (5 parameters): mean fit error 2.45772 mA * Bp P K I=((0.06197167349m)+(0.0007563334914m)*V(G,K))*uramp((8.90768092)*V(G,K)+V(P,K)+(3.217808591))^1.5 * V(P,K)/(V(P,K)+(-5.933120792)) * Koren model (4 parameters): mean fit error 1.17623 mA * Bp P K I=(0.2062524218m)*uramp(V(P,K)*ln(1.0+exp((7.569453735)+(7.569453735)*(10.68342498)*V(G,K)/V(P,K)))/(7.569453735))^(1.278169464) * Koren model (5 parameters): mean fit error 1.12341 mA * Bp P K I=(0.169930035m)*uramp(V(P,K)*ln(1.0+exp((7.121038018)+(7.121038018)*(10.77805702)*V(G,K)/sqrt((0.790515871k)+V(P,K)^2)))/(7.121038018))^(1.32126984) * Modified Koren model (6 parameters): mean fit error 0.635893 mA * Bp P K I=(0.124585224m)*uramp(V(P,K)*ln(1.0+(-0.08870634088)+exp((3.810692811)+(3.810692811)*((11.34041445)+(-28.275278m)*V(G,K))*V(G,K)/V(P,K)))/(3.810692811))^(1.395733954) * Modified Koren model (8 parameters): mean fit error 0.573819 mA Bp P K I=(0.1001852541m)*uramp(V(P,K)*ln(1.0+(-0.1116255831)+exp((3.282351583)+(3.282351583)*((12.22538987)+(-24.13446294m)*V(G,K))*V(G,K)/sqrt((0.04128697397)^2+(V(P,K)-(-6.806029609))^2)))/(3.282351583))^(1.44441018) .ends 6BX7 * 6DN7 - IDH medium-mu dissimilar twin Bp P K I=(m)*uramp(()*V(G,K)+V(P,K))^1.5 * From Sophia-traced 6DN7 curves - traced on 04-10-01 by AF .subckt 6DN7-1 P G K Cgp G P 4.0p Ci G K 2.2p Co P K 0.7p * Child-Langmuir law: mean fit error 0.736448 mA * Bp P K I=(0.009313345675m)*uramp((20.73448314)*V(G,K)+V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 0.28444 mA * Bp P K I=(0.007758723524m)*uramp((21.32789958)*V(G,K)+V(P,K)+(21.16268685))^1.5 * Rydel model (4 parameters): mean fit error 0.191992 mA * Bp P K I=((0.008482096673m)+(9.418264713e-05m)*V(G,K))*uramp((20.34316289)*V(G,K)+V(P,K)+(13.43551898))^1.5 * Rydel model (5 parameters): mean fit error 0.148506 mA * Bp P K I=((0.008408599174m)+(9.822959857e-05m)*V(G,K))*uramp((19.89107736)*V(G,K)+V(P,K)+(6.83572931))^1.5 * V(P,K)/(V(P,K)+(-11.45324415)) * Koren model (4 parameters): mean fit error 0.130813 mA * Bp P K I=(0.03051840602m)*uramp(V(P,K)*ln(1.0+exp((9.922059769)+(9.922059769)*(21.74926736)*V(G,K)/V(P,K)))/(9.922059769))^(1.270357293) * Koren model (5 parameters): mean fit error 0.114272 mA * Bp P K I=(0.02742689383m)*uramp(V(P,K)*ln(1.0+exp((9.634497364)+(9.634497364)*(21.8040005)*V(G,K)/sqrt((0.916364989k)+V(P,K)^2)))/(9.634497364))^(1.291308183) * Modified Koren model (6 parameters): mean fit error 0.124466 mA * Bp P K I=(0.02880362003m)*uramp(V(P,K)*ln(1.0+(-0.1762703271)+exp((7.790209843)+(7.790209843)*((21.68296583)+(-18.95547799m)*V(G,K))*V(G,K)/V(P,K)))/(7.790209843))^(1.282118978) * Modified Koren model (8 parameters): mean fit error 0.101344 mA Bp P K I=(0.02750475409m)*uramp(V(P,K)*ln(1.0+(-0.2220541487)+exp((6.476133744)+(6.476133744)*((20.79769842)+(-57.47555304m)*V(G,K))*V(G,K)/sqrt((48.78025652)^2+(V(P,K)-(14.11317325))^2)))/(6.476133744))^(1.291448834) .ends 6DN7-1 .subckt 6DN7-2 P G K Cgp G P 5.5p Ci G K 4.6p Co P K 1.0p * Child-Langmuir law: mean fit error 5.02195 mA * Bp P K I=(0.08105738737m)*uramp((16.46122775)*V(G,K)+V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 3.00772 mA * Bp P K I=(0.04960005337m)*uramp((16.98686049)*V(G,K)+V(P,K)+(26.59708561))^1.5 * Rydel model (4 parameters): mean fit error 2.59102 mA * Bp P K I=((0.061277148m)+(0.001343266962m)*V(G,K))*uramp((15.84872196)*V(G,K)+V(P,K)+(17.07919526))^1.5 * Rydel model (5 parameters): mean fit error 1.94184 mA * Bp P K I=((0.06362841347m)+(0.001678225141m)*V(G,K))*uramp((14.85860974)*V(G,K)+V(P,K)+(4.290172453))^1.5 * V(P,K)/(V(P,K)+(-15.37138465)) * Koren model (4 parameters): mean fit error 0.462991 mA * Bp P K I=(0.5165287673m)*uramp(V(P,K)*ln(1.0+exp((6.480983295)+(6.480983295)*(19.15954562)*V(G,K)/V(P,K)))/(6.480983295))^(1.107513472) * Koren model (5 parameters): mean fit error 0.382669 mA * Bp P K I=(0.4150021218m)*uramp(V(P,K)*ln(1.0+exp((5.976480663)+(5.976480663)*(19.45834607)*V(G,K)/sqrt((0.4463045133k)+V(P,K)^2)))/(5.976480663))^(1.161933869) * Modified Koren model (6 parameters): mean fit error 0.403676 mA * Bp P K I=(0.5486639238m)*uramp(V(P,K)*ln(1.0+(-0.03101296468)+exp((6.299199353)+(6.299199353)*((19.34555243)+(9.839817197m)*V(G,K))*V(G,K)/V(P,K)))/(6.299199353))^(1.093583001) * Modified Koren model (8 parameters): mean fit error 0.218544 mA Bp P K I=(0.4296657076m)*uramp(V(P,K)*ln(1.0+(-0.04427954871)+exp((5.572446012)+(5.572446012)*((19.67951777)+(9.426242747m)*V(G,K))*V(G,K)/sqrt((27.29499534)^2+(V(P,K)-(1.761721512))^2)))/(5.572446012))^(1.154878347) .ends 6DN7-2 * 6SL7 - IDH high-mu twin Bp P K I=(m)*uramp(()*V(G,K)+V(P,K))^1.5 * From GE 6SL7GT datasheet - traced on 20-01-04 by AF .subckt 6SL7 P G K Cgp G P 1.5p Ci G K 1.5p Co P K 2.0p * Child-Langmuir law: mean fit error 0.323136 mA * Bp P K I=(0.001715046899m)*uramp((65.0672075)*V(G,K)+V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 0.0402939 mA * Bp P K I=(0.001179886963m)*uramp((75.78788225)*V(G,K)+V(P,K)+(58.23761907))^1.5 * Rydel model (4 parameters): mean fit error 0.0400779 mA * Bp P K I=((0.001188712281m)+(6.685341023e-06m)*V(G,K))*uramp((75.33242354)*V(G,K)+V(P,K)+(57.53457338))^1.5 * Rydel model (5 parameters): mean fit error 0.0352692 mA Bp P K I=((0.001177290191m)+(1.927986288e-06m)*V(G,K))*uramp((76.13966933)*V(G,K)+V(P,K)+(60.05683608))^1.5 * V(P,K)/(V(P,K)+(1.306628854)) * Koren model (4 parameters): mean fit error 0.193031 mA * Bp P K I=(0.04317874318m)*uramp(V(P,K)*ln(1.0+exp((6.329441234)+(6.329441234)*(83.24829749)*V(G,K)/V(P,K)))/(6.329441234))^(0.8922032241) * Koren model (5 parameters): mean fit error 0.0887289 mA * Bp P K I=(0.0194406809m)*uramp(V(P,K)*ln(1.0+exp((7.798679216)+(7.798679216)*(81.02426039)*V(G,K)/sqrt((8.172774927k)+V(P,K)^2)))/(7.798679216))^(1.043060358) * Modified Koren model (6 parameters): mean fit error 0.192112 mA * Bp P K I=(0.03996412954m)*uramp(V(P,K)*ln(1.0+(0.1037658314)+exp((7.700725854)+(7.700725854)*((81.11701603)+(20.86320431m)*V(G,K))*V(G,K)/V(P,K)))/(7.700725854))^(0.9060148885) * Modified Koren model (8 parameters): mean fit error 0.117865 mA * Bp P K I=(0.01380466354m)*uramp(V(P,K)*ln(1.0+(51.81670704)+exp((95.37196964)+(95.37196964)*((73.05738211)+(28.8846982m)*V(G,K))*V(G,K)/sqrt((-102.5665671)^2+(V(P,K)-(13.51097452))^2)))/(95.37196964))^(1.102291568) .ends 6SL7 * 6SN7 - IDH medium-mu twin Bp P K I=(m)*uramp(()*V(G,K)+V(P,K))^1.5 * From GE 6SN7GTB datasheet - traced on 14-09-01 by AF .subckt 6SN7 P G K Cgp G P 4.0p Ci G K 2.6p Co P K 0.7p * Child-Langmuir law: mean fit error 0.756208 mA * Bp P K I=(0.01049693551m)*uramp((19.69945222)*V(G,K)+V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 0.607346 mA * Bp P K I=(0.009286017096m)*uramp((20.25523947)*V(G,K)+V(P,K)+(13.75271723))^1.5 * Rydel model (4 parameters): mean fit error 0.333547 mA * Bp P K I=((0.01054382149m)+(0.000275631263m)*V(G,K))*uramp((18.06265293)*V(G,K)+V(P,K)+(3.423444305))^1.5 * Rydel model (5 parameters): mean fit error 0.274296 mA * Bp P K I=((0.01045376419m)+(0.0002876412084m)*V(G,K))*uramp((17.3521789)*V(G,K)+V(P,K)+(-5.696807927))^1.5 * V(P,K)/(V(P,K)+(-15.65256401)) * Rydel model for grid current: mean fit error 2.8307 mA Bg G K I=(0.2079346639m)*uramp(V(G,K))^1.5 * (((14.97041148)+V(P,K))/((9.844374217)+V(P,K)))^4 * Koren model (4 parameters): mean fit error 0.138316 mA * Bp P K I=(0.02329895037m)*uramp(V(P,K)*ln(1.0+exp((6.862149603)+(6.862149603)*(21.43979512)*V(G,K)/V(P,K)))/(6.862149603))^(1.350781968) * Koren model (5 parameters): mean fit error 0.124864 mA * Bp P K I=(0.02103123648m)*uramp(V(P,K)*ln(1.0+exp((6.702748322)+(6.702748322)*(21.52113397)*V(G,K)/sqrt((0.8456662239k)+V(P,K)^2)))/(6.702748322))^(1.370814971) * Modified Koren model (6 parameters): mean fit error 0.0872917 mA * Bp P K I=(0.02093903748m)*uramp(V(P,K)*ln(1.0+(-0.07330003412)+exp((5.043098725)+(5.043098725)*((21.37943527)+(-71.48405831m)*V(G,K))*V(G,K)/V(P,K)))/(5.043098725))^(1.371720884) * Modified Koren model (8 parameters): mean fit error 0.0848958 mA Bp P K I=(0.02101361337m)*uramp(V(P,K)*ln(1.0+(-0.07065996889)+exp((4.906641927)+(4.906641927)*((21.00937615)+(-88.11984935m)*V(G,K))*V(G,K)/sqrt((26.83919821)^2+(V(P,K)-(5.377562838))^2)))/(4.906641927))^(1.370968473) .ends 6SN7 * 6AS7 - IDH series regulator low-mu twin Bp P K I=(m)*uramp(()*V(G,K)+V(P,K))^1.5 * From GE 6AS7GA datasheet - traced on 10-09-01 by AF .subckt 6AS7 P G K Cgp G P 7.5p Ci G K 6.5p Co P K 2.2p * Child-Langmuir law: mean fit error 21.6868 mA * Bp P K I=(0.402663336m)*uramp((1.804662686)*V(G,K)+V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 16.2717 mA * Bp P K I=(0.2533657313m)*uramp((1.843230502)*V(G,K)+V(P,K)+(19.21744508))^1.5 * Rydel model (4 parameters): mean fit error 15.082 mA * Bp P K I=((0.3090679331m)+(0.0009050955315m)*V(G,K))*uramp((1.728784135)*V(G,K)+V(P,K)+(12.33521475))^1.5 * Rydel model (5 parameters): mean fit error 14.369 mA * Bp P K I=((0.3487077662m)+(0.001254077853m)*V(G,K))*uramp((1.655329226)*V(G,K)+V(P,K)+(3.290834308))^1.5 * V(P,K)/(V(P,K)+(-6.652997701)) * Koren model (4 parameters): mean fit error 3.66727 mA * Bp P K I=(0.9953965215m)*uramp(V(P,K)*ln(1.0+exp((3.225810721)+(3.225810721)*(2.595027001)*V(G,K)/V(P,K)))/(3.225810721))^(1.354589202) * Koren model (5 parameters): mean fit error 3.66415 mA * Bp P K I=(0.9621010761m)*uramp(V(P,K)*ln(1.0+exp((3.175291516)+(3.175291516)*(2.613579395)*V(G,K)/sqrt((0.0494050573k)+V(P,K)^2)))/(3.175291516))^(1.363248898) * Modified Koren model (6 parameters): mean fit error 2.30532 mA * Bp P K I=(0.9707742454m)*uramp(V(P,K)*ln(1.0+(-0.06961328765)+exp((1.848717941)+(1.848717941)*((3.314090038)+(-0.3445338432m)*V(G,K))*V(G,K)/V(P,K)))/(1.848717941))^(1.345035257) * Modified Koren model (8 parameters): mean fit error 1.96771 mA Bp P K I=(0.6967207168m)*uramp(V(P,K)*ln(1.0+(-0.059653607)+exp((1.371974518)+(1.371974518)*((3.917503045)+(-1.187485898m)*V(G,K))*V(G,K)/sqrt((27.63478597)^2+(V(P,K)-(5.280479233))^2)))/(1.371974518))^(1.40468415) .ends 6AS7 * 6080 - IDH series regulator low-mu twin Bp P K I=(m)*uramp(()*V(G,K)+V(P,K))^1.5 * From Philips 6080 datasheet - traced on 04-03-02 by AF .subckt 6080 P G K Cgp G P 8.6p Ci G K 5.5p Co P K 2.5p * Child-Langmuir law: mean fit error 17.4029 mA * Bp P K I=(0.4511678946m)*uramp((1.881487567)*V(G,K)+V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 13.7166 mA * Bp P K I=(0.2705956914m)*uramp((1.940463614)*V(G,K)+V(P,K)+(15.9399452))^1.5 * Rydel model (4 parameters): mean fit error 12.2105 mA * Bp P K I=((0.3281215531m)+(0.001462647564m)*V(G,K))*uramp((1.817447492)*V(G,K)+V(P,K)+(11.12249947))^1.5 * Rydel model (5 parameters): mean fit error 12.0203 mA * Bp P K I=((0.3437816634m)+(0.0015786682m)*V(G,K))*uramp((1.79417463)*V(G,K)+V(P,K)+(8.391868807))^1.5 * V(P,K)/(V(P,K)+(-1.659230267)) * Koren model (4 parameters): mean fit error 3.11112 mA * Bp P K I=(1.413408834m)*uramp(V(P,K)*ln(1.0+exp((4.464860393)+(4.464860393)*(2.442026368)*V(G,K)/V(P,K)))/(4.464860393))^(1.25926922) * Koren model (5 parameters): mean fit error 2.7544 mA * Bp P K I=(1.078890125m)*uramp(V(P,K)*ln(1.0+exp((3.802701697)+(3.802701697)*(2.59993203)*V(G,K)/sqrt((0.4747935108k)+V(P,K)^2)))/(3.802701697))^(1.335024712) * Modified Koren model (6 parameters): mean fit error 2.72037 mA * Bp P K I=(1.437311226m)*uramp(V(P,K)*ln(1.0+(-0.07585991793)+exp((3.375754)+(3.375754)*((2.621169799)+(-0.0283176919m)*V(G,K))*V(G,K)/V(P,K)))/(3.375754))^(1.2537352) * Modified Koren model (8 parameters): mean fit error 1.72968 mA Bp P K I=(1.013415356m)*uramp(V(P,K)*ln(1.0+(-0.1045434407)+exp((2.33820774)+(2.33820774)*((3.093245565)+(0.7741425401m)*V(G,K))*V(G,K)/sqrt((31.33315623)^2+(V(P,K)-(2.56937953))^2)))/(2.33820774))^(1.343720741) .ends 6080 * 6528 - IDH series regulator medium-mu twin Bp P K I=(m)*uramp(()*V(G,K)+V(P,K))^1.5 * From Tung-Sol 6528 datasheet - traced on 16-02-02 by AF .subckt 6528 P G K Cgp G P 23.8p Ci G K 17.8p Co P K 2.9p * Child-Langmuir law: mean fit error 25.0242 mA * Bp P K I=(0.3559772988m)*uramp((7.86659783)*V(G,K)+V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 24.8355 mA * Bp P K I=(0.3244693488m)*uramp((7.936004301)*V(G,K)+V(P,K)+(4.406782236))^1.5 * Rydel model (4 parameters): mean fit error 20.9329 mA * Bp P K I=((0.3525471084m)+(0.005254542469m)*V(G,K))*uramp((7.339848458)*V(G,K)+V(P,K)+(1.392894813))^1.5 * Rydel model (5 parameters): mean fit error 17.7784 mA * Bp P K I=((0.3936510891m)+(0.005748292777m)*V(G,K))*uramp((6.847445611)*V(G,K)+V(P,K)+(-16.43556807))^1.5 * V(P,K)/(V(P,K)+(-20.10214329)) * Koren model (4 parameters): mean fit error 5.80628 mA * Bp P K I=(0.2124272826m)*uramp(V(P,K)*ln(1.0+exp((3.813392191)+(3.813392191)*(9.930011045)*V(G,K)/V(P,K)))/(3.813392191))^(1.642411536) * Koren model (5 parameters): mean fit error 5.37207 mA * Bp P K I=(0.1751892114m)*uramp(V(P,K)*ln(1.0+exp((3.120020249)+(3.120020249)*(10.97189796)*V(G,K)/sqrt((2.007903552k)+V(P,K)^2)))/(3.120020249))^(1.684546085) * Modified Koren model (6 parameters): mean fit error 3.23006 mA * Bp P K I=(0.09784039884m)*uramp(V(P,K)*ln(1.0+(-0.04138702035)+exp((0.8666964893)+(0.8666964893)*((21.77476809)+(-85.47410585m)*V(G,K))*V(G,K)/V(P,K)))/(0.8666964893))^(1.696071534) * Modified Koren model (8 parameters): mean fit error 2.95928 mA Bp P K I=(0.07700487m)*uramp(V(P,K)*ln(1.0+(-0.04391691508)+exp((0.7037640055)+(0.7037640055)*((24.75373624)+(-98.12452432m)*V(G,K))*V(G,K)/sqrt((-55.26509284)^2+(V(P,K)-(16.71401283))^2)))/(0.7037640055))^(1.70779373) .ends 6528 * PCC88 - IDH miniature medium-mu twin Bp P K I=(m)*uramp(()*V(G,K)+V(P,K))^1.5 * From Philips PCC88 datasheet - traced on 24-09-01 by AF .subckt PCC88 P G K Cgp G P 1.4p Ci G K 3.3p Co P K 1.6p * Child-Langmuir law: mean fit error 1.69551 mA * Bp P K I=(0.03666468319m)*uramp((29.24994044)*V(G,K)+V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 0.948385 mA * Bp P K I=(0.02569666615m)*uramp((29.9909129)*V(G,K)+V(P,K)+(17.3943705))^1.5 * Rydel model (4 parameters): mean fit error 0.866886 mA * Bp P K I=((0.02927873676m)+(0.0008128298812m)*V(G,K))*uramp((28.8901194)*V(G,K)+V(P,K)+(12.6554887))^1.5 * Rydel model (5 parameters): mean fit error 0.838772 mA * Bp P K I=((0.02995863202m)+(0.000916420037m)*V(G,K))*uramp((28.57203852)*V(G,K)+V(P,K)+(10.249615))^1.5 * V(P,K)/(V(P,K)+(-2.204021584)) * Koren model (4 parameters): mean fit error 0.582749 mA * Bp P K I=(0.1660663787m)*uramp(V(P,K)*ln(1.0+exp((8.381161958)+(8.381161958)*(32.03096418)*V(G,K)/V(P,K)))/(8.381161958))^(1.166355552) * Koren model (5 parameters): mean fit error 0.565077 mA * Bp P K I=(0.1330045096m)*uramp(V(P,K)*ln(1.0+exp((7.588447977)+(7.588447977)*(32.43519773)*V(G,K)/sqrt((0.3869818744k)+V(P,K)^2)))/(7.588447977))^(1.222177997) * Modified Koren model (6 parameters): mean fit error 0.419095 mA * Bp P K I=(0.2159241934m)*uramp(V(P,K)*ln(1.0+(-0.289697201)+exp((6.540010772)+(6.540010772)*((33.67906766)+(185.4490229m)*V(G,K))*V(G,K)/V(P,K)))/(6.540010772))^(1.106387277) * Modified Koren model (8 parameters): mean fit error 0.273457 mA Bp P K I=(0.1335049812m)*uramp(V(P,K)*ln(1.0+(-0.3367128428)+exp((3.657574105)+(3.657574105)*((35.48852061)+(126.3451973m)*V(G,K))*V(G,K)/sqrt((-39.98678744)^2+(V(P,K)-(7.419251803))^2)))/(3.657574105))^(1.228826256) .ends PCC88 * 5687 - IDH miniature medium-mu twin Bp P K I=(m)*uramp(()*V(G,K)+V(P,K))^1.5 * From Tung-Sol 5687WA datasheet - traced on 15-09-01 by AF .subckt 5687 P G K Cgp G P 4.0p Ci G K 4.0p Co P K 0.6p * Child-Langmuir law: mean fit error 2.104 mA * Bp P K I=(0.04327577438m)*uramp((16.61521213)*V(G,K)+V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 1.5021 mA * Bp P K I=(0.03355310155m)*uramp((17.15282285)*V(G,K)+V(P,K)+(16.49046273))^1.5 * Rydel model (4 parameters): mean fit error 0.932921 mA * Bp P K I=((0.04005525177m)+(0.001114425534m)*V(G,K))*uramp((15.58747031)*V(G,K)+V(P,K)+(7.265250803))^1.5 * Rydel model (5 parameters): mean fit error 0.863277 mA * Bp P K I=((0.04040504528m)+(0.001174916705m)*V(G,K))*uramp((15.26634738)*V(G,K)+V(P,K)+(3.242314597))^1.5 * V(P,K)/(V(P,K)+(-5.594827204)) * Rydel model for grid current: mean fit error 14.5895 mA Bg G K I=(0.3967624571m)*uramp(V(G,K))^1.5 * (((127.3626337)+V(P,K))/((84.22073229)+V(P,K)))^4 * Koren model (4 parameters): mean fit error 0.595054 mA * Bp P K I=(0.1659852355m)*uramp(V(P,K)*ln(1.0+exp((8.449931827)+(8.449931827)*(18.14153541)*V(G,K)/V(P,K)))/(8.449931827))^(1.214651441) * Koren model (5 parameters): mean fit error 0.53199 mA * Bp P K I=(0.1241784372m)*uramp(V(P,K)*ln(1.0+exp((7.828977871)+(7.828977871)*(18.27666881)*V(G,K)/sqrt((0.9705470791k)+V(P,K)^2)))/(7.828977871))^(1.27838055) * Modified Koren model (6 parameters): mean fit error 0.453207 mA * Bp P K I=(0.1271760471m)*uramp(V(P,K)*ln(1.0+(-0.05729528374)+exp((5.50501053)+(5.50501053)*((17.99077916)+(-86.24287683m)*V(G,K))*V(G,K)/V(P,K)))/(5.50501053))^(1.274700703) * Modified Koren model (8 parameters): mean fit error 0.422772 mA Bp P K I=(0.1062048913m)*uramp(V(P,K)*ln(1.0+(-0.08376672351)+exp((5.320950072)+(5.320950072)*((18.71915642)+(-57.02614917m)*V(G,K))*V(G,K)/sqrt((-13.02807802)^2+(V(P,K)-(-5.161266515))^2)))/(5.320950072))^(1.314629816) .ends 5687 * 417A - IDH miniature high-transconductance Bp P K I=(m)*uramp(()*V(G,K)+V(P,K))^1.5 * From WE 417A datasheet - traced on 24-03-02 by AF .subckt 417A P G K Cgp G P 1.8p Ci G K 9.0p Co P K 0.48p * Child-Langmuir law: mean fit error 2.17799 mA * Bp P K I=(0.03793402876m)*uramp((50.08603029)*V(G,K)+V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 0.723738 mA * Bp P K I=(0.04397981622m)*uramp((45.63337697)*V(G,K)+V(P,K)+(-15.08943824))^1.5 * Rydel model (4 parameters): mean fit error 0.717008 mA * Bp P K I=((0.0442370461m)+(0.0004146381933m)*V(G,K))*uramp((45.16152503)*V(G,K)+V(P,K)+(-15.4405886))^1.5 * Rydel model (5 parameters): mean fit error 0.715424 mA Bp P K I=((0.04397804941m)+(0.0004788562076m)*V(G,K))*uramp((44.70378652)*V(G,K)+V(P,K)+(-16.75625382))^1.5 * V(P,K)/(V(P,K)+(-3.201396831)) * Koren model (4 parameters): mean fit error 1.07435 mA * Bp P K I=(0.01256120927m)*uramp(V(P,K)*ln(1.0+exp((708.3123876)+(708.3123876)*(46.33118302)*V(G,K)/V(P,K)))/(708.3123876))^(1.718115738) * Koren model (5 parameters): mean fit error 0.880991 mA * Bp P K I=(0.01469752667m)*uramp(V(P,K)*ln(1.0+exp((687.7300468)+(687.7300468)*(45.33930537)*V(G,K)/sqrt((-1.632604544k)+V(P,K)^2)))/(687.7300468))^(1.687219149) * Modified Koren model (6 parameters): mean fit error 1.07435 mA * Bp P K I=(0.01256113709m)*uramp(V(P,K)*ln(1.0+(0.5998412902)+exp((708.8111811)+(708.8111811)*((46.33113919)+(3.748020064e-05m)*V(G,K))*V(G,K)/V(P,K)))/(708.8111811))^(1.718120685) * Modified Koren model (8 parameters): mean fit error 0.986309 mA * Bp P K I=(0.01238613263m)*uramp(V(P,K)*ln(1.0+(3.093209311)+exp((709.7717887)+(709.7717887)*((43.65843421)+(2.97565015m)*V(G,K))*V(G,K)/sqrt((-18.37155528)^2+(V(P,K)-(10.51398511))^2)))/(709.7717887))^(1.720733143) .ends 417A * 437A - IDH miniature high-transconductance Bp P K I=(m)*uramp(()*V(G,K)+V(P,K))^1.5 * From WE 437A datasheet - traced on 24-03-02 by AF .subckt 437A P G K Cgp G P 3.8p Ci G K 11.1p Co P K 1.0p * Child-Langmuir law: mean fit error 3.16544 mA * Bp P K I=(0.08803578596m)*uramp((46.53586861)*V(G,K)+V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 3.13346 mA * Bp P K I=(0.08984194232m)*uramp((46.41042043)*V(G,K)+V(P,K)+(-1.625595632))^1.5 * Rydel model (4 parameters): mean fit error 2.85294 mA * Bp P K I=((0.09961070341m)+(0.004497964639m)*V(G,K))*uramp((43.21809681)*V(G,K)+V(P,K)+(-8.460821328))^1.5 * Rydel model (5 parameters): mean fit error 2.5059 mA * Bp P K I=((0.1072981442m)+(0.003810318087m)*V(G,K))*uramp((46.45918184)*V(G,K)+V(P,K)+(3.803361558))^1.5 * V(P,K)/(V(P,K)+(35.10094748)) * Koren model (4 parameters): mean fit error 2.82829 mA * Bp P K I=(0.06450876758m)*uramp(V(P,K)*ln(1.0+exp((11.92107695)+(11.92107695)*(46.58588321)*V(G,K)/V(P,K)))/(11.92107695))^(1.566457341) * Koren model (5 parameters): mean fit error 2.46529 mA * Bp P K I=(0.0391526539m)*uramp(V(P,K)*ln(1.0+exp((11.13445084)+(11.13445084)*(47.10181935)*V(G,K)/sqrt((2.879020671k)+V(P,K)^2)))/(11.13445084))^(1.667607418) * Modified Koren model (6 parameters): mean fit error 2.05999 mA * Bp P K I=(0.04248601694m)*uramp(V(P,K)*ln(1.0+(-0.2031315389)+exp((6.39958427)+(6.39958427)*((43.26744987)+(-942.0790694m)*V(G,K))*V(G,K)/V(P,K)))/(6.39958427))^(1.648729764) * Modified Koren model (8 parameters): mean fit error 2.03357 mA Bp P K I=(0.04441361464m)*uramp(V(P,K)*ln(1.0+(-0.08216925584)+exp((6.905076822)+(6.905076822)*((41.36290447)+(-1039.217009m)*V(G,K))*V(G,K)/sqrt((-36.83706712)^2+(V(P,K)-(10.98747878))^2)))/(6.905076822))^(1.639335869) .ends 437A * 6N30P - IDH miniature medium-mu twin Bp P K I=(m)*uramp(()*V(G,K)+V(P,K))^1.5 * From Russian 6N30P-DR datasheet - traced on 01-06-03 by AF .subckt 6N30P P G K Cgp G P 6.0p Ci G K 6.3p Co P K 2.5p * Child-Langmuir law: mean fit error 2.93248 mA * Bp P K I=(0.1123489159m)*uramp((13.36198915)*V(G,K)+V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 1.87276 mA * Bp P K I=(0.0847666581m)*uramp((13.85095034)*V(G,K)+V(P,K)+(11.68305953))^1.5 * Rydel model (4 parameters): mean fit error 1.44731 mA * Bp P K I=((0.09848349384m)+(0.003081759558m)*V(G,K))*uramp((12.70183241)*V(G,K)+V(P,K)+(6.557579467))^1.5 * Rydel model (5 parameters): mean fit error 1.37595 mA * Bp P K I=((0.1001846991m)+(0.003558003103m)*V(G,K))*uramp((12.20966604)*V(G,K)+V(P,K)+(2.264302554))^1.5 * V(P,K)/(V(P,K)+(-5.687380257)) * Koren model (4 parameters): mean fit error 1.21795 mA * Bp P K I=(0.4606164529m)*uramp(V(P,K)*ln(1.0+exp((8.001816511)+(8.001816511)*(14.7053196)*V(G,K)/V(P,K)))/(8.001816511))^(1.165166318) * Koren model (5 parameters): mean fit error 1.18175 mA * Bp P K I=(0.3753493089m)*uramp(V(P,K)*ln(1.0+exp((7.67822196)+(7.67822196)*(14.73390811)*V(G,K)/sqrt((0.2652917492k)+V(P,K)^2)))/(7.67822196))^(1.214591545) * Modified Koren model (6 parameters): mean fit error 1.12223 mA * Bp P K I=(0.3625633946m)*uramp(V(P,K)*ln(1.0+(-0.01211335454)+exp((6.143364596)+(6.143364596)*((14.35328398)+(-77.5206308m)*V(G,K))*V(G,K)/V(P,K)))/(6.143364596))^(1.223500857) * Modified Koren model (8 parameters): mean fit error 1.06688 mA Bp P K I=(0.391133693m)*uramp(V(P,K)*ln(1.0+(-0.0187352739)+exp((5.147858602)+(5.147858602)*((12.74287762)+(-184.3951189m)*V(G,K))*V(G,K)/sqrt((23.72646407)^2+(V(P,K)-(13.80558026))^2)))/(5.147858602))^(1.205889167) .ends 6N30P * 6111 - IDH subminiature medium-mu twin Bp P K I=(m)*uramp(()*V(G,K)+V(P,K))^1.5 * From GE 6111 datasheet - traced on 19-01-04 by AF .subckt 6111 P G K Cgp G P 1.5p Ci G K 1.9p Co P K 0.32p * Child-Langmuir law: mean fit error 0.570519 mA * Bp P K I=(0.01908718637m)*uramp((21.77840583)*V(G,K)+V(P,K))^1.5 * Child-Langmuir law with contact potential: mean fit error 0.569503 mA * Bp P K I=(0.01897024563m)*uramp((21.81496894)*V(G,K)+V(P,K)+(0.525935084))^1.5 * Rydel model (4 parameters): mean fit error 0.366689 mA * Bp P K I=((0.02050919155m)+(0.0006353504024m)*V(G,K))*uramp((19.91608768)*V(G,K)+V(P,K)+(-4.373404525))^1.5 * Rydel model (5 parameters): mean fit error 0.314491 mA * Bp P K I=((0.02009434596m)+(0.0007235330407m)*V(G,K))*uramp((18.63146171)*V(G,K)+V(P,K)+(-13.55754578))^1.5 * V(P,K)/(V(P,K)+(-17.30784689)) * Koren model (4 parameters): mean fit error 0.221206 mA * Bp P K I=(0.01858837283m)*uramp(V(P,K)*ln(1.0+exp((5.822165115)+(5.822165115)*(23.02140803)*V(G,K)/V(P,K)))/(5.822165115))^(1.510437125) * Koren model (5 parameters): mean fit error 0.210771 mA * Bp P K I=(0.02019911437m)*uramp(V(P,K)*ln(1.0+exp((5.916429714)+(5.916429714)*(22.94268137)*V(G,K)/sqrt((-0.4060246234k)+V(P,K)^2)))/(5.916429714))^(1.493495249) * Modified Koren model (6 parameters): mean fit error 0.215405 mA * Bp P K I=(0.01868862055m)*uramp(V(P,K)*ln(1.0+(-0.1929220609)+exp((4.817342844)+(4.817342844)*((23.37640708)+(6.330568821m)*V(G,K))*V(G,K)/V(P,K)))/(4.817342844))^(1.509555458) * Modified Koren model (8 parameters): mean fit error 0.208862 mA Bp P K I=(0.02000086941m)*uramp(V(P,K)*ln(1.0+(-0.1463304601)+exp((5.003505156)+(5.003505156)*((22.88422754)+(-16.27271637m)*V(G,K))*V(G,K)/sqrt((6.420335745)^2+(V(P,K)-(3.377765038))^2)))/(5.003505156))^(1.495649375) .ends 6111 *******************************************************************************