Generated by Joel Tunnah using Curve Captor v0.9.1
UPDATED 02/07/06
Contents:
6SN7
12AX7
12AU7
12AT7
ECC88
6C4Pi

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6SN7 Spice 3F4 model
from GE 6SN7 datasheet

.subckt 6sn7 P G K
Bp P K I=(0.02003791851m)*uramp(V(P,K)*ln(1.0+(-0.07740549711)+exp((4.618036737)+(4.618036737)*((20.85288965)+(-110.4389272m)*V(G,K))*V(G,K)/sqrt((28.13407639)^2+(V(P,K)-(7.118597372))^2)))/(4.618036737))^(1.380047579)
Cgp G P 4.0pF
Cgk G K 2.6pF
Cpk P K 0.7pF
.ends 6sn7

6SN7 PSpice model
from GE 6SN7 datasheet

.subckt 6sn7 P G K
Gp P K VALUE={(0.02003791851m)*limit(V(P,K)*log(1.0+(-0.07740549711)+exp((4.618036737)+(4.618036737)*((20.85288965)+(-110.4389272m)*V(G,K))*V(G,K)/sqrt((28.13407639)**2+(V(P,K)-(7.118597372))**2)))/(4.618036737),0.0,1.0e16)**(1.380047579)}
Cgp G P 4.0pF
Cgk G K 2.6pF
Cpk P K 0.7pF
.ends 6sn7

6SN7 LTSpice model
from GE 6SN7 datasheet

.subckt 6sn7 P G K
Bp P K  I=(0.02003791851m)*uramp(V(P,K)*ln(1.0+(-0.07740549711)+exp((4.618036737)+(4.618036737)*((20.85288965)+(-110.4389272m)*V(G,K))*V(G,K)/sqrt((28.13407639)**2+(V(P,K)-(7.118597372))**2)))/(4.618036737))**(1.380047579)
Cgp G P 4.0pF
Cgk G K 2.6pF
Cpk P K 0.7pF
.ends 6sn7

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12AX7 Spice 3f4 model
from GE 12AX7A datasheet

.subckt 12ax7 P G K
Bp P K I=((0.001149607902m)+(0.0001063352726m)*V(G,K))*uramp((91.16514401)*V(G,K)+V(P,K)+(52.29904339))^1.5* V(P,K)/(V(P,K)+(2.177964467))
Cgp G P 1.7pF
Cgk G K 1.6pF
Cpk P K 0.46pF
.ends 12ax7

12AX7 PSpice model
from GE 12AX7A datasheet

.subckt 12ax7 P G K
Gp P K VALUE={((0.001149607902m)+(0.0001063352726m)*V(G,K))*limit((91.16514401)*V(G,K)+V(P,K)+(52.29904339),0.0,1.0e16)**1.5 * V(P,K)/(V(P,K)+(2.177964467))}
Cgp G P 1.7pF
Cgk G K 1.6pF
Cpk P K 0.46pF
.ends 12ax7

12AX7 LTSpice model
from GE 12AX7A datasheet

.subckt 12ax7 P G K
Bp P K I=((0.001149607902m)+(0.0001063352726m)*V(G,K))*uramp((91.16514401)*V(G,K)+V(P,K)+(52.29904339))**1.5 * V(P,K)/(V(P,K)+(2.177964467))
Cgp G P 1.7pF
Cgk G K 1.6pF
Cpk P K 0.46pF
.ends 12ax7

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12AU7 Spice 3f4 model
from GE 12AU7A datasheet

.subckt 12au7 P G K
Bp P K I=(0.01701593477m)*uramp(V(P,K)*ln(1.0+(-0.1251806139)+exp((1.234948774)+(1.234948774)*((34.50197863)+(-26.60747394m)*V(G,K))*V(G,K)/sqrt((22.53603268)^2+(V(P,K)-(-4.400778147))^2)))/(1.234948774))^(1.369425091)
Cgp G P 1.5pF
Cgk G K 1.6pF
Cpk P K 0.4pF
.ends 12au7

12AU7 PSpice model
from GE 12AU7A datasheet

.subckt 12au7 P G K
Gp P K VALUE={(0.01701593477m)*limit(V(P,K)*log(1.0+(-0.1251806139)+exp((1.234948774)+(1.234948774)*((34.50197863)+(-26.60747394m)*V(G,K))*V(G,K)/sqrt((22.53603268)**2+(V(P,K)-(-4.400778147))**2)))/(1.234948774),0.0,1.0e16)**(1.369425091)}
Cgp G P 1.5pF
Cgk G K 1.6pF
Cpk P K 0.4pF
.ends 12au7

12AU7 LTSpice model
from GE 12AU7A datasheet

.subckt 12au7 P G K
Bp P K I=(0.01701593477m)*uramp(V(P,K)*ln(1.0+(-0.1251806139)+exp((1.234948774)+(1.234948774)*((34.50197863)+(-26.60747394m)*V(G,K))*V(G,K)/sqrt((22.53603268)**2+(V(P,K)-(-4.400778147))**2)))/(1.234948774))**(1.369425091)
Cgp G P 1.5pF
Cgk G K 1.6pF
Cpk P K 0.4pF
.ends 12au7

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12AT7 Spice 3f4 model
from Mazda 12AT7 datasheet

.subckt 12at7 P G K
Bp P K I=(0.0253900853m)*uramp(V(P,K)*ln(1.0+(-0.002225559277)+exp((2.167148412)+(2.167148412)*((98.41058113)+(-236.6932297m)*V(G,K))*V(G,K)/sqrt((21.28395113)^2+(V(P,K)-(-33.16307233))^2)))/(2.167148412))^(1.238709418)
Cgp G P 1.5pF
Cgk G K 2.2pF
Cpk P K 0.5pF
.ends 12at7

12AT7 PSpice model
from Mazda 12AT7 datasheet

.subckt 12at7 P G K
Gp P K VALUE={(0.0253900853m)*limit(V(P,K)*log(1.0+(-0.002225559277)+exp((2.167148412)+(2.167148412)*((98.41058113)+(-236.6932297m)*V(G,K))*V(G,K)/sqrt((21.28395113)**2+(V(P,K)-(-33.16307233))**2)))/(2.167148412),0.0,1.0e16)**(1.238709418)}
Cgp G P 1.5pF
Cgk G K 2.2pF
Cpk P K 0.5pF
.ends 12at7

12AT7 LTSpice model
from Mazda 12AT7 datasheet

.subckt 12at7 P G K
Bp P K I=(0.0253900853m)*uramp(V(P,K)*ln(1.0+(-0.002225559277)+exp((2.167148412)+(2.167148412)*((98.41058113)+(-236.6932297m)*V(G,K))*V(G,K)/sqrt((21.28395113)**2+(V(P,K)-(-33.16307233))**2)))/(2.167148412))**(1.238709418)
Cgp G P 1.5pF
Cgk G K 2.2pF
Cpk P K 0.5pF
.ends 12at7

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ECC88 Spice 3f4 model
from Raytheon 6922 datasheet

.subckt ecc88 P G K
Bp P K I=(0.06987627466m)*uramp(V(P,K)*ln(1.0+(-0.09315593712)+exp((5.807723862)+(5.807723862)*((29.18392242)+(-191.2885442m)*V(G,K))*V(G,K)/sqrt((51.21619923)^2+(V(P,K)-(25.47300401))^2)))/(5.807723862))^(1.367133435)
Cgp G P 1.4pF
Cgk G K 3.3pF
Cpk P K 1.8pF
.ends ecc88

ECC88 PSpice model
from Raytheon 6922 datasheet

.subckt ecc88 P G K
Gp P K VALUE={(0.06987627466m)*limit(V(P,K)*log(1.0+(-0.09315593712)+exp((5.807723862)+(5.807723862)*((29.18392242)+(-191.2885442m)*V(G,K))*V(G,K)/sqrt((51.21619923)**2+(V(P,K)-(25.47300401))**2)))/(5.807723862),0.0,1.0e16)**(1.367133435)}
Cgp G P 1.4pF
Cgk G K 3.3pF
Cpk P K 1.8pF
.ends ecc88

ECC88 LTSpice model
from Raytheon 6922 datasheet

.subckt ecc88 P G K
Bp P K I=(0.06987627466m)*uramp(V(P,K)*ln(1.0+(-0.09315593712)+exp((5.807723862)+(5.807723862)*((29.18392242)+(-191.2885442m)*V(G,K))*V(G,K)/sqrt((51.21619923)**2+(V(P,K)-(25.47300401))**2)))/(5.807723862))**(1.367133435)
Cgp G P 1.4pF
Cgk G K 3.3pF
Cpk P K 1.8pF
.ends ecc88

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6C4Pi Spice 3F4 model

.subckt 6C4Pi P G K
Bp P K I=(0.0001758166248m)*uramp(V(P,K)*ln(1.0+(-0.7220722037)+exp((0.6554788095)+(0.6554788095)*((66.26150961)+(974.167099m)*V(G,K))*V(G,K)/sqrt((5.485743329e-006)^2+(V(P,K)-(7.161869918))^2)))/(0.6554788095))^(2.474890555)
Cgp G P 0.19pF
Cgk G K 11.7pF
Cpk P K 6.6pF
.ends 6C4Pi

6C4Pi PSpice model

.subckt 6C4Pi P G K
Gp P K VALUE={(0.0001758166248m)*limit(V(P,K)*log(1.0+(-0.7220722037)+exp((0.6554788095)+(0.6554788095)*((66.26150961)+(974.167099m)*V(G,K))*V(G,K)/sqrt((5.485743329e-006)**2+(V(P,K)-(7.161869918))**2)))/(0.6554788095),0.0,1.0e16)**(2.474890555)}
Cgp G P 0.19pF
Cgk G K 11.7pF
Cpk P K 6.6pF
.ends 6C4Pi

6C4Pi LTSpice model

.subckt 6C4Pi P G K
Bp P K I=(0.0001758166248m)*uramp(V(P,K)*ln(1.0+(-0.7220722037)+exp((0.6554788095)+(0.6554788095)*((66.26150961)+(974.167099m)*V(G,K))*V(G,K)/sqrt((5.485743329e-006)**2+(V(P,K)-(7.161869918))**2)))/(0.6554788095))**(2.474890555)
Cgp G P 0.19pF
Cgk G K 11.7pF
Cpk P K 6.6pF
.ends 6C4Pi

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