*
* typical usage in simulation file:  Xname Ni1 Ni2 No RCA_5V4GA
*
* 	models are exponentially interpolated from bench measurements 
* 	R1 and R2 terms are dummy resistors inserted to provide DC 
* 	continuity when simulator is starting up 
*



********************* + + -
.subckt Hitachi_5Y3GT 1 2 3
*********************
g1  1 3 value={0.0025*exp(v(1,3)/7.1733)}
r1  1 3 1G
g2  2 3 value={0.0025*exp(v(2,3)/7.1733)}
r2  2 3 1G
.ends



***************** + + -
.subckt RCA_5V4GA 1 2 3
*********************
g1  1 3 value={0.0184*exp(v(1,3)/6.0922)}
r1  1 3 1G
g2  2 3 value={0.0184*exp(v(2,3)/6.0922)}
r2  2 3 1G
.ends



********************** + + -
.subckt Sylvania_5U4GA 1 2 3
*********************
g1  1 3 value={0.0287*exp(v(1,3)/5.2515)}
r1  1 3 1G
g2  2 3 value={0.0287*exp(v(2,3)/5.2515)}
r2  2 3 1G
.ends




*********************** + + -
.subckt Telefunken_5AR4 1 2 3
***********************
g1  1 3 value={0.0398*exp(v(1,3)/4.9762)}
r1  1 3 1G
g2  2 3 value={0.0398*exp(v(2,3)/4.9762)}
r2  2 3 1G
.ends


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