20.06.2015 19:14:43   uTracer3, GUI  V3.11  Pentode Quick Test
 
ECL86 Pentode
 
Test conditions:
Va  : 250 (V)                Swing +/- 25 V (10%)
Vs  : 250 (V)                Swing +/- 25 V (10%)
Vg  : -7 (V)                 Swing +/- 0.7 V (10%)
 
Test results:
Ia  : 23.53 (mA)             65 % of nominal 36 (mA)             
Gma : 8.33 (mA/V)            83 % of nominal 10 (mA/V)          Gma = dIa/dVg
Ra  : 60.02 (kohm)           125 % of nominal 48 (kohm)         Ra  = dVa/dIa
mu1 : 500 (-)                >>> % of nominal 21 (-)            mu1 = Gma*Ra
Gm1 : 309 (uA/V)                                                Gm1 = dIa/dVs
 
Is  : 3.84 (mA)              64 % of nominal 6 (mA)              
Gms : 1.32 (mA/V)                                               Gma = dIs/dVg
Rs  : 18.65 (kohm)                                              Rs  = dVs/dIs
mu2 : 25 (-)                                                    mu2 = Gms*Rs
Gm2 : -2 (uA/V)                                                 Gm2 = dIs/dVa