21.06.2015 11:56:35   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  : 31.74 (mA)             88 % of nominal 36 (mA)             
Gma : 8.97 (mA/V)            90 % of nominal 10 (mA/V)          Gma = dIa/dVg
Ra  : 55.83 (kohm)           116 % of nominal 48 (kohm)         Ra  = dVa/dIa
mu1 : 501 (-)                >>> % of nominal 21 (-)            mu1 = Gma*Ra
Gm1 : 356 (uA/V)                                                Gm1 = dIa/dVs
 
Is  : 5.07 (mA)              85 % of nominal 6 (mA)              
Gms : 1.37 (mA/V)                                               Gma = dIs/dVg
Rs  : 15.85 (kohm)                                              Rs  = dVs/dIs
mu2 : 22 (-)                                                    mu2 = Gms*Rs
Gm2 : 0 (uA/V)                                                  Gm2 = dIs/dVa