27.06.2015 13:08:44 uTracer3, GUI V3.11 Pentode Quick Test PCL84 Pentode Test conditions: Va : 170 (V) Swing +/- 17 V (10%) Vs : 170 (V) Swing +/- 17 V (10%) Vg : -2.1 (V) Swing +/- 0.21 V (10%) Test results: Ia : 19.46 (mA) 108 % of nominal 18 (mA) Gma : 10.43 (mA/V) 95 % of nominal 11 (mA/V) Gma = dIa/dVg Ra : 90.66 (kohm) 60 % of nominal 150 (kohm) Ra = dVa/dIa mu1 : 946 (-) >>> % of nominal 36 (-) mu1 = Gma*Ra Gm1 : 243 (uA/V) Gm1 = dIa/dVs Is : 3.87 (mA) 129 % of nominal 3 (mA) Gms : 1.71 (mA/V) Gma = dIs/dVg Rs : 18.34 (kohm) Rs = dVs/dIs mu2 : 31 (-) mu2 = Gms*Rs Gm2 : -3 (uA/V) Gm2 = dIs/dVa