02.12.2015 16:44:46 uTracer3, GUI V3.11 Pentode Quick Test 6SJ7 #300 Test conditions: Va : 250 (V) Swing +/- 25 V (10%) Vs : 100 (V) Swing +/- 10 V (10%) Vg : -3 (V) Swing +/- 0.3 V (10%) Test results: Ia : 2.41 (mA) 80 % of nominal 3 (mA) Gma : 1.44 (mA/V) 58 % of nominal 2.5 (mA/V) Gma = dIa/dVg Ra : > 1M (kohm) --- % of nominal 7.6 (kohm) Ra = dVa/dIa mu1 : N.A. (-) mu1 = Gma*Ra Gm1 : 75 (uA/V) Gm1 = dIa/dVs Is : 0.6 (mA) 76 % of nominal 0.8 (mA) Gms : 369 (uA/V) Gma = dIs/dVg Rs : 49.95 (kohm) Rs = dVs/dIs mu2 : 18 (-) mu2 = Gms*Rs Gm2 : 0 (uA/V) Gm2 = dIs/dVa