EINDBUIS 9P NOVAL OUTPUT PENTODE

R. F. OUTPUT PENTODE
Base: NOVAL
Uf = 6,3 V
If = 0,760 mA
Typical
characteristic:
Ua = 250 V
Ug2 = 250 V
Ug1 = -7,3 V
Ia = 48 mA
Ig2 = 5,5 mA
S = 11,3 mA/V
Ri = 40 kÙ
ìg1/g2 = 19
Class A1 amplifier:
Ua = 250 V
Ug2 = 250 V
Rk = 135 Ù
Ia = 48 mA
Ig2 = 5,5 mA
Ra = 5,2 kÙ
Ug1eff (50mW) = 0,3 V
Ug1eff(N) = 4,3 V
N (10%)1) = 5,7 W
N 2) = 6 W
1) Ug1 fest fixed grid bias
2) Ig1 +0,3 ìA
Limiting values:
Ua = 300 V
Wa = 12 W
Ug2 = 300 V
Wg2 = 2 W
Ug1 = -100 V
Ik = 65 mA
Rg1 = 1 MÙ for automatic bias
Rg1 = 0,3 MÙ for fixed bias
Uk/f = 100 V
Capacitances:
cg/k = 10 pF
ca = 5,1 pF
cg/a = 0,6 pF
cg1f = 0,15 pF