SPECIFICATION
Filament Heating
UH………………………6.3 V
IH………………………1.27 A
Maximum Ratings
Tetrode config. triodes config.
Plate voltage………………500 ---400 V
Plate dissipation power…… 25 ---25--W
Second grid voltage…………400V
Second grid power dissipation……..35W
Cathode current………………200mA
Heater voltage between cathodes… ±100V
Girst grid resistance
for fix-biasing voltage…………0.1 M
for self-biasing voltage……………0.5 M
Capacitances
Tetrode config. triodes config
Input capacitance…………… 16 -----8.7pF
Output capacitance…………11.5 ----15.8pF
Muller capacitance…………… 1.1 ----7.2pF
DC Parameters
Ua……………………………250 V
Ug2………………………… 250 V
-Ug1………………………… 15 V
Ia…………………………… 85 mA
Ig2………………………… 6.3 mA
Gm…………………………6.3 mA/V
ri……………………………22.5 k
RL……………………………2.2 k
Pout…………………………7.25 W
Dtot………………………… 9.0 %
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