4x QQE03/12 Double beam tetrode. TESLA

Description

1LOT - 4PCS
QQE03/12
Dual beam tetrode  for operation as a generator or amplifier of high-frequency oscillations in the frequency range up to 250 MHz.
Parameters of  lamp:
(nominal mode)
Filament voltage
6.3 V*
The voltage of the anode
200V
The voltage of the second grid
200V
The bias voltage on the first grid of the first and second tetrodes respectively
- 16V
- 100V
Filament current
800±80mA
Plate current
20±10mA
Second grid current
<6mA
Reverse current of the first grid
<2mca
The steepness of the characteristics
2.45±0.85 mA / V
The output power at the frequency of 200MHz
>11W
Leakage current cathode-heater
<25mka
Input capacitance
5.2..7.8 pF
Output capacitance
2.2..3.2 pF
Passing capacity
<0.1 pF