Lot 1 pcs GS-9B
Generator triode GS-9B for generating high-frequency oscillations of the decimeter range in continuous operation in generators with external feedback.
The design is metal-ceramic, with cylindrical outputs of the cathode, heater and grid.
Cooling — forced air 18 m3/h.
Weight - 330 g.
Technical conditions: СЦ3.323.004 TU.
Main technical parameters of GS-9B:
for Un = 12.6 V, Uа=1.3 kV, Ia=120 mA
Incandescent current
1.1 ±0.1 A
Anode current at the beginning of the characteristic (at Uc= -40 V)
no more than 2 mA
The grid current is reversed
no more than 30 μA
The steepness of the characteristic
19.5 ±4.5 mA/V
Permeability (if Ua changes to 200 V)
0.9 ±0.3%
Grid thermal current
no more than 5 mA
Oscillating power (for Ua = 1.5 kV, Ia = 175 mA):
- for Un = 12.6 V
not less than 40 W
- for Un = 12.3 V
not less than 26 W
Interelectrode capacitances, PF:
- entrance
8.4 ±1.2
- day off
no more than 0.04
- passable
3.15 ±0.35
Durability
not less than 200 hours
Limiting performance characteristics:
Incandescent voltage
11.7 - 13 V
Anode voltage
2.5 kV
Anode voltage in the case of a cold cathode
3 kV
Anode voltage (Instantaneous value)
5 kV
Power dissipated by the anode
300 W
Power dissipated by the grid:
- excluding thermal current
5 W
- in the case of a thermal current of 5 mA
2.2 W
Cathode current (rms value)
0.33 A
Cathode current (constant component) during frequency doubling
0.19 A
Cathode current (instantaneous value in class B mode)
0.7 A
The wavelength is minimal
15 cm
The temperature of the anode radiator
130 S
Cathode output temperature
100 S
Grid output temperature
200 S
Temperature of external ceramic parts
250 S
Resistance in the grid circuit
10 kΩ