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GU-73B

Generating tetrode for single-sideband wave amplification with frequencies up to 250 MHz.

Metal-ceramic design with collar electrode terminals.

Forced air cooling 150 m3/h

Mass 2.5 kg

Main parameters

(at filament voltage 26 V, anode voltage 1.7 kV, 1st grid voltage 250 V, anode current 1,5 A)

Filament current, A

4.85±0.25

2nd grid current, not more than, mA

80

1st grid offset voltage (negative), V

28±10

Cutoff voltage (negative) at anode voltage 4 V, anode current 20 mA, not more than, V

120

Transconductance, mA/V

92.5±27.5

1st to 2nd grid gain ratio

5±2

Readiness time, not more than, min

3.5

Oscillating power in AB1 class mode (at anode voltage 3 kV, 2nd grid voldage 300 V), not less than, kW

2.5

Interelectrode capacitance, pF

input

output

input-to-output, not more than

155±15

22.5±3.5

0.2

Lifetime, h

1000

Lifetime oscillating power in AB1 class mode, kW

2

Operational limits

Filament voltage, V

24.7-27.3

Anode voltage, kV

3.2

Peak anode voltage, kV

5.5

2nd grid voltage, V

300

1st grid voltage (negative), V

150

Anode power dissipation, kW

2.5

2nd grid power dissipation, W

35

1st grid power dissipation, W

5

Cathode current (constant component), A

2.2

Operating frequency, MHz

250

Bulb and junction temperature, oC

200

Ambient air temperature, oC

-60..+50

You can order GU-73B from us

Russian Electronics company Russia, Moscow region, Ryazan,Sobornay square 2.

Tel: +7 (491) 227-61-51, Fax: +7 (491) 227-18-88

russian-electronics.com

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