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GMI-27B

GMI -27B impulse modulator tetrode designed for impulse modulators.
Envelope – metal-glass.
Cooling – air-forced:
- anode - 50 m3/h
- pin 20 m3/h
Weight - 650 g

Basic Electrical Parameters:

Filament current

6,25±0,5 A

Anode pulse current

min 20 A

Anode pulse current (at Un=12 V)

max 18 A

Second grid peak current

max 2 A

First grid peak current

min 3 A

First gird negative cutoff voltage

max 500 V

Warm-up time

max 3 min

Interelectrode capacitance, pF:

- input

70±10

- output

13±3

- transfer

max 1

Service life-time

min 1000 h

OperationalLimits:

Filament voltage

12 - 13,8 V

Anode voltage

10 kV

Second grid voltage

1 kV

First grid negative voltage

0,8 kV

Firstgridpeakvoltage

150 V

Anode dissipation

250 W

Second grid dissipation

15 W

First grid dissipation

3 W

Peak cathode current at 1/duty factor up to 500

34 A

Impulse duration

30 us

Tube temperature

150 С

Operating ambient temperature range

from -60 to +85 С

You can order GMI-27B 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