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GU-70B

Vacuum tubes

Generating tetrode GU-70B in metal-ceramic casing with oxide cathode of indirect heating and external anode with forced air cooling is designed for SSB signal amplification with output power up to 250V and frequency up to 250 Mhz and output power up to 125V in fixed and mobile wireless devices.

Casing – ceramic metal.

Cooling – air, forced, 45 m3/h.
Weight: 150 g.

Basic technical parameters of GU-70B

Heater current

3,1± 0,5 А

Cathode heating time

Maximum 60 s

Racking power

Minimum 250 W

Interelectrode capacitance

- input

maximum29

- output

maximum7,5

- transfer

maximum0,06

Life cycles

Minimum 1000 h

Operating characteristics of GU-70B

Heater voltage

5,7 - 6,3 V

Anode voltage

2 kV

Anode voltage(peak)

3,5 kV

Voltage cathode – heater

100 V

Cathode current(direct component)

360 mА

Cathode current (peak)

1200 mА

Power dissipated by anode

350 W

Operating frequency

250 MHz

Anode temperature and ceramic-to-metal seal

200 С

Environment operating temperatures interval

from-60 to+50 С

You can order GU-70B 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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