-40%
Tube GU-70B, ГУ-70Б, 4CX250B 7203 RE025XA QRO HF VHF UHF GU70B x 1pc.
$ 31.15
- Description
- Size Guide
Description
GU-70BSVETLANA TETRODE TUBES
Gu-70B,
ГУ-70Б
equivalent of
4CX250
NOS - "New-Old-Stock".
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.
Name
GU70B
Type
tetrode
Cathode type
oxide,indirect heating
Application field
linear power amplification up to 500MHz
Brief application
amplification
Envelope
metall-ceramic
Cooling method
forced air
Dimensions
64mmx41.5mm
Mass
150 g
Filament voltage
6 V
Filament current
3.1 - 3.7 A
Mutual conductance
14 to 28 mA/V
Gain coefficient
9 to 18
Output power
0.35 kW
Maximum anode voltage
2kV
Maximum operating frequency
500MHz