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ID = 32228
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Tube type:  Reflex Klystron   SHF/EHF (>3 GHz) 
  Late but no serial production. For instance only development samples. *****
Identical to VX302

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament Vf 4 Volts / If 1.4 Ampere / Indirect / Parallel / series AC/DC
Description The all-metal VX302 was developed in secret in 1943 at the Clarendon Laboratory and the prototypes manufactured by Marconi. This was the first of the k-band (30 GHz)reflex klystrons.
Up to 20mW of power was developed at a wavelength of 1.25 cm with a 2kV supply and 8 mA anode current.
The mechanical tuning mechanism is complex in this design and is similar to that in the VX5015. 
Information source - - Data from my own collection   
VX302: RFJ
Roy Johnson

VX302: RFJ
Roy Johnson

from Just Qvigstad

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