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ID = 30169
Great Britain (UK)
Brand: Marconi's Wireless Telegraph Co. Ltd.
Developer: MO Valve Co. Ltd.; GB 
Tube type:  Triode, vacuum   UHF 
Identical to CV397 = TD04-20 = DET24
Similar Tubes
Normally replaceable-slightly different:
Other class quality (otherwise equal):
Predecessor Tubes VX3058  

Base COAXIAL in general (X..)
Was used by Military and/or Government
Filament Vf 6.3 Volts / If 1 Ampere / Half indirect

UHF planar triode capable of operating up to 2GKz. 400V max anode voltage, 600mA peak current, 20W max anode dissipation, mu 28. As common grid UHF oscillator DET24 can deliver up to 14W at 600MHz, out power decreasing for higher frequencies.

Information source -- Original-techn. papers.   
Babani, International Radio Tube Encyclopaedia   p. 190 & 191
Universal Vade-Mecum, Electron Valves and Semiconductor Devices

rocket_3.png CV397
Emilio Ciardiello

CV397: Manufacturer's Literature
Emilio Ciardiello

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