DET12 4304CB MOV VALVE, 1939
The Marconi Osram Valve Company developed the DET12 in 1939 a Triode of up to 50 Watts for Microwave frequencies in pulsed Radar down to 1 metre, an unusual valve as both the grid and anode is taken out from the top wires.
Add a memory or information about this object
It also found favour in early developments of VHF wireless transmitters for police use.
Sergeant Octaloni of the Manchester Police was a regular visitor to the MOV Factory on this project in the years before the Second World War.
The valve was used as the transmitter in the base station.
A pair of prototypes were used in the A1 Radar transmitter developed at Bawdsey Manor, and the T1131 Ground to Air Transmitter.