Virtual Valve Museum

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CV38 S-band magnetron

The magnetron measures 190x75x36mm overall, plus leads, and weighs 600g.

The CV38 was used in the AI Mk VII, the first air interception radar.

The CV64 superseded the CV38 in airborne equipment in 1942.

Heater voltage 6V
Heater current 1.2A
Nominal operating frequency 3297MHz
Max anode dissipation 150W
Typical operating conditions
Peak anode voltage 8kV
Peak anode current 7A
Field strength 1050 gauss
Peak output power 7kW


CV38 inside view


CV38 quarter view