|RCA 446A Lighthouse Triode Tube
|Written by AnubisTTP on 2006-10-11
This strange looking tube is a 446A lighthouse triode, called such due to it's unusually shaped envelope. This high-frequency tube is designed to be mounted in an external cavity, which would separate the input and output sides of the device. The two glass chambers on the top of the 446A are separated by a thin screen which acts as the grid. The 446A was originally intended for use as an amplifier in radar receivers.
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RCA 446A Transmitting triode tube.
The 446A is designed to be mounted in a co-axial cavity.