Ferranti Q.F.451 T.R. Cell
Tube Alternat
TR-Zelle
Gas-filled (tritium, 5550 kBq) radio-frequency switching tube used in radar systems to protect
the transmit-receive tube from excessively high power and the receiver from frequencies other than the fundamental.
92 x 41 x 26 mm • 3" 5/8 x 1" 5/8 x 1"
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