Automatic Tr Switch Circuit


Posted on Dec 14, 2012    10631

A pair of diodes and a quarter-wave transmission line are used as an automatic TR switch. D1 and D2 conduct during transmit periods, short- circuiting the scanner input. In this mode,-the K-wave line appears as an open circuit.


Automatic Tr Switch Circuit
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In receive, the circuit acts as a Wilkinson power divider.




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