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Automatic Tr Switch Circuit

2015-09-18 14:04  
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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

In receive, the circuit acts as a Wilkinson power divider.

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