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CW compatible T/R switch

LABSPROJECT
Based on a Labs project | October 2011 | Find it here
CW compatible T/R switch
The use of CW (morse) on a high-power transmitter/receiver presents a serious risk of burned antenna (coax) relay contacts or destruction of a GaAs FET preamplifier. Fortunately, that problem can be overcome quite easily at a very small outlay with the circuit described here.
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