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references on technique of LNA disconnection

references on technique of LNA disconnection

references on technique of LNA disconnection

(OP)
Hello,

I am searching for references (papers, books) about solutions to protect a LNA in receiver from leakage signal from the circulator when in transmit mode (circulator is connected to transmitter, antenna and receiver).

The LNA is behind a switch.

I have read on this site that a solution would be to disconnect the switch from the LNA when transmitting and connect it to a 50 Ohm load.

Can anyone please point me towards a publication that discusses this?

Thank you very much!
 

RE: references on technique of LNA disconnection

Some radars use limiters to perform this function. Any radar handbook would have a section discussing this function.

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