LNA Problem - Noise Floor High When Cold..
#3
It's possible you may have fried something in the bias circuit as well or if you're lucky just one of the caps in the input circuit to the FET.

If you can fire it up on the bench, use freezer spray to target those components individually to try and pinpoint the faulty one.


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RE: LNA Problem - Noise Floor High When Cold.. - by VK5TM - 12-03-2023, 09:00 AM

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