[Hackrf-dev] Hackrf with an External Amplifier

[Primesh Pinto]

Hi All,

I recently plugged in an home made RF Amplifier based on M57732 /discone
antenna.

https://twitter.com/primeshpinto/status/637957899944202240

It was very successful as I was able to even contact the local repeater
though this. But unfortunately later I figured out most likely the RF
amplifier on the HackRF failed within this process. Now when I enable RF
gain to 14dB the output signal become very weak. Anything which can impact
MGA81563 to fail when I connect an external amp for transmission? Also I
want to know if I have to replace U25 or U13 MGA81563?

Primesh
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