Sorry if this is a duplicate.
Looking at the schematic, it appears the HackRF uses a MGA-81563 for the LNA and PA. As these appear to be EOL, and there appear to be many complaints about the RX performance of the HackRF, has anyone replaced these with something better? While I haven't yet looked closely at datasheets to check compatibility and pinout, looking through Digikey there appears to be a number of possibilities. Might it be possible to fit in a PSA4-5043+ in place of the MGA-81563?
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