PCB for the M57762

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PCB for the M57762

Post by g6hfs » Mon Jun 03, 2024 9:10 am


Looking for a pcb for the older brick amp M57762 5 pin version, any out there.


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Re: PCB for the M57762

Post by M0SKM » Mon Jun 03, 2024 11:25 am

Bert Modderman makes them http://pe1rki.com/amplifiers.html

Scroll down to Powermodule Amplifiers
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Re: PCB for the M57762

Post by g0uhy » Mon Jun 03, 2024 1:56 pm

Hi Brian,

Sam, G4DDK, used to supply a PCB which was designed by GM3SEK. Here's a link to the article.

I hope that helps?


Malcolm G0UHY

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Re: PCB for the M57762

Post by G3GJA » Mon Jun 03, 2024 5:00 pm

Hi Brian & Malcolm

Brian's module is the original Bipolar design which will give 13dB gain and 5W of clean DATV.

The GM3SEK boards are no longer available and are only suitable for the later MOSFET versions as are the Enigma PCBs.

The M57762 needs a 9v bias supply capable of up to 500mA whereas the MOSFET versions have bias supplies typically up to 5v and 1mA.


Clive G3GJA

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