Not sure where I came up with the UK. RF Microwave is located in Italy and
they have also suspended shipments to the US.
-Scott
On Fri, Aug 29, 2025 at 2:18 PM Scott Armstrong <aa5am.scott@gmail.com>
wrote:
> Looks like RF Microwave out of the UK may have them.
>
>
> https://www.rf-microwave.com/en/mitsubishi/m57762/uhf-power-amplifier-module/m57762/?srsltid=AfmBOor0HoSB0uAvNv0_xs7LJxauxOpSHV8sjUVp08kMZO_Gl1E3YQDZ
>
> ....Now if you could only get a package out of the UK headed to the US.
>
> I went on a search for these a few weeks ago when I was testing an old
> DEMI 1296 amp. Thought that I smoked the modules but luckily turned out to
> be a bad attenuator I was using.
>
> GL
> Scott AA5AM
>
> On Fri, Aug 29, 2025 at 2:05 PM mikflathead--- via VHFcontesting <
> vhfcontesting@contesting.com> wrote:
>
>> Thanks for the heads up on the conversion. Mike
>> On Friday, August 29, 2025 at 02:30:27 PM EDT, <k3sk@buckwalter.co>
>> wrote:
>>
>> Convert it to the RA18H1213G which is a replacement for the obsolete
>> M57762
>> power module. The RA18H1213G requires significantly less drive power (200
>> mW
>> vs 1 watt) and a lower gate voltage (+5VDC at 1 mA vs +9VDC at 500 mA),
>> resulting in a more efficient and simpler hybrid power amplifier design
>> that
>> does not require a heat sink for the control pin or bypass components for
>> the hybrid. There are several sources on the web detailing how to do the
>> conversion.
>>
>> https://www.ahrdf.net/forum/printthread.php?tid=800
>>
>>
>> K3SK
>>
>>
>>
>> -----Original Message-----
>> From: VHFcontesting
>> <vhfcontesting-bounces+k3sk=buckwalter.co@contesting.com> On Behalf Of
>> mikflathead--- via VHFcontesting
>> Sent: Friday, August 29, 2025 2:08 PM
>> To: VHF Contesting <vhfcontesting@contesting.com>
>> Subject: [VHFcontesting] Yaesu FT-736 1296 power amplifier
>>
>> If someone has the final rf amplifier section in a module they don't need
>> please let me know. I have purchased what I had hoped was a good M57762
>> module but got a lemon. Thanks Mike
>> _______________________________________________
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>> VHFcontesting@contesting.com
>> http://lists.contesting.com/mailman/listinfo/vhfcontesting
>>
>>
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>
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