[R-390] MX-2840/URR

[Nick England]

It's an AM detector and audio amp. Not an SSB product detector or BFO.
Nick K4NYW
www.navy-radio.com

On Fri, Apr 20, 2012 at 9:44 AM, Mike Andrews <mikea at mikea.ath.cx> wrote:
> On Fri, Apr 20, 2012 at 09:06:41AM -0400, James A. (Andy) Moorer wrote:
>> Anybody know anything about the the MX-2840/URR?
>> It is supposed to be some kind of detector for the R-390A.
>>
>> There is one on the e-place, auction 290700638971.
>
> 1U high transistorized 455KHz IF (SSB?) to audio described at
> <http://www.r-390a.net/faq-systems.htm> and imaged at
> <http://www.navy-radio.com/rcvr-ssb.htm>.
>
> --
> Mike Andrews, W5EGO
> mikea at mikea.ath.cx
> Tired old sysadmin
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