[R-1051] FIXED: Low output from 500cps synth

[David Wise]

I hope my posts help some other guy fix his.  Or at least
enlighten and entertain.  These are complex and we need all
the understanding we can collectively muster.

Dave 

>-----Original Message-----
>From: r-1051-bounces at mailman.qth.net 
>[mailto:r-1051-bounces at mailman.qth.net] On Behalf Of Al Parker
>Sent: Monday, August 27, 2012 12:51 PM
>To: R-1051 Discussion Group
>Subject: Re: [R-1051] FIXED: Low output from 500cps synth
>
>Nice analysis, Dave.
>(I still haven't gotten a round tuit on the website)
>73,
>
>Al, W8UT
>www.boatanchors.org
>www.hammarlund.info
>
>"There is nothing -- absolutely nothing -- half so much
>worth doing as simply messing about in boats"
>Ratty, to Mole
>
>On 8/27/2012 3:24 PM, David Wise wrote:
>> The output of the R-1051 plain's 500cps synthesizer is a CW 
>signal at approximately 7.1MHz .
>> The exact frequency represents the error in the 1-and-10KHz 
>crystals, plus the
>> 000/500/Vernier setting.  A mixer combines the 1-and-10 
>module's ~7.089MHz
>> error output with a locally-generated signal in the 11-12kHz 
>range which is
>> the 500cps module's VCO divided by 10.)  The result goes 
>through a narrow
>> 7.1MHz crystal filter, and is then amplified and sent on its 
>way to the 100kHz
>> module where it becomes part of the second RF Translator 
>injection signal.
>
>> snip
>___________