[time-nuts] HP-3586B SSB L.O. Mods...

Burt I. Weiner biwa at att.net
Mon Mar 21 21:29:54 UTC 2011


Bert,

This looks very interesting.  Have you been able to determine the 
actual error between the receiver's "tuned to" frequency and the 
1850.000.00 Hz audio tone error out of the receivers audio for upper 
and lower SSB?  This could make a good group project kit.

Burt, K6OQK


>Date: Mon, 21 Mar 2011 10:11:04 -0700 (PDT)
>From: "Bert, VE2ZAZ" <ve2zaz at yahoo.ca>
>To: time-nuts at febo.com
>Subject: Re: [time-nuts] HP 3586A/B/C entirely referenced to 10MHz: A
>         solution
>Message-ID: <258386.19056.qm at web112008.mail.gq1.yahoo.com>
>Content-Type: text/plain; charset=us-ascii
>
>Hello Everyone,
>
>I have spent the last few weeks modifying the HP 3586 Selective 
>Level Meter. The
>intent was to modify the unit and reference the SSB product detector stage to
>the internal reference. This would make the entire SLM locked to the 10MHz
>reference, whether internal or externally fed.
>
>I have completed the modification with satisfactory results. I use a 
>DDS-Based
>Function Generator 16-pin IC and a small 8-pin PIC micro.  For more detail,
>visit my website at http://ve2zaz.net/HP3586_AD5962/HP3586_AD5962.htm .
>
>This has been a very good exercise from a DDS perspective and I have 
>learned a
>lot on the topic. I would be interested in hearing from those who 
>proceed with
>the mod.
>
>Thanks,
>
>Bert, VE2ZAZ

Burt I. Weiner Associates
Broadcast Technical Services
Glendale, California  U.S.A.
biwa at att.net
www.biwa.cc
K6OQK 





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