[time-nuts] Embarrassing stuff...

David Hooke dhooke at gmail.com
Thu May 16 06:10:11 EDT 2013


This MV89 is mounted on a PCB with SMA connectors for the EFC, REF and 
10MHz. I connected the EFC from the TB to the REF out of the oscillator, 
not for very long, and things haven't been quite right since then.

I should not play in the workshop after drinking wine with dinner!

It'll be interesting to see how Trimble designed the DAC. There doesn't 
seem to be much more than a 4V reference, a quad opamp and a bunch of 
RCs. I guess that as long as it's monotonic, accuracy is not overly 



> Fess up David. Tell the story.
> LOL,
> Tom
> ----- Original Message ----- From: "Burt I. Weiner" 
> <biwa-fOdFMYwuEsI at public.gmane.org>
> To: <time-nuts-JSkTLETqlTM at public.gmane.org>
> Sent: Wednesday, May 15, 2013 11:54 AM
> Subject: [time-nuts] Embarrassing stuff...
> David,
> I'm sure it's nothing compared to what I did many years ago to my
> Singer FM-10C Synthesizer.  You tell us your story and I'll tell you
> mine.  You're among friends.  Every time my life flashes before my
> eyes it's mostly embarrassing stuff.
> Burt, K6OQK
>> From: David Hooke <dhooke-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org>
>> Subject: Re: [time-nuts] three cornered comparison tools
>> Hi All,
>> I've managed to blow up the DAC output on my TBOLT; it now has about
>> 0.5V 42kHz ripple on it. I think I know how I did this, but it's too
>> embarrassing to share in public.
> Burt I. Weiner Associates
> Broadcast Technical Services
> Glendale, California  U.S.A.
> biwa-fOdFMYwuEsI at public.gmane.org
> www.biwa.cc
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