OK.
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
important.
Cheers.
david
Fess up David. Tell the story.
LOL,
Tom
----- Original Message ----- From: "Burt I. Weiner"
<[email protected]>
To: <[email protected]>
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 <[email protected]>
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.
[email protected]
www.biwa.cc
K6OQK
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