Hello Dave,
Am 08.07.2017 14:09, schrieb David C. Partridge:
4) I'm leery of the chopper amp, did anyone (Dr. Frank?) do a retrofit
using
a modern chopper op-amp or similar?
You may want to have a look at this thread:
https://www.eevblog.com/forum/testgear/fluke-332baf-in-the-slaughterhouse/
http://www.friedrich-messtechnik.de/index.php/bauanleitungen/87-fluke335-332
(sorry, it is German)
I have created some PCBs based on the schematics shown on this website.
If you are interested, I can send you one for the shipping costs.
It is working well in my Fluke 3330B which is using the same design as
the 332.
Regards,
Andreas
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