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Author Topic: Help with HP 3455 reference module schematic  (Read 1785 times)

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Offline TallieTopic starter

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Help with HP 3455 reference module schematic
« on: March 24, 2016, 12:40:03 am »
I recently purchased an HP 3455 voltage/resistance reference module... 3455-66511. It's the A model... 11177A-3165. I need help getting the 10v reference out of it... Where do I apply power, how much power do I apply, and where do I sense? A schematic would help. Thanks in advance!
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Offline barnacle2k

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Re: Help with HP 3455 reference module schematic
« Reply #1 on: March 24, 2016, 02:12:50 am »
there is a thread for that:
https://www.eevblog.com/forum/testgear/teardown-hp-3455a-reference-module-11177b-01723/

Be very careful to connect the grounds correctly in order to NOT blow up the LM399.
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