Products > Test Equipment

HP 8753C sampler replacement

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Bud:
What a fascinating bit of history! Thank Dr. Joel !

W4PJB:
The replacement card showed up this afternoon, and I'm happy to report the 8753C is back up and running! Thank you to everyone on the forum for your replies.

Joel_Dunsmore, I opened up the sampler and did not see anything obviously smoked. I will post some pictures below; two microscope photos, and an iPhone image of the complete unit. Some of the components are downright microscopic. Incredible work Dr. Joel, amazing to think this is early 1980's technology.

Joel_Dunsmore:
Yes. it all looks pretty good.  It might be the bias board that gave up the ghost. The microcircuit looks like everything is in place, no lifted bond wires and the input resistor looks OK. 

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