HP 8664A 3GHz Synthesized Signal Generator Repair – Part 3

curiousmarc u82c25

CuriousMarcWe wrestle with the Output Amp board, reverse engineer it, and make some actual progress. Stuff that supports the channel: – Support us on Patreon: https://www.patreon.com/curiousmarc – Amazon links for the tools I use in the lab: https://www.curiousmarc.com/amazon-links – Channel merch on Fourthwall: https://curiousmarc-shop.fourthwall.com – Legacy channel merch on Teespring …

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From: Retro Roundup