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The HP plugin we just repaired has a magic RF circuit in it: a diode sampler that goes up to 18 GHz. It is well worth playing a little more with it, and understanding how this extraordinary circuit, which is still relevant today, actually works.
Previous video about the HP 5257A 18 GHz transfer oscillator plugin:
• HP 5245L Nixie Counter...
Further documentation on my website: www.curiousmarc.com/instrumen...
Stuff that supports the channel:
- Amazon links for the tools I use in the lab (supports the channel if you buy from there)
www.curiousmarc.com/amazon-links
- Channel merch on Teespring: teespring.com/stores/curiousm...
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Our lovely sponsors
- PCBWay: fast turn PCBs, www.pcbway.com
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- R&D Microwaves: rdmicrowaves.com
Get more technical info on the companion site: www.curiousmarc.com
Contact info: kzbin.infoa...