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Good news.
I had rebuild the sampler with standard HSMS-8202 diode pair on FR4 pcb inside to the original case. I had increased the original hole to the diameter 10mm for easily assembling. I can accurately meassure up to 3GHz and the sensitivity in band 500MHz - 3Ghz is better than -30dB...
hp 5342a sampler
Probably, it should be used following chips, but they are hard to get:
MSPD2018-E50SM (**broken link removed**) or MP7x00 (https://www.mpulsemw.com/Sampling_Phase_Detectors.htm)
hp5342a
Hello,
I would like to ask if exist any replacement or "project" for replacing bad input harmonic mixer in old HP microwave counters 534x series.
Thank you, Ivo
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