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| HP 5386A frequency counter teardown |
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| 0culus:
Really nice and clean too! Good catch! :-+ I have a 5335A with the OXCO option (and I think pretty much every other option as well; even the DC voltmeter option) that sits on top of my 5350B microwave counter, and provides the timebase for it. I recently also replaced my shitty Chinese DDS with a 3325B from the same seller I got the counters from, which also has an OCXO, but it doesn't have an internal connection to it, so I have a jumper. |
| Jwalling:
Seeing as how this is a teardown thread, here's some pictures of the 3GHz prescaler. |
| rhb:
Curiously, all my HP gear has the OXCO option except my Keysight 33622A. But I plan to connect everything to a GPSDO, so I don't think it matters much. Even without the OXCO the 33622A is very stable. But I haven't put together a test and verification plan for my bench yet. |
| Radiorandy:
I've been trying to find the guy in Poland that has the Option 4 clone OXCO. Doesn't show up on Ebay. Anyone have a link or contact info? Thanks Randy |
| wkb:
--- Quote from: Jwalling on December 15, 2018, 12:29:18 pm ---Seeing as how this is a teardown thread, here's some pictures of the 3GHz prescaler. --- End quote --- Page 63 shows a picture of one of the GaAs chips used on the hybrid. http://roryvantuyl.com/PDFs/The%20Early%20Days%20of%20GaAs%20ICs.pdf Wilko |
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