Marconi 2022c OM345 Replacement Module
An update
the pcb boards are here with all the other components
built 8 and fitted to Marconi 2022c (one at a time the retested instrument)
OM360 (24dbm) is still oiginal and has not be replaced
unit now soak testing
cailbration to follow (just amplitude eerom values)
at the moment none of the amplitude values are >0.5dbm in error from 10Khz to 1Ghz
next step to offer samples for free for some one to try out on a
1. marconi 2022
2. marconi 2995
3. marconi 2018 and 2019
see attached picture showing marconi AB1/2 Board populated with OM345 replacents
regards
john davis (uk)
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