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1 member, 17 messages added in the last 7 days
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  • Re: Back to Cavity filter trials

    List of problems I encountered in the 60 coaxes I have built. In most to least order.. . Shorting of the top of the hair pin loop to the tubes feed

    spyker49 12 hours ago
  • Re: Back to Cavity filter trials

    Thanks Guys, I will get some photos soon. I shall go ahead and solder the base. Many Thanks Alan

    alan_w_global 22 hours ago
  • Re: PDM-problems

    Hi Wolfgang,Duty cycle is not terribly important. It will never be exactly 50/50. That is why we do the PDM calibration....to compensate for the duty cycle.

    wsprowls 1 day ago
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Group Description

This is a forum for electronic hobbyists and amateur radio experimenters interested in building a Modularized Spectrum Analyzer(MSA). The MSA can function as a Spectrum Analyzer(SA), Vector Network Analyzer(VNA), and other forms of test equipment. Expect most discussions to deal with basic MSA hardware and software, but modifications to both are what make the MSA Project interesting.

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