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Recent content by PG4I

  1. P

    waveguide power combining, is it possible?

    That's what I am seeing with the Magic Tee: a 3 dB loss when I move away from the coherent frequency! Thanks so far for your comments. Regards, Joop
  2. P

    waveguide power combining, is it possible?

    Yeah I know what you mean... I am trying to have it working at low power and work from there. One signal source is a network analyzer which i have set to a 1 Hz span. The other is a signal generator which has a 1 Hz resolution. I guess even this setup won't work, unless you are lucky (because...
  3. P

    waveguide power combining, is it possible?

    I am looking into combining two 1 kW waveguide magnetrons so the total output power is 2 kW. I have tested a WR340 waveguide splitter to see if I can use it as a combiner. A test with the network analyzer shows good performance as a splitter but a 6 dB loss as a combiner. Coupling to the...
  4. P

    Low Cost VNA re-visited

    There is also the N2PK VNA at https://n2pk.com, several people offer kits for this on the web. It goes up to 60 MHz I believe.
  5. P

    Low Cost VNA re-visited

    Aynone tried **broken link removed** yet? Needs a windows PC to run.
  6. P

    ferrite based power divider

    Okay, I was being premature. When building a power divider, I was thinking of using some kind of transformer with 2 secondary windings. Most ferrites have a limited bandwidth. When looking at the amidon datasheets for example, I would look at ferrite type materials. Material 43 runs from 1-50...
  7. P

    ferrite based power divider

    Your bandwidth of 10-100 MHz can never be reached with ferrites

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