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Pulsating Noise While Transmitting

Jerry W2TXB
Jerry W2TXB Member ✭✭
edited March 2017 in SmartSDR for Windows
I was informed of (and noticed while monitoring) a sort of pulsating noise when PTT is engaged; this is with the Balanced mic input selected. I switched to the Heil headset and the Mic input, and the noise went away. Then, I switched back to the PR781 and Balanced input, and there was no noise. Seems like just switching between the two and back again fixed the problem. Is there something else I should look for with this?

Answers

  • Tim - W4TME
    Tim - W4TME Administrator, FlexRadio Employee admin
    edited March 2017
    Are you directly connecting the mic to the radio or do you have any audio processing gear in between?
  • Jerry W2TXB
    Jerry W2TXB Member ✭✭
    edited February 2017
    There is an Aphex Exciter in the balanced line. Switching it out of the line did not help.
  • Tim - W4TME
    Tim - W4TME Administrator, FlexRadio Employee admin
    edited March 2017
    So am I correct in assuming that this happens every time you start the radio or does it happen every time toy run SmartSDR?
  • Jerry W2TXB
    Jerry W2TXB Member ✭✭
    edited February 2017
    So far, this is the first time (that I am aware of)... wondering if there is something I have overlooked.
  • Tim - W4TME
    Tim - W4TME Administrator, FlexRadio Employee admin
    edited March 2017
    It may be just an issue where the radio needed a "state" change to clear it up. If you can reproduce it, I would love to know the steps to do so
  • Jerry W2TXB
    Jerry W2TXB Member ✭✭
    edited February 2017
    I will watch closely for it to happen again; if/when it does, I will report back.
  • Tim - W4TME
    Tim - W4TME Administrator, FlexRadio Employee admin
    edited March 2017
    Thanks!
  • John Orjias
    John Orjias Member ✭✭

    any idea of what is causing this, i have been away from the radio for 2 months and just started using mine again and now 2 days in. a row this has started and i have to restart the radio to clear it up. it was never an issue before

  • John Orjias
    John Orjias Member ✭✭

    another thing i notice is since getting back online i'm having dhcp issues (which i recognize that issue) the radio shows no pans on the 6600M screen, is there any chance that somehow a dhcp issue would allow pans to still work but transmit to pulse? i don't see how, if the ip changes the front panel of the radio show loses access to everything, i only mention it because i know i have some weird new network issue i have to work out. Could that network issue cause this?


    Im trying to transmit from the microphone directly connected to the radio, however if i switch to any other input, i don't hear the pulsing like i do on the mic input, i do however here a very quite ticking sound from the speaker when i press mox, so i think its happening in all transmit modes. I should test tuning next time i see it happen.

  • John Orjias
    John Orjias Member ✭✭

    So i discovered that the mic would also just quit working, i would change profiles between default, FHM3 and FHM3FD sometimes it would start working sometimes not, until that would not even work, i cleared data and now its working, you really need to resolve the persistent data issue

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