Pulsating Noise While Transmitting

  • 1
  • Problem
  • Updated 5 years ago
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?
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Jerry - W2TXB

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Posted 5 years ago

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Photo of Tim - W4TME

Tim - W4TME, Customer Experience Manager

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Are you directly connecting the mic to the radio or do you have any audio processing gear in between?
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Jerry - W2TXB

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There is an Aphex Exciter in the balanced line. Switching it out of the line did not help.
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Tim - W4TME, Customer Experience Manager

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So am I correct in assuming that this happens every time you start the radio or does it happen every time toy run SmartSDR?
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Jerry - W2TXB

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So far, this is the first time (that I am aware of)... wondering if there is something I have overlooked.
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Tim - W4TME, Customer Experience Manager

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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
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Jerry - W2TXB

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I will watch closely for it to happen again; if/when it does, I will report back.
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Tim - W4TME, Customer Experience Manager

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Thanks!

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