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power supply

  1. R

    Realistic TRC-490 Navaho Power supply issue

    I was talking on the unit the other day and all at once my clearifier was off. I had to move it to the 3pm position to RX/TX on freq. I took the cover off and my power supply is only producing 11v plugged in radio off. 10.5 v radio on RX and 9.8 on w/MOD TX SSB. I do not have a service manual...
  2. guitar_199

    Anybody use switching power supplies?

    I know that I have seen tons of videos where people run their radios from old/used PC server switching power supplies. A lot of people say they don't see a noise problem, some say they do. have any of you used one in radio service and, if so, what was your experience? The reason I am asking...
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