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  1. woddah

    RF Power Transistor Replacement

    Thanks for your response zappedagain. While testing I don't think I will run into thermal trouble as I am testing at room temp and the original box was rated for continuous operation at 70 C, operational use might be a whole new story though. Appologies to, I got the operating frequency range...
  2. woddah

    RF Power Transistor Replacement

    I have a 20W linear RF Power Amplifier using two BLW83 transistors. The amplifier is transformer coupled at input and out and operates from 30 to 88MHz on power supplies ranging from 18 to 30VDC. The BLW83 is no longer available from the original manufacturer and BLW83 devices from other...

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