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  1. duck

    50VDC RF power supply

    No problem, I was only tossing ideas around. The BLF177 is about $200 anyway, and for my first major electronics project I think I'll choose something a little cheaper and easier to power. I'll let you know if I have any more questions. Thanks, very helpful!
  2. duck

    50VDC RF power supply

    I probably agree with you. I have a friend who owns a commerical FM amplifier, though with a different MOSFET. He says at times up to 8 or 9 amps is drawn. Class B operation for the BLF177 gives 70% efficency, about 19-20db gain. LIMITING VALUES In accordance with the Absolute Maximum Rating...
  3. duck

    50VDC RF power supply

    Hi, I'm looking to build a 50VDC power supply to power a 300W Philips BLF278 RF amplifier. I can't seem to find any circuits on the internet which provide the required 50V(ds) ~6A or more to run the thing. Does anyone have any ideas how I would go about modding an existing circuit, can I just...
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