2m PA Minix HP-80VDX by Corona

Discussion in 'Amateur Radio Amplifiers' started by DJ2MT, Oct 30, 2014.

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  1. DJ2MT

    DJ2MT XML Subscriber QRZ Page

    Hello, I am looking for the schematics of the 2m PA Minix HP-80VDX,made by Corona. Impossible to find with the usual WWW means.Anybody has this and would send it to me?. I have a problem with the Output Power. Power IN: 5W =Power out 35W, looks ok . Power In 10W,= Power Out 40W, no so good. Power In 15W= Power Out 50W , not following the Specs. Power Supply Stiff, Voltage is 13,50V at full Power. The only Tuning Capacitor on the Board does not have any effect on the Output Power.What Bias Current is needed for proper SSB operation?
    Thanks for looking at it.
    73 de DJ2MT Eddy
     
  2. DJ2MT

    DJ2MT XML Subscriber QRZ Page

    I found the schematics for the PA, and the Power is up to near normal output power,means 65W.Some capacitors have to be changed,and the PA adjusted for input SWR.
    How do I close this tread??.
    Eddy
     
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