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3-500Z Damage from VHF Parasitic Oscillation

Discussion in 'Amateur Radio Amplifiers' started by AG6K, Dec 29, 2011.

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  1. AG6K

    AG6K QRZ Member QRZ Page

    From September,1990, QST Magazine, page 15.
    3-500.f-g.short.JPG

    • Rich, ag6k
     
  2. AF6LJ

    AF6LJ Ham Member QRZ Page

    As I look at this picture it appears to me ether the grid structure or the filament is misaligned.
    Just my two cents.

    [​IMG]
     
  3. AE1PT

    AE1PT Ham Member QRZ Page

    Give it a rest, Rich...
     
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