i need you help!

Discussion in 'General Electronics Chat' started by angle xoda, Jun 5, 2008.

  1. angle xoda

    Thread Starter New Member

    May 28, 2008
    3
    0
    I have circuit diagram but i don't know how to operating principle. Please explain to me. Thank you so much!
     
  2. beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
    282
    It's a block diagram of an RF amplifier. It combines the outputs of four power amps into one output.
     
  3. Externet

    AAC Fanatic!

    Nov 29, 2005
    760
    57
    That shows block diagrams, the inputted RF is divided into four signals feeding four separate pairs of Mosfet RF amplifiers and then summed their eight outputs to yield higher power level signal.
    Some protection circuits for overcurrent, SWR and temperature control the SCR in three phases of the mains to protect the amplifiers.
    Miguel
     
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