Dual function transistor

Discussion in 'General Electronics Chat' started by boriz, Sep 15, 2009.

  1. boriz

    Thread Starter New Member

    Jul 16, 2009
    48
    0
    Hi.

    Looking for a circuit diagram. It’s an old design for a radio RX front end (AM I think) using only a single transistor on double duty. It Amplifies the RF but also amplifies the audio.

    Better still would be a detailed description of exactly how it works.

    Thanks.
     
  2. studiot

    AAC Fanatic!

    Nov 9, 2007
    5,005
    513
    Look for 'tuned reflex' or TRF
     
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