455 kHz IF WITH AF COMPRESSOR


Posted on Feb 6, 2014

Combination of IF amplifier, audio compressor, tunable audio filter, and audio output system operates from single supply. Compressor and filter each use N5558V dual opamps or equivalent units. Tuning range of filter is about 500 to 2000 Hz. IF input goes directly to pin 2 of LM373H. Use coupling capacitor to prevent shorting pin 2 to ground and dam


455 kHz IF WITH AF COMPRESSOR
Click here to download the full size of the above Circuit.

aging IC. -R. Megirian, Design ldeasfor Miniature Communications Receivers, Ham Radio, April 1976, p 18-25.




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    Simple continuity tester for pcbs
    Hands-off-intercom
    Active Power Factor Correction Circuit
    simple electronic organ
    7812 ic 12 volt 30 amp psu circuit electronic circuit schematic
    Photo relay circuit
    Phase shift and Wiens bridge oscillator
    Board making technique
    Vibration burglar alarm circuit
    Triac dimming circuit diagram
    Wide-band high-frequency electric field strength meter schematic



    Top