Interfacing to Sony Cameras

Posted on Feb 6, 2014

The Clearcom type intercom bus runs at a significantly lower level than the Sony bus, the signal to the camera operator`s headset must be boosted and the signal from the camera operator`s microphone must be attenuated. To do this a very small circuit board is added to the camera containing this circuitry. The earphone level is boosted wit

Interfacing to Sony Cameras
Click here to download the full size of the above Circuit.

h an LM386 integrated circuit which has a fixed gain of 20 dB. A potentiometer is provided to allow the camera operator to adjust the earphone volume. The rest of the circuit is derived from the manufacturer`s data sheet. Another potentionmeter is provided to attenuate the microphone level. This is an internal screwdriver adjust pot since it is adjusted once at installation and not changed by the camera operator. Also provided is a microphone mute switch.

Leave Comment

characters left:

Related Circuits

  • New Circuits



    Popular Circuits

    VCO with NE567
    Digital lighting controler PIC16F870
    VHF remote control
    dual-trace scope switch
    PIC 16F88 Microcontroller PIC based Tengu
    TDA0161 Metal Detector
    Solid State Switch for magnet DC Generator
    arduino + optotriac based ac dimmer blinking severely
    Connection Tester
    Single-tube constant current charger circuit