Duty-Cycle Measurer


Posted on Feb 6, 2013

An Intersil 7101 31/2-digit A/D converter is used to display the duty cycle of a pulse train as a percentage. The frequ


Duty-Cycle Measurer
Click here to download the full size of the above Circuit.

ency range of this circuit is 100 Hz to 250 kHz. The CMOS gates convert the pulse train to constant amplitude. This amplitude is then compared to a reference of 1 V, derived from R3 and R4. PI is for calibration.




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    5W RF power amplifier
    Timer circuit
    NMEA to RS232 Interface Board
    Hall Effect switch
    LEGO robotics
    7-segment display
    Interfacing to Sony Cameras
    High-performance quadrature sine wave type oscillator circuit
    DZW75-48 50 50II high-frequency rectifier circuit
    Discrete components stereo encoder circuit diagram



    Top