4511B Common-Anode Display Driver Circuit


Posted on Mar 20, 2013

The use of a switching transistor (like a 2N2222 or 2N3904) allows use of the CD4511B with a common-anode display. should be chosen to provide about 1 mA to drive Ql and Rr should provide enough current to drive the display.


4511B Common-Anode Display Driver Circuit
Click here to download the full size of the above Circuit.

For this circuit, the transistor gain (Hfe) should be at least the ratio of the segment drive current to the current through R.




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    Audio 10 LED VU meter
    Guarded input picoammeter circuit
    Audio booster
    Audio Analogue to Digital Converter AD2496
    a simple electrocardiogram board
    emergency light circuit diagram
    Nixie Clock Version 1
    IN4148 Silicon Epitaxial Planar Switching DIODE
    Migrating from x86 to Power PC
    Clap-Controlled Switch
    Quad Power Supply For Hybrid Amplifier
    Radio circuit
    Electric thermos temperature detection control circuit



    Top