Operational Amplifier Video Tutorial and super microphone circuit with LM324


Posted on Feb 5, 2014

Afroman goes over the basics of how to use an operational amplifier to amplify tiny voltages, and builds a circuit to listen to very faint sounds with a microphone. For more information about amplifiers, Google inverting amplifier  non-inverting amplifier  instrumentation amplifier  class A amplifier  class B amplifier  class AB amplif


Operational Amplifier Video Tutorial and super microphone circuit with LM324
Click here to download the full size of the above Circuit.

ier  and that should give you a lot to chew on.




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    Discrete component motor direction controller
    DC-DC Convertor
    Loudspeaker Box Amplifier schematic
    Hi-Fi stereo Preamplifier with tone controls
    15W FM RF Amplifier with 2SC2539
    Static Electricity / Negative Ion Detectors
    Superior performance combination of home theater AV circuit
    Chase circuit loop type lights
    Voice-activated light switch delay circuit 1
    A variable frequency oscillating circuit transistor



    Top