Low Noise Microphone Preamplifier Circuit

Posted on Feb 6, 2014

The microphone preamplifier circuit design presented in this schematic use SSM2015 produced by Precision Monolithics Inc. (PMI) which offers a high amplification and low noise ( 1. 3nV/ f). Has been designed to work with differential input signals and can deliver 10 to 2000x amplification and it is term of R4 value. For R5 = R6 the amplification

Low Noise Microphone Preamplifier Circuit
Click here to download the full size of the above Circuit.

is A = (20000/R4)+3. 5

Leave Comment

characters left:

Related Circuits

  • New Circuits



    Popular Circuits

    Handy Board Software
    burning hex files using usbasp
    SSB Modulator
    6 Input Mixer PCB
    CMX867A Low Power V.22 Modem
    Storage Battery Exerciser
    mini inverter 10w 30w by transistor d313
    Cat and Dog Repeller
    Microcontroller projects 1
    Pulsed Magnetic Field Therapy (PMFT) Circuit
    Time base using a delay circuit touch lamp
    AD594 to a 597 basic application circuit