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Designing a Pre-Amplifier using LM358 - 9/9

    https://www.engineersgarage.com/designing-a-pre-amplifier-using-lm358-9-9/
    The LM358 is a low power dual operational amplifier. As the pre amp is just to provide the gain and filtering so the IC is not capable of providing higher currents. The input signal from electret MIC ranges from 1 mV to 10 mV …

Simple Mic PreAmp Circuits based LM358 - CircuitsZone.com

    https://circuitszone.com/simple-mic-preamp-circuits-based-lm358/
    This mic preamp circuits based LM358 is very easy to build, and can operate with 9VDC battery, so that it becomes a practical preamp circuit and …

Simple Mic Pre-Amp based LM358 - Schematic Design

    https://circuitdiagram.net/simple-mic-pre-amp-based-lm358.html
    The LM358 has dual op-amp module, you may build stereo audio pre-amp using single LM358. These devices consist of two independent, high-gain frequency …

Audio Preamp and Amplifier Circuit Using LM358 - YouTube

    https://www.youtube.com/watch?v=8rWWRiyOQUQ
    I built a preamp and amplifier using the LM358 operational amplifier chips. The analog output signal is converted into digital signal by the PIC18F4550 micro...

Stereo pre-amp lm358 Signal Amplification | LM358 Hi-Fi ...

    https://etubeindia.blogspot.com/2020/02/stereo-pre-amp-lm358-signal.html
    It is a dual operational amplifier. LM358 is cheaply and easily available around the local markets. Input is applied on the inverting pins of Lm358 via coupling capacitor C1 & C2 and Resistor R1 & R2. R3 and R4 are feedback resistors. Output is drawn via decoupling capacitors C3 & C4. The gain of the amplifier is given by Gain= R3/R1 For channel 1

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