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How to Design Non Inverting OPAMP Amplifier



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Operational amplifiers are widely used in amplifier circuits in variety of applications. These OPAMPs have very high input impedance and very low output impedance suitable to driver low impedance loads. The can provide large signal gains and wide bandwidth. OPAMPs are used in audio applications like audio power amplifier, audio preamplifier, microphone preamplifier, stereo and mono amplifiers, headphone amplifier, guitar amplifiers, phono amplifiers, 8 ohm speaker driver, instrumentation amplifier, used in medical electronics, used as buffer to drive loads, used in active filter designing, and many more applications.

In this video, I have shown how to design a non-inverting OPAMP amplifier using OPA1656 opamp. The output signal of non-inverting amplifier is in phase with its input signal unlike the inverting amplifier in which input and output signals are 180 degree output phase. Shorting the negative input pin with its output pin makes a "Unity Gain Amplifier" or buffer amplifier. In the next video I will show how to design a inverting amplifier.

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Audio
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