Easy to follow and comprehensive video of the circuit operation and design of a inverting op amp circuit: operational amplifier circuit gain; resistor value calculation, input impedance, power supplies . . . all you need to know.
In this video we look at the inverting operational amplifier circuit. Description of how the circuit works is provided along with details of the components needed.
The advantages and disadvantages of the inverting op amp circuit are discussed: its input impedance, output impedance and mention is made of the virtual earth point in the circuit.
The formula of equation for gain is given along with a worked example of calculating the non-inverting circuit gain.
Circuits are given for the inverting operational amplifier using positive and negative supplies, i.e. differential supplies as well as from a single ended supply, i.e. a single supply against ground.
Finally some useful practical hints and tips are given gained from practical experience as a design engineer.
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