The common-mode input voltage is defined as the average of the two input voltages to ground; These equations can be expressed as a simplified block diagram of the amplifier, shown below, for infinite ...

If you’ve ever wondered why an op amp has the little plus and minus symbols on it, its because at the heart of it, the device is a differential amplifier. The problem is that — ideally, at least — it ...

Operational amplifiers are fundamental because they can perform any amplifier function. The op-amp name stems from the days when analog computers reigned supreme and feedback amplifiers performed ...