Current amplifier and buffers. Buffer amplifier. Buffer amplifier is a circuit which transforms electrical impedance from one circuit to another. The main purpose of a buffer is to…
Transimpedance amplifier / current to voltage converter. The transimpedance amplifier is a circuit that converts current to a proportional voltage. It is also termed as current to voltage…
Differential amplifier In this post, differential amplifier using BJT and differential amplifier using op-amps are explained in detail. Please go through both of them to get a better…
Voltage comparator circuit. Voltage comparator is a circuit which compares two voltages and switches the output to either high or low state depending upon which voltage is higher.…
Summing amplifier using opamp. Summing amplifier is a type operational amplifier circuit which can be used to sum signals. The sum of the input signal is amplified by…
Instrumentation amplifier using opamp Instrumentation amplifier is a kind of differential amplifier with additional input buffer stages. The addition of input buffer stages makes it easy to match…
Opamp inverting amplifier. An inverting amplifier using opamp is a type of amplifier using opamp where the output waveform will be phase opposite to the input waveform. The…
Integrator circuit. An integrator circuit is a circuit in which the input waveform. An integrator circuit based on opamp is shown in fig1. Such a circuit is also…
Sample and hold circuit using op-amp As the name indicates , a sample and hold circuit is a circuit which samples an input signal and holds onto its…
Description. A Schmitt trigger circuit shows two distinct signal input levels for turning the circuit ON and OFF. The difference between the Von and Voff voltages called hysteresis…
Description. Apart from the timing functions ,the two comparators of the 555 timer can be used independently for other applications.One example is a Schmitt Trigger shown here. The…
