This circuit was found in a Texas Instruments handbook about operational amplifier. It has a very high input impedance and must be powered from a dual supply. The input impedance is given by a voltage foolower and can reach many gigaohm.
This circuit was found in a Texas Instruments handbook about operational amplifier. It has a very high input impedance and must be powered from a dual supply. The input impedance is given by a voltage foolower and can reach many gigaohm.
