parkpika
Junior Member level 3
I know that OTA and Opamp differs in that Opamp has a output buffer with low output impedance while OTA has high output impedance (ro).
Why is it that OTA can't drive a resistor? I get that the gain drops from gm*ro to gm*R, if R is small but isn't this the same for an Opamp??
Why is it that OTA can't drive a resistor? I get that the gain drops from gm*ro to gm*R, if R is small but isn't this the same for an Opamp??