An amplifier without feedback has a voltage gain of 50, input resistance of 1 kΩ & Output resistance of 2.5 kΩ.The input resistance of the current shunt negative feedback amplifier using the above amplifier with a feedback factor of 0.2 is
An n-channel JFET has $${I_{{\text{DSS}}}} = 2\,{\text{mA}}$$ and Vp = -4 v. Its transconductance gm = in (mA/V) for an applied gate to source voltage VGS = -2 v is
An amplifier using an opamp with slew rate SR=1v/µsec has a gain of 40db.if this amplifier has to faithfully amplify sinusoidal signals from dc to 20 KHz without introducing any slew-rate induced distortion, then the input signal level must not exceed