Analog Electronics The current gain of a bipolar transistor drops at high frequencies because of The early effect High current effects in the base Transistor capacitances Parasitic inductive elements The early effect High current effects in the base Transistor capacitances Parasitic inductive elements ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Generally, the gain of a transistor amplifier falls at high frequencies due to the Skin effect Internal Capacitance of the device Coupling capacitor at the input Coupling capacitor at the output Skin effect Internal Capacitance of the device Coupling capacitor at the input Coupling capacitor at the output ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics 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 795mV 395mV 39.5mV 79.5 mV 795mV 395mV 39.5mV 79.5 mV ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Voltage Series (feedback also called series-shunt feedback) results in Decrease in input impedance & increase in output impedance Increase in both input & output impedances Decreases in both input & output impedances Increase in input impedance & decreases in output impedance Decrease in input impedance & increase in output impedance Increase in both input & output impedances Decreases in both input & output impedances Increase in input impedance & decreases in output impedance ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics MOSFET can be used as a Voltage controlled capacitor Voltage controlled inductors Current controlled capacitor Current controlled inductor Voltage controlled capacitor Voltage controlled inductors Current controlled capacitor Current controlled inductor ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS