Hysteresis is desirable in Schmitt-trigger, because______________?

Hysteresis is desirable in Schmitt-trigger, because______________?

A. Energy is to be stored/discharged in parasitic capacitances
B. Effects of temperature would be compensated
C. Devices in the circuit should be allowed time for saturation and desaturation
D. It would prevent noise from causing false triggering

An amplifier using an opamp with slew rate SR=1v/sec has a gain of 40db.If this amplifier has to faithfully amplify sinusoidal signals from dc to 20KHz without introducing any slew-rate induced distortion, then the input signal level exceed_____________?

An amplifier using an opamp with slew rate SR=1v/sec has a gain of 40db.If this amplifier has to faithfully amplify sinusoidal signals from dc to 20KHz without introducing any slew-rate induced distortion, then the input signal level exceed_____________?

A. 795mV
B. 395mV
C. 795mV
D. 39.5mV

An ideal OP-AMP is an ideal__________?

An ideal OP-AMP is an ideal__________?

A. Current controlled Current source
B. Current controlled Voltage source
C. Voltage controlled Voltage source
D. Voltage controlled Current source