Category: Operational Amplifier

A. 90 V/µs
B. 0.67 V/µs
C. 1.5 V/µs
D. none of these

A. very high
B. very low
C. dependent on input voltage
D. about 100

A. increases the input and output impedances
B. increases the input impedance and bandwidth
C. decreases the output impedance and bandwidth
D. does not affect impedance or bandwidth

A. r’e
B. r’e/2
C. 2r’e
D. RE

A. differential amplifier
B. class B push-pull amplifier
C. CE amplifier
D. swamped amplifier

A. 1
B. 2000
C. 80 dB
D. 100,000

A. very high
B. very low
C. always unity
D. unpredictable

A. equal to the positive supply voltage
B. equal to the negative supply voltage
C. equal to zero
D. equal to CMRR

A. a mechanical ground
B. an a.c. ground
C. a virtual ground
D. an ordinary ground

A. collector supply voltage
B. zero
C. emitter supply voltage
D. tail current times base resistance