A. 90 V/µs
B. 0.67 V/µs
C. 1.5 V/µs
D. none of these
0
Negative feedback_______________?
0
The differential voltage gain of a differential amplifier is equal to RC divided by _______________?
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
0
The common-mode voltage gain of a differential amplifier is equal to RC divided by _______________?
A. r’e
B. r’e/2
C. 2r’e
D. RE
0
The common-mode voltage gain is________________?
A. r’e
B. 2r’e
C. r’e/2
D. 2RE
0
The input impedance of a differential amplifier equals r’e times________________?
A. smaller than differentail voltage gain
B. equal to differential voltage gain
C. greater than differential voltage gain
D. none of the above
0
The node voltage at the top of the til resistor is closes to________________?
A. ß
B. RE
C. RC
D. 2ß
0
The Op-amp can amplify______________?
A. collector supply voltage
B. zero
C. emitter supply voltage
D. tail current times base resistance
0
A certain noninverting amplifier has Ri of 1 kO and Rf of 100 kO. The closed-loop voltage gain is_____________?
A. a.c. signals only
B. d.c. signals only
C. both a.c. and d.c. signals
D. neither d.c. nor a.c. signals
0
For an Op-amp with negative feedback, the output is_________________?
A. 100,000
B. 1000
C. 101
D. 100
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