1.
When a capacitor is used in place of a resistor in an op-amp network, its placement determines:
A
Open or closed-loop gain
B
Integration or differentiation
C
Saturation or cutoff
D
Addition or subtraction
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When a capacitor is used in place of a resistor in an op-amp network, its placement determines:
Open or closed-loop gain
Integration or differentiation
Saturation or cutoff
Addition or subtraction
The major difference between ground and virtual ground is that virtual ground is only a:
Voltage reference
Current reference
Power reference
Difference reference
If the input to a comparator is a sine wave, the output is a:
Ramp voltage
Sine wave
Rectangular wave
Sawtooth wave
The ratio between differential gain and common-mode gain is called:
Amplitude
Differential-mode rejection
Common-mode rejection
Phase
The voltage follower has a:
Closed-loop voltage gain of unity
Small open-loop voltage gain
Closed-loop bandwidth of zero
Large closed-loop output impedance
A circuit whose output is proportional to the difference between the input signals is considered to be which type of amplifier?
Common-mode
Darlington
Differential
Operational
With negative feedback, the returning signal:
Aids the input signal
Is proportional to output current
Opposes the input signal
Is proportional to differential voltage gain
Op-amps used as high- and low-pass filter circuits employ which configuration?
Noninverting
Comparator
Open-loop
Inverting
Another name for a unity gain amplifier is:
Difference amplifier
Comparator
Single ended
Voltage follower
An ideal operational amplifier has
Infinite output impedance
Zero input impedance
Infinite bandwidth
All of the above