Download Sept. 17

H4
A)
B)
C)
D)
E)
The open loop gain of this op-amp is 105 and the
bandwidth is 10 Hz. What is the bandwidth of a
voltage follower made with this op-amp?
10 kHz
100 kHz
1 MHz
10 MHz
Can not be determined
Vin
Vout
H3
A)
B)
C)
D)
E)
The unity gain frequency of this op-amp is 5 MHz.
What is the 3 db frequency of this circuit?
50 kHz
500 kHz
5 MHz
50 MHz
Can not be determined
100k
Vin
10k
Vout
H3
A)
B)
C)
D)
E)
What is the input impedance of this circuit at low
frequencies?
Very small, depends on A of op-amp
Close to 100k
Very large, depends on A of op-amp
Close to 10k
Cannot be determined
100k
Vin
10k
Vout
H3
A)
B)
C)
D)
E)
What is the output impedance of this circuit at low
frequencies?
Very small, depends on A of op-amp
Close to 100k
Very large, depends on A of op-amp
Close to 10k
Cannot be determined
100k
Vin
10k
Vout