Electronic Devices - Op-Amp Applications

Exercise : Op-Amp Applications - Filling the Blanks
11.
The output impedance of a voltage buffer is ________.
very low
low
high
very high
Answer: Option
Explanation:
No answer description is available. Let's discuss.

12.
In a current-controlled voltage source using the inverting op-amp circuit, the controlled output current is ________ with the input voltage source.
in phase
45º out of phase
90º out of phase
180º out of phase
Answer: Option
Explanation:
No answer description is available. Let's discuss.

13.
In a current-controlled current source, the controlled current Io depends on ________.
I1
R1
R2
All of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

14.
A bandpass filter uses ________ circuit.
a high-pass
a low-pass
a high-pass and a low-pass
neither a low-pass nor a high-pass
Answer: Option
Explanation:
No answer description is available. Let's discuss.

15.
A voltage summing amplifier has ________.
several inputs and several outputs
several inputs and one output
one input and several outputs
one input and one output
Answer: Option
Explanation:
No answer description is available. Let's discuss.