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Electronic Devices - Op-Amp Applications

Exercise : Op-Amp Applications - Filling the Blanks
6.
Op-amps can be used to form ________ circuit(s).
voltage-controlled voltage source
voltage-controlled current source
current-controlled voltage source
All of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
The voltage gain of a voltage buffer is ________ .
1
0
–1
–5
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
The roll-off for a first-order high-pass filter is ________.
–20 dB/decade
–6 dB/octave
either –20 dB/decade or –6 dB/octave
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
The roll-off for a second-order high-pass filter is ________.
either –20 dB per decade or –6 dB per octave
either –40 dB per decade or –12 dB per octave
either –60 dB per decade or –18 dB per octave
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
In a dc millivoltmeter, the amplifier provides a meter with ________ input impedance and a scale factor dependent on ________ value and accuracy.
high, resistor
low, resistor
high, capacitor
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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