IndiaBIX

Electronic Devices - Special-Purpose Op-Amp Circuits

Exercise : Special-Purpose Op-Amp Circuits - General Questions
11.
Refer to given circuits. Which circuit is known as a peak detector?

a
b
c
d
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
A log amplifier may use the ________ junction of a BJT in the feedback loop.
base-collector
base-emitter
emitter-collector
emitter-ground
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
A current-to-voltage converter produces a
constant output voltage for a variable input current.
variable output voltage for a constant input current.
proportional output voltage for a variable input current.
proportional output current for a variable input voltage.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
A log amplifier has ________ in the feedback loop.
a diode
a BJT
a resistor
either a diode or a BJT
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
Refer to the given figure. This circuit is a setup for

an antilog amplifier.
a constant-current source.
an instrumentation amplifier.
an isolation amplifier.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers