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Electronics - Special-Purpose Op-Amp Circuits

Exercise : Special-Purpose Op-Amp Circuits - Filling the Blanks
6.
The gain of an OTA is the ratio of the output current to the input voltage, and is measured in _____________.
amps
volts
siemens
no units
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
An instrumentation amplifier has extremely high ________, good ________, and high ________.
input impedance, common-mode rejection, gain
noise factor, grounding, power
working voltages, current capacity, output impedance
output gain, output loading, power
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
The external resistor of a typical instrumentation amplifier is used to set the ________.
impedance
rejection ratio
gain
isolation
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
If an operational transconductance amplifier (OTA) is used as an amplitude modulator, the voltage gain is varied by applying a _________ voltage to the ______ input.
demodulation, bias
modulation, bias
bias, modulation
low-frequency, bias
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
The ________ amplifier is ideal for amplitude modulation since its gain is current-controlled.
log
operational transconductance
isolation
Schmitt
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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