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Electronic Devices - Special-Purpose Op-Amp Circuits - Discussion

Discussion Forum : Special-Purpose Op-Amp Circuits - General Questions (Q.No. 29)
Special-Purpose Op-Amp Circuits
29.
What part of the characteristic curve of a diode is useful for log amplifiers?
the log region above 0.7 V
the log region below 0.7 V
the log region between 0 V and 0.7 V
the log region below the zener voltage
Answer: Option
Explanation:
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