Electronics and Communication Engineering - Measurements and Instrumentation - Discussion

Discussion Forum : Measurements and Instrumentation - Section 8 (Q.No. 42)

Measurements and Instrumentation

42.

Consider the following statements regarding phase sensitive detector

The detector reads zero when phases of input signal and reference signal are different.
The detector acts as a linear rectifier.
The detector can be used as vector voltmeter.

Of the above statements which are correct?

1, 2, 3

1 and 2

2 and 3

1 and 3

Answer: Option

Explanation:

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