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Consider the following applications Switch Attenuator Phase shifter Oscillator In which of the above can a PIN diode be used?

1 2 3 and 4
1 2 and 3 only
1 and 2 only
2, 3 and 4 only

Correct Answer: 1 2 and 3 only

Explanation:

PIN diode is not used in oscillators.

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