Physics, asked by vishalchaudhary7673, 1 year ago

1) What is 'square law device'?What is it's use?

2)What is 'bandpass filter centred'?

3)What is the purpose of 'IF stage'?

Answers

Answered by mohsin4596
0
1) it is a device which produce an output voltage or current that is proportional to the square of its input voltage or current. it is used in modulator and detactor.
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