Square law modulator for AM

Q.  Square law modulators
- Published on 13 Oct 15

a. Have non linear current-voltage characteristics
b. Are used for Amplitude Modulation
c. Are used for frequency modulation
d. Both a and b are correct

ANSWER: Both a and b are correct
 
Square law modulator for AM

Square law modulators are used for Amplitude Modulation. They have non linear current-voltage characteristics. Square law modulators are highly nonlinear in low voltage region.

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