What is the square law device?
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(1) A square law device is one that produces an output voltage or current that is proportional to the square of its input voltage or current. Square law devices are mainly used in modulators and detectors. Example: The detector diode used in communication systems, FETs used in balanced modulator etc.
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Helloooo..
A square law device is something where either current or voltage depends on the square of the other. For example, a saturated MOSFET has I proportional to V^2. A diode's characteristics also has a square but it's not as clean.
Thanking you
Adarsh...
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