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MOSFET as Controlled Resistor
written 5.8 years ago by gravatar for vedantchikhale vedantchikhale • 830 modified 4.8 years ago by gravatar for ankitpandey ankitpandey • 100
microelectronics
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written 5.8 years ago by gravatar for vedantchikhale vedantchikhale • 830

A MOSFET can easily be used as a variable resistor. Consider few important parameters before using as a variable resistor.

The main things are:

  1. The minimum resistance you need and the RDS(on) of the MOSFET chosen.

  2. The MOSFET's behavior in the linear region though it is similar for almost all …

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