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What are the different biasing techniques used to bias D-MOSFET and E-MOSFET? Explain with the help of appropriate circuit diagrams.

Mumbai University > Electronics ana telecommunication engineering > Sem 3 > Analog electronics 1

Marks: 10M

Years: Dec 14

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Biasing of Enhancement MOSFET:

Figure 2.11 shows the drain-to-gate bias circuit for enhancement mode MOSFET. Here, the gate bias voltage is VGS=[R1(R(1)+Rf)]VDS. This circuit offers the d.c. stabilization through the feedback resistor R_f. However, the input resistance is reduced because of Miller effect.

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