The MOSFET in the circuit below has the following parameters and channel length modulation may be ignored. Vtm?=1Vand?n?Cox?(W/L)=2mA/V2 a. Specify the values of Rs? and R0? that results in the MOSFET operating with an overdrive voltage Vov?=0.5V, and a drain voltage VD?=1.5V. Determine the resulting value of the drain current ID?. b. solutionspile.com

Question

The MOSFET in the circuit below has the following parameters and channel length modulation may be ignored.

V_{tm} = 1 V and ?_{n} C_{ox} (W / L) = 2 mA / V^{2}

a. Specify the values of

R_{s}

and

R_{0}

that results in the MOSFET operating with an overdrive voltage

V_{o v} = 0.5 V

, and a drain voltage

V_{D} = 1.5 V

. Determine the resulting value of the drain current

I_{D}

. b. If

R_{L}

is reduced from

15 K ?

to

10 K ?

what does

V_{D}

become? c. If

R_{L}

is disconnected what does

V_{D}

become? d. With

R_{L}

disconnected, what is the largest permissible value of

R_{D}

to ensure that the MOSFET remains in saturation?

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