An n-channel device has kn ′ = 100 μA/V2 , Vt= 0.7 V,and W/L = 20. The device is to operate as a switch for small vDS, u

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answerhappygod
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An n-channel device has kn ′ = 100 μA/V2 , Vt= 0.7 V,and W/L = 20. The device is to operate as a switch for small vDS, u

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An n-channel device has kn ′ = 100 μA/V2 , Vt= 0.7 V,and W/L =
20. The device is to operate as a switch for small vDS, utilizing a
control voltage vGS in the range 0 V to 5 V. Find the switch
closure resistance, rDS, and closure voltage, VDS, obtained when
vGS= 5 V and iD = 1 mA. If μp≃ 0.4μn, what must W/L be for a
p-channel device that provides the same performance as the
n-channel device in this application?
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