modified 2 years ago

（Saturation region）n-channel MOSFET

00:33:19

Saturation Region

The voltmeter voltage is controlled by the independent voltage source.

If the voltage source is 5V. More precisely Vgs >= Vth and Vds >= Vgs - Vth.

Vth = VTO = 3V
K = 1 mAV^-2

Id = K/2 * (Vg - Vth)^2
    = 1/2 * (5V - 3V)^2
    = 0.5 * 2^2
    = 2mA

Vds = Vd - (Id * Rd)
       = 10 - (2kohm * 2mA)
       = 6V (>2V)

That's it, 10V input (independent voltage source) = 6V output (voltmeter) with Id = 2mA.

Notice: 
1. Width = 90 nm
2. Length = 198 nm
3. KP = 1 mA/V^2
4. VTO = 3V
5. Lambda = 200 m1/V

published 2 years ago

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