modified 9 years ago

Default NMOSFET resistance measurement in linear and saturated regions.

00:48:56

The resistance is calculated using Vds/Id.

In the ohmic/linear region (Vds < Vgs-Vturnon). Here Vds=3V
- Vgs = 5V
- Id = 6.4mA
Rds= 468.75 Ohm

-Vgs = 10V
-Id=16.8mA
Rds= 178.57 Ohm

In the saturated region (Vds >=Vgs-Vturnon). Here Vds = 10V
- Vgs = 5V
- Id = 9.83mA
Rds = 1017.29 Ohm

- Vgs = 10V
- Id = 43.1mA
Rds = 232 Ohm

published 9 years ago

2ctiby

9 years ago

All well and good for the Default mosfet, but remember that we can alter the mosfet settings which would change the effective Rds to almost any other value

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