3-1. For the three circuits, (a) Give the transistor

bias state, (b) Write the appropriate model

equation, (c) Calculate Ip, where W/L = 2,

Vin = 0.4 V and K₁ = 200 μA/V².

10 V

8 ΚΩ

2 ΚΩ

12 ΚΩ

2 V

2 V

T

8kQ

18 ΚΩ

2 ΚΩ

2 V

2 V

2 V