422 The circuit parameters in Figure P421 are RC = 3k, = 100, V = 0:7...

4–22 The circuit parameters in Figure P4–21 are RC = 3kΩ, β = 100, Vγ = 0:7 V, and VCC = 5 V. Select a value of RB such that the transistor is in the saturation mode when vS ≥2V.