The resistor in Fig. P6.23 can be replaced by the triode transistor in the circuit of Fig. P6.24. The result is the circuit shown in Fig. P6.25 [Sooch, 1985]. All devices are sized identically except...

The resistor in Fig. P6.23 can be replaced by the triode transistor in the circuit of Fig. P6.24. The result is the circuit shown in Fig. P6.25 [Sooch, 1985]. All devices are sized identically except for which is sized smaller by a factor . Find the value of required to keep in active mode.