8.21 The cascode amplifier in Fig. 8.31 is operated at a current of 0.2 mA with all devices operating at|Vov|=0.2V. All devices have |VA| = 2 V. Find gm1, the output resistance of the amplifier, Ron, and the output resistance of the current source, Rop. Also find the overall output resistance and the voltage gain realized.
2 mA/V; 200 kΩ, 200 kΩ; 100 kΩ; −200 V/V