Chapter 8: Building Blocks of integrated-circuit amplifier

REF:
http://aries.ucsd.edu/NAJMABADI/CLASS/ECE102/12-F/NOTES/
http://cc.ee.ntu.edu.tw/~lhlu/eecourses/Electronics2/Electronics_Ch6.pdf

Vocab:
cascading: arrange in a series: xep tang
Intrinsic gain: Avo when Rc reach infinity _ Avo= -gm*ro
Overdrive Voltage: Vov is the voltage passing threshold voltage Vt

Review MOS and BJT:
For BJT, Vbe = 0.7 is a key to find other node voltages and branch currents
For MOS, Id is a key to find the others.

Question and Answer:

1. When is Vov = Vgs?
2. Why voltage source for MOS is Vdd and Vcc for BJT?
3.