1. CMOS Differential Amplifier
Lab 7 2weeks

2. Diff Amp PMOS Current Mirror Diff pair Bias Current
NMOS Current Mirror
SPICE Models:
NMOS LEVEL=2 +VTO=-0.7 KP=5000E-6 LAMBDA=0.02 GAMMA=0.45 +TOX=90E-9 NSUB=3.7E15
PMOS LEVEL=2 +VTO=0.7 KP=400E-6 LAMBDA=0.05 GAMMA=0.9 +TOX=90E-9 NSUB=3.7E15

3. Current Mirroring (Copy)
Note
Current Mirroring (Copy) ; ;
Square Law Operation–
Observations

4. CurreM4 nt Mirroring (Copy)
Note
CurreM4 nt Mirroring (Copy) ; ;
Square Law Operation–
Observations

5. Developing the Bias Current
Setting biasing Current of Diff Amp, Note:
I R = ID6
VDD -VSS= VSG + IB RB;
R = (ß·2VDD - VTN) - (2·I))/(I·ß)

6. Diff Amp Current Behavior
Starting Eq 1 & 2
Solving 1 & 2

7. Diff Amp Testing Case 1 Vin = 0, Io = 0
Case 2 -2xV < Vin < +2xV
Case 3 Vin > | 2xV|; Io = IB

8. Diff Amp Voltage Behavior

9. Diff Amp Voltage Behavior