K'n=μnCox=200 μA/V², K'p-μpCox-80 μA/V², |VLIN|= infinite
Vto,N=| Vto,P|= 0.5V, PHI= |20F|=0.85V for N and P, y=0.3 V⁰.5, λ=0.1 V-¹/n2) Diff-Amp: The PMOS transistors within the diff-amp in Fig 2 are designed to have gm=1.5mA/V at
120 μA. The drain resistors are designed at 12 kn. Finally, the current mirror of 1(b) is used as
the tail current.
a. Calculate the differential-mode gain of the circuit.
b. Calculate the common-mode gain of the circuit.
c.
Calculate the minimum Vdd that this circuit can support for an input common-mode
voltage of 1.8 V, including body effects./nM1
M3
Ⓒ
D
IREF
Vop
Vvp
R41
Fig. 2
M5
T
M2
M4
Vout
M4
Raz
M6
Fig: 1
Fig: 2
Fig: 3