Wilson Current Mirror

** Circuit Description **
Vin 1 0 DC +10V
Iin 1 2 1mA
Q1 4 4 0 0 npn
Q2 2 4 0 0 npn
Q3 3 2 4 0 npn
Vout 3 0 DC 5V
* simple transistor model
.MODEL npn npn (Is=14fA Bf=100 VAf=0V)
** Analysis Requests **
.OP
* sweep the output voltage Vout between 0V and +5V
.DC Vout 0V 5V 10mV
** Output Requests **
.PLOT DC I(Vout) I(Vin)
.Probe
.end

 75k
Xtal 3 4 colorburst_crystal
C1 3 0 10pF IC=2.5V
C2 4 0 10pF IC=2.5V
* model statement
.model pmos_transistor PMOS (kp=10u Vto=-1V lambda=0.04)
.model nmos_transistor NMOS (kp=20u Vto=+1V lambda=0.04)
** Analysis Requests **
.options limpts=100000 itl5=0 opts numdgt=7
.width out=80
* use the DC bias point as the initial conditions for the oscillator
.TRAN 20ns 20ms 0.0199972 20ns UIC
.FOUR 3.579MegHz
** Output Requests **
.PRINT TRAN V(2)
.end

n a similar way) 108 698 T
(.) 452.86 698 T
0 F
(Figur) 108 312 T
(e 3.1) 136.45 312 T
2 F
(bjt.stg) 162.78 312 T
1 F
( modi\336cation \050only showin