Continue to Site

Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Summer using CFOA not working

Status
Not open for further replies.

Sweta1

Newbie level 5
Newbie level 5
Joined
Oct 11, 2013
Messages
8
Helped
0
Reputation
0
Reaction score
0
Trophy points
1
Visit site
Activity points
57
I have designed a summer circuit using CFOA in Pspice,but its not working.The code is given below:


.SUBCKT CFOA 1 2 3 13
M1 11 10 6 6 NMOD W=10U L=1U
M2 10 10 6 6 NMOD W=10U L=1U
M3 11 2 12 12 PMOD W=74U L=1U
M4 10 1 12 12 PMOD W=74U L=1U
M5 4 4 5 5 PMOD W=74U L=1U
M6 12 4 5 5 PMOD W=74U L=1U
M7 1 4 5 5 PMOD W=74U L=1U
M8 13 4 5 5 PMOD W=74U L=1U
M9 7 4 5 5 PMOD W=74U L=1U
M10 3 4 5 5 PMOD W=74U L=1U
M11 3 8 6 6 NMOD W=10U L=1U
M12 9 9 6 6 NMOD W=10U L=1U
M13 9 3 7 7 PMOD W=74U L=1U
M14 8 13 7 7 PMOD W=74U L=1U
M15 8 9 6 6 NMOD W=10U L=1U
M16 13 11 6 6 NMOD W=10U L=1U
M17 1 11 6 6 NMOD W=10U L=1U
IO 6 4 10UAMP
V5 5 0 DC 0V
V6 6 0 DC 1.5V

.MODEL NMOD NMOS ( LEVEL = 3
+ TOX = 5.7E-9 NSUB = 1E17 GAMMA = 0.4317311
+ PHI = 0.7 VTO = 0.4238252 DELTA = 0
+ UO = 425.6466519 ETA = 0 THETA = 0.1754054
+ KP = 2.501048E-4 VMAX = 8.287851E4 KAPPA = 0.1686779
+ RSH = 4.062439E-3 NFS = 1E12 TPG = 1
+ XJ = 3E-7 LD = 3.162278E-11 WD = 1.232881E-8
+ CGDO = 6.2E-10 CGSO = 6.2E-10 CGBO = 1E-10
+ CJ = 1.81211E-3 PB = 0.5 MJ = 0.3282553
+ CJSW = 5.341337E-10 MJSW = 0.5 )


.MODEL PMOD PMOS ( LEVEL = 3
+ TOX = 5.7E-9 NSUB = 1E17 GAMMA = 0.6348369
+ PHI = 0.7 VTO = -0.5536085 DELTA = 0
+ UO = 250 ETA = 0 THETA = 0.1573195
+ KP = 5.194153E-5 VMAX = 2.295325E5 KAPPA = 0.7448494
+ RSH = 30.0776952 NFS = 1E12 TPG = -1
+ XJ = 2E-7 LD = 9.968346E-13 WD = 5.475113E-9
+ CGDO = 6.66E-10 CGSO = 6.66E-10 CGBO = 1E-10
+ CJ = 1.893569E-3 PB = 0.9906013 MJ = 0.4664287
+ CJSW = 3.625544E-10 MJSW = 0.5 )

.ENDS

X1 1 2 3 4 CFOA
R1 17 1 15K
R2 18 1 15K
R3 4 19 15K
R4 3 5 5K
V19 19 0 DC 1V
V2 2 0 DC 1V

X2 5 6 7 8 CFOA
V7 6 0 DC 1V
R5 8 20 5K
V20 20 0 DC 1V

Va 17 0 AC 10V
Vb 18 0 AC 10V
.AC DEC 100 100HZ 100KHZ
.PROBE
.END
 

Status
Not open for further replies.

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Back
Top