*version 8.0 2391605705
u 50
R? 2
D? 2
@libraries
@analysis
.AC 1 3 1
+0 101
+1 0.1
+2 1Meg
+3 V(en)
+4 ID
+5 10
.LIB A:\WinPSpice\Exa 7.6.lib
@targets
@attributes
@translators
a 0 u 13 0 0 0 hln 100 TANGO=PCB
a 0 u 13 0 0 0 hln 100 SCICARDS=PCB
a 0 u 13 0 0 0 hln 100 PROTEL=PCB
a 0 u 13 0 0 0 hln 100 PCAD=PCB
a 0 u 13 0 0 0 hln 100 PADS=PCB
a 0 u 13 0 0 0 hln 100 ORCAD=PCB
a 0 u 13 0 0 0 hln 100 EDIF=PCB
a 0 u 13 0 0 0 hln 100 CADSTAR=PCB
a 0 u 13 0 0 0 hln 100 PSPICE=PSPICE
a 0 u 13 0 0 0 hln 100 XILINX=XILINX
@setup
unconnectedPins 0
connectViaLabel 0
connectViaLocalLabels 0
NoStim4ExtIFPortsWarnings 1
AutoGenStim4ExtIFPorts 1
@index
pageloc 1 0 2681 
@status
n 0 80:00:03:11:44:38;315776678 e 
s 2832 80:00:03:11:44:44;315776684 e 
c 80:00:03:01:52:43;315741163
*page 1 0 970 720 iA
@ports
port 27 AGND 200 130 h
@parts
part 24 IDC 150 120 u
a 0 sp 11 0 42 8 hln 100 PART=IDC
a 1 u 13 0 39 25 hcn 100 DC=3.12uA
a 0 x 0:13 0 0 0 hln 100 PKGREF=ID
a 1 xp 9 0 34 42 hcn 100 REFDES=ID
part 26 H 250 100 h
a 0 u 0 0 0 10 hln 100 GAIN=20k
a 0 s 11 0 18 34 hln 100 PART=H
a 0 x 0:13 0 0 0 hln 100 PKGREF=Hen
a 1 xp 9 0 10 0 hln 100 REFDES=Hen
part 25 C 210 80 h
a 0 u 13 0 9 29 hln 100 VALUE=1G
a 0 sp 0 0 0 10 hlb 100 PART=C
a 0 s 0:13 0 0 0 hln 100 PKGTYPE=CK05
a 0 s 0:13 0 0 0 hln 100 GATE=
a 0 x 0:13 0 0 0 hln 100 PKGREF=C
a 0 xp 9 0 11 0 hln 100 REFDES=C
part 42 D1N4148 200 90 D
a 0 s 0:13 0 0 0 hln 100 PKGTYPE=DO-35
a 0 s 0:13 0 0 0 hln 100 GATE=
a 0 sp 11 0 35 9 hln 100 PART=D1N4148
a 0 x 0:13 0 0 0 hln 100 PKGREF=D
a 0 xp 9 0 9 8 hln 100 REFDES=D
a 0 sp 0 0 15 25 hln 100 MODEL=D1N4148-X
part 29 R 330 130 v
a 0 sp 0 0 0 10 hlb 100 PART=R
a 0 s 0:13 0 0 0 hln 100 PKGTYPE=RC05
a 0 s 0:13 0 0 0 hln 100 GATE=
a 0 x 0:13 0 0 0 hln 100 PKGREF=R
a 0 xp 9 0 19 6 hln 100 REFDES=R
a 0 u 13 0 19 29 hln 100 VALUE=1k
part 1 titleblk 970 720 h
a 1 s 13 0 350 10 hcn 100 PAGESIZE=A
a 1 s 13 0 180 60 hcn 100 PAGETITLE=
a 1 s 13 0 340 95 hrn 100 PAGECOUNT=1
a 1 s 13 0 300 95 hrn 100 PAGENO=1
@conn
w 3
s 250 80 250 100 2
a 0 up 33 0 252 90 hlt 100 V=
s 240 80 250 80 4
w 9
s 200 80 200 90 8
s 200 80 210 80 10
s 150 80 200 80 12
a 0 up 33 0 175 79 hct 100 V=
w 15
s 150 120 150 130 14
s 200 120 200 130 16
s 150 130 200 130 18
s 250 130 250 110 20
s 200 130 250 130 22
a 0 up 33 0 225 129 hct 100 V=
s 290 110 290 130 36
a 0 up 33 0 280 109 hct 100 V=
s 290 130 250 130 40
s 290 130 330 130 38
w 48
a 0 sr 0 0 0 0 hln 100 LABEL=en
s 290 80 330 80 32
a 0 sr 3 0 310 78 hcn 100 LABEL=en
s 290 100 290 80 30
s 330 80 330 90 34
@junction
j 200 80
+ w 9
+ w 9
j 200 130
+ w 15
+ w 15
j 150 80
+ p 24 -
+ w 9
j 150 120
+ p 24 +
+ w 15
j 240 80
+ p 25 2
+ w 3
j 210 80
+ p 25 1
+ w 9
j 250 100
+ p 26 1
+ w 3
j 250 110
+ p 26 2
+ w 15
j 200 130
+ s 27
+ w 15
j 290 100
+ p 26 3
+ w 48
j 290 110
+ p 26 4
+ w 15
j 250 130
+ w 15
+ w 15
j 200 90
+ p 42 1
+ w 9
j 200 120
+ p 42 2
+ w 15
j 330 90
+ p 29 2
+ w 48
j 330 130
+ p 29 1
+ w 15
j 290 130
+ w 15
+ w 15
@attributes
a 0 s 0:13 0 0 0 hln 100 PAGETITLE=
a 0 s 0:13 0 0 0 hln 100 PAGENO=1
a 0 s 0:13 0 0 0 hln 100 PAGESIZE=A
a 0 s 0:13 0 0 0 hln 100 PAGECOUNT=1
@graphics
t 45 t 5 200 184 456 202 0 3
   
t 44 t 5 100 184 217 202 0 23
Top Trace:  V(ONOISE)  
t 43 t 5 100 164 430 182 0 32
Creating Spectral Density en    
t 47 t 5 100 204 348 222 0 47
Bottom Trace: SQRT(S(V(ONOISE)*V(ONOISE)))     
t 46 t 5 100 224 438 242 0 69
(NOTE:  This circuit uses the accompanying Exa 7.6.lib local library)