[Main]
FileType=CIR
Version=7.00
Program=Micro-Cap
Screen=800,600
MCAPVersion=7.0.0.0
Key ID=493 834 421
NLCnt=55
TXCnt=18

[shapedef]
Name=Battery
Line=0,0,22,0
Line=22,-3,22,3
Line=26,-7,26,7
Line=26,0,48,0
Current=32,8,16,8

[shapedef]
Name=Resistor
PolyOpen=12 
PolyLine=0,0
PolyLine=0,0
PolyLine=12,0
PolyLine=14,-4
PolyLine=18,4
PolyLine=22,-4
PolyLine=26,4
PolyLine=30,-4
PolyLine=34,4
PolyLine=36,0
PolyLine=48,0
PolyLine=48,0
Current=32,8,16,8

[shapedef]
Name=Capacitor
Line=0,0,22,0
Line=22,-8,22,8
Line=26,-8,26,8
Line=26,0,48,0
Current=32,12,16,12

[shapedef]
Name=Inductor
Line=42,0,48,0
Line=0,0,5,0
Arc=5,-7,17,7 , 11,-7,5,0
Arc=13,-7,25,7 , 19,-7,13,0
Arc=29,-7,41,7 , 35,-7,29,0
Arc=21,-7,33,7 , 27,-7,21,0
Arc=6,-7,18,7 , 18,0,12,-7
Arc=14,-7,26,7 , 26,0,20,-7
Arc=22,-7,34,7 , 34,0,28,-7
Arc=30,-7,42,7 , 42,0,36,-7
Line=11,-7,12,-7
Line=19,-7,20,-7
Line=27,-7,28,-7
Line=35,-7,36,-7
Arc=13,-4,17,2 , 13,-1,15,2
Arc=29,-4,33,2 , 29,-1,31,2
Arc=21,-4,25,2 , 21,-1,23,2
Arc=14,-4,18,2 , 16,2,18,-1
Arc=30,-4,34,2 , 32,2,34,-1
Arc=22,-4,26,2 , 24,2,26,-1
Line=15,2,16,2
Line=23,2,24,2
Line=31,2,32,2
Line=5,5,9,5
Line=41,5,41,9
Line=39,7,43,7
Current=32,8,16,8

[shapedef]
Name=Diode
Root="Diode.root",0,-8,0

[shapedef]
Name=NFV
Root="Vsource.root",0,-12,0
Root="TextNv.Root",20,-6,0
Root="TextFv.Root",20,1,0

[shapedef]
Name=NFI
Root="Isource.Root",-12,0,0
Root="TextN.Root",-26,20,0
Root="TextF.Root",-18,20,0

[shapedef]
Name=NTVOFV
Root="VOFV.Root",-2,-2,0
Root="TextN.Root",41,20,0
Root="TextT.Root",48,20,0

[shapedef]
Name=Ground
Line=0,0,12,0
Line=12,-8,12,8
Line=18,-4,18,4
Line=24,0,24,0

[shapedef]
Name=Diode.root
Line=0,0,20,0
Line=28,0,48,0
Rectangle=18,-8,20,8,SOLID
PolyClosed=3 ,Solid
PolyLine=20,0
PolyLine=28,-8
PolyLine=28,8
Current=32,16,16,16

[shapedef]
Name=Minus.root
Line=-2,0,2,0

[shapedef]
Name=Vsource.root
Line=0,0,12,0
Line=36,0,48,0
Ellipse=12,-12,36,12
Line=7,5,7,9
Root="Plus.root",39,5,0
Current=32,16,16,16

[shapedef]
Name=Plus.root
Line=-2,0,2,0
Line=0,-2,0,2

[shapedef]
Name=Vsrc.root
Root="Plus.root",41,6,0
Root="Minus.root",41,40,0
Line=48,0,48,12
Line=48,36,48,48
Ellipse=36,12,61,36
Current=64,16,64,32

[shapedef]
Name=OFV.Root
Root="Plus.root",6,6,0
Ellipse=-2,-2,2,2
Ellipse=-2,46,2,50

[shapedef]
Name=TextNv.Root
Line=0,0,8,0
Line=8,0,0,5
Line=0,5,8,5

[shapedef]
Name=TextF.Root
Line=0,0,5,0
Line=0,0,0,8
Line=2,4,0,4

[shapedef]
Name=TextFv.Root
Line=0,0,8,0
Line=4,0,4,2
Line=8,0,8,5

[shapedef]
Name=Isource.Root
Ellipse=-12,12,12,36
Line=0,0,0,24
PolyClosed=3 ,Solid
PolyLine=-4,24
PolyLine=4,24
PolyLine=0,32
Line=0,32,0,48
Current=16,16,16,32

[shapedef]
Name=VOFV.Root
Line=0,0,0,0
Line=0,48,0,48
Root="Vsrc.root",36,0,0
Root="OFV.Root",-2,-2,0
Current=64,16,64,32

[shapedef]
Name=TextN.Root
Line=0,8,0,0
Line=0,0,5,8
Line=5,8,5,0

[shapedef]
Name=TextT.Root
Line=0,0,5,0
Line=2,0,2,8

[compdef]
Name=Battery
Definition=Battery
Shape=Battery
Mask=5889
Label Offset=19,7,10,13
PinCnt=2
Pin="Plus",6,0,-4,-5
Pin="Minus",0,0,-10,-5

[compdef]
Name=Inductor
Definition=Inductor
Shape=Inductor
Mask=6913
Label Offset=18,3,11,12
PinCnt=2
Pin="Plus",6,0,-5,-9
Pin="Minus",0,0,-3,-9

[compdef]
Name=Resistor
Definition=Resistor
Shape=Resistor
Mask=7681
Label Offset=18,6,8,11
PinCnt=2
Pin="Plus",6,0,-10,-4
Pin="Minus",0,0,-14,-4

[compdef]
Name=Capacitor
Definition=Capacitor
Shape=Capacitor
Mask=7681
Label Offset=19,8,12,12
PinCnt=2
Pin="Plus",6,0,-3,-5
Pin="Minus",0,0,-14,-5

[compdef]
Name=Diode
Definition=Diode
Shape=Diode
Mask=5889
Label Offset=17,10,12,12
PinCnt=2
Pin="Anode",6,0,-9,-8
Pin="Cathode",0,0,-20,-8

[compdef]
Name=NFV
Definition=NFV
Shape=NFV
Mask=4864
Label Offset=18,12,16,13
PinCnt=2
Pin="Plus",6,0,-8,-4
Pin="Minus",0,0,-21,-6

[compdef]
Name=Ground
Definition=Ground
Shape=Ground
Mask=4865
Label Offset=0,0,0,0
PinCnt=1
Pin="PinA",0,0,-3,-7

[compdef]
Name=NTVofV
Definition=NTVofV
Shape=NTVOFV
Mask=4096
Label Offset=63,12,-29,59
PinCnt=4
Pin="Plus Output",6,0,-15,-3
Pin="Minus Output",6,6,-12,17
Pin="Plus Input",0,0,-29,-3
Pin="Minus Input",0,6,-33,17

[compdef]
Name=NFI
Definition=NFI
Shape=NFI
Mask=4096
Label Offset=15,12,-29,13
PinCnt=2
Pin="Plus",0,0,7,12
Pin="Minus",0,6,7,3

[Circuit]
WinBackGround Color=15
Grid Text Color=Height=-12,FStyle=0,Color=9,Name=Arial
Object Default=Height=-16,FStyle=0,Color=4,Name=Arial
Component Color=12
Attribute Text=Height=-12,FStyle=0,Color=2,Name=Arial
Wire Color=2
Select Color=9
Pin Color=9
Select Box Color=4
Node Number=Height=-12,FStyle=0,Color=13,Name=Arial
Node Voltage Color=0
Current=Height=-11,FStyle=0,Color=12,Name=Arial
Power/Condition=Height=-11,FStyle=0,Color=9,Name=Arial
Digital Path Color=9
Title Block=Height=-16,FStyle=0,Color=0,Name=Arial
Digital 0 Color=0
Digital R Color=11
Digital F Color=11
Digital 1 Color=9
Digital X Color=7
Digital Z Color=8
Window Placement=2,3, -1,-1, -6,-25, 88,88,730,434
Window Placement in Analysis=0,0, 0,0, 0,0, 0,0,0,0
Window Placement in Probe=0,0, 0,0, 0,0, 0,0,0,0
Block Select Color=41
TitleBlock Field_1=$name
TitleBlock Field_2=$user $company
TitleBlock Field_3
TitleBlock Field_4=$date
TitleBlock Field_5=Page $page of $maxpage
TitleBlock One Title=True
Title_Block_Border=False
Title_Block=False

[Comp]
Name=Battery
Grid=28,21
Rot=2

[Attr]
ONV=-30,-36,PART,V1
Style=8192

[Attr]
ONV=-27,-23,VALUE,0
Style=8192

[Comp]
Name=Inductor
Grid=29,31
Rot=5

[Attr]
ONV=10,-37,PART,L1
Style=8192

[Attr]
ONV=10,-22,VALUE,Lpl
Style=8192

[Comp]
Name=Resistor
Grid=35,25
Rot=7

[Attr]
ONV=9,11,PART,R1
Style=8192

[Attr]
ONV=8,25,VALUE,Rpl
Style=8192

[Comp]
Name=Capacitor
Grid=14,31
Rot=5

[Attr]
ONV=13,-41,PART,C1
Style=8192

[Attr]
ONV=13,-25,VALUE,Cpar
Style=8192

[Wire]
Grids=35,21,35,25

[Wire]
Grids=29,21,29,25

[Wire]
Grids=28,21,29,21

[Comp]
Name=Resistor
Grid=10,23
Rot=7

[Attr]
ONV=-24,11,PART,R2
Style=8192

[Attr]
ONV=-45,26,VALUE,10Meg
Style=8192

[Wire]
Grids=14,21,14,25

[Wire]
Grids=10,21,14,21

[Wire]
Grids=10,21,10,23

[Wire]
Grids=29,31,32,31

[Wire]
Grids=10,31,14,31

[Comp]
Name=Resistor
Grid=32,31
Rot=7

[Attr]
ONV=8,11,PART,R3
Style=8192

[Attr]
ONV=8,24,VALUE,Rneg
Style=8192

[Wire]
Grids=32,31,35,31

[Comp]
Name=Diode
Grid=32,37
Rot=7

[Attr]
ONV=-28,12,PART,D1
Style=8192

[Attr]
ONV=-61,27,MODEL,DCLAMP

[Comp]
Name=Diode
Grid=22,37
Rot=1

[Attr]
ONV=12,12,PART,D2
Style=8192

[Attr]
ONV=12,27,MODEL,DCLAMP

[Wire]
Grids=22,43,32,43

[Wire]
Grids=14,21,22,21

[Comp]
Name=Capacitor
Grid=22,32
Rot=5

[Attr]
ONV=14,-38,PART,C2
Style=8192

[Attr]
ONV=14,-24,VALUE,Carc
Style=8192

[Wire]
Grids=22,21,22,26

[Comp]
Name=Resistor
Grid=11,37

[Attr]
ONV=19,-32,PART,R4
Style=8192

[Attr]
ONV=11,-19,VALUE,1e10
Style=8192

[Wire]
Grids=17,37,22,37

[Wire]
Grids=10,37,11,37

[Wire]
Grids=10,31,10,37

[Wire]
Grids=17,37,17,43

[Wire]
Grids=10,43,11,43

[Wire]
Grids=10,37,10,43

[Comp]
Name=NFV
Grid=51,27
Rot=3

[Attr]
ONV=18,-42,PART,E2
Style=8192

[Attr]
ONV=19,-27,VALUE,IF(ABS(V(Pin1,Pin2))>V(Thresh),10,IF(ABS(I(V1))>Isus,10,10n))
Style=8192

[Comp]
Name=Ground
Grid=51,27
Rot=1

[Comp]
Name=NFV
Grid=48,38
Rot=3

[Attr]
ONV=16,-38,PART,E3
Style=8192

[Attr]
ONV=17,-23,VALUE,Vthres+(Vthres*V(Ion))
Style=8192

[Comp]
Name=Ground
Grid=48,38
Rot=1

[Comp]
Name=Resistor
Grid=45,21

[Attr]
ONV=17,-35,PART,R5
Style=8192

[Attr]
ONV=18,-21,VALUE,10
Style=8192

[Comp]
Name=Capacitor
Grid=45,27
Rot=3

[Attr]
ONV=-29,-41,PART,C3
Style=8192

[Attr]
ONV=-32,-27,VALUE,10p
Style=8192

[Wire]
Grids=45,27,51,27

[Comp]
Name=NTVofV
Grid=28,51

[Attr]
ONV=63,12,PART,E4
Style=8192

[Attr]
ONV=63,27,TABLE,(0,0) (1U,.5565M) (10M,1M) (100M,86M) (1,217M) (10,521M) (100,956M)

[Comp]
Name=Ground
Grid=34,57
Rot=1

[Comp]
Name=Ground
Grid=28,57
Rot=1

[Comp]
Name=NFV
Grid=69,50
Rot=3

[Attr]
ONV=17,-39,PART,E5
Style=8192

[Attr]
ONV=17,-22,VALUE,V(Pin1,Pin2)
Style=8192

[Comp]
Name=Ground
Grid=69,50
Rot=1

[Comp]
Name=Ground
Grid=55,50
Rot=1

[Comp]
Name=Resistor
Grid=61,44
Rot=2

[Attr]
ONV=-28,-35,PART,R6
Style=8192

[Attr]
ONV=-38,-20,VALUE,1Meg
Style=8192

[Comp]
Name=Capacitor
Grid=63,44
Rot=4

[Attr]
ONV=16,-38,PART,C4
Style=8192

[Attr]
ONV=17,-24,VALUE,1u
Style=8192

[Wire]
Grids=61,44,63,44

[Comp]
Name=NFV
Grid=55,50
Rot=3

[Attr]
ONV=-31,-42,PART,E6
Style=8192

[Attr]
ONV=-98,-28,VALUE,-100Meg*V(Dif)
Style=8192

[Comp]
Name=NFV
Grid=76,41
Rot=5

[Attr]
ONV=16,-42,PART,E8
Style=8192

[Attr]
ONV=14,-27,VALUE,100*V(Dif)
Style=8192

[Comp]
Name=Ground
Grid=76,41
Rot=1

[Comp]
Name=NFV
Grid=28,57
Rot=3

[Attr]
ONV=-31,-37,PART,E9
Style=8192

[Attr]
ONV=-86,-23,VALUE,ABS(V(Dvdt))
Style=8192

[Wire]
Grids=10,29,10,31

[Wire]
Grids=6,21,10,21

[Wire]
Grids=6,31,10,31

[Comp]
Name=NFI
Grid=17,43
Rot=1

[Attr]
ONV=-9,3,PART,G1
Style=8192

[Attr]
ONV=-96,17,VALUE,V(Switch,Pin2)*V(Switchchk)
Style=8192

[Wire]
Grids=39,21,45,21

[Wire]
Grids=22,32,22,37

[Wire]
Grids=29,21,35,21

[Node Offsets]

[Condition Offsets]

[Grid Text]
Text=.HELP VTHRES "Voltage at which the spark-gap strikes"
Grid=53,4

[Grid Text]
Text=.Parameters(Vthres=90, Varc=10, Isus=500M,Rneg=-1,Lpl=130N,Rpl=2K,Cpar=1P,Carc=3P)
Grid=53,20
Color=1

[Grid Text]
Text=Dvdt
Grid=76,35
Color=1

[Grid Text]
Text=Dif
Grid=61,44
Color=1

[Grid Text]
Text=Ion
Grid=34,51
Color=1

[Grid Text]
Text=Switchchk
Grid=39,21
Color=1

[Grid Text]
Text=Thresh
Grid=48,32
Color=1

[Grid Text]
Text=Switch
Grid=17,37
Color=1

[Grid Text]
Text=Pin2
Grid=6,31
Color=1

[Grid Text]
Text=Pin1
Grid=6,21
Color=1

[Grid Text]
Text=SPARKGAP MACRO
Grid=8,5
Height=-19
Color=13

[Grid Text]
Text=Called by other circuits.þNot intended for stand alone analysis.
Grid=6,12
Height=-19

[Grid Text]
Text=.HELP VARC "Voltage across the spark-gap once struck"
Grid=53,6

[Grid Text]
Text=.HELP ISUS "Sustaining current under which the arc is stopped"
Grid=53,8

[Grid Text]
Text=.HELP RNEG "Negative resistance once struck"
Grid=53,10

[Grid Text]
Text=.HELP LPL "Lead inductance"
Grid=53,12

[Grid Text]
Text=.HELP CPAR "Gap capacitance"
Grid=53,14

[Grid Text]
Text=.HELP CARC "Arc capacitance"
Grid=53,16

[Schematic]
Page 0=0
TabSize 0=320
Page 1=0
TabSize 1=320
Page 2=0
TabSize 2=320
Page 3=0
TabSize 3=320
Splitter.xs=0
Splitter.ys=0
TextQuad=4099
Scale=1.333333333333333
PrinterScale=-1
View=304

[Tools]
Pos=Top
SELECT=Yes
COMP=Yes
TEXT=Yes
WIRE=Yes
WIRED=Yes
GRAPHIC=Yes
LINE=No
ELLIPSE=No
RECT=No
DIAM=No
ARC=No
PIE=No
FLAG=No
META=No
INFO=Yes
HELP=Yes
DIGTRC=No
DIGTRC2=No
DIGALL=No
GRIDTEXT=Yes
COMPTEXT=Yes
NODE=Yes
NODEV=Yes
CURRENT=Yes
POWER=Yes
CONDITIN=Yes
PIN=Yes
CROSS=No
GRID=Yes
BORDER=No
TITLE=Yes
RUBBER=Yes
PROPERTY=Yes
STEP=Yes
MIRROR=Yes
ROTATE=Yes
FLIPY=Yes
FILPX=Yes
FINDCOMP=No
FIND=Yes
REPEAT=No
MODEL=Yes
CIR2CKT=No
ATTDISP=No
TOFRONT=No
TOBACK=No
PAGEADD=No
PAGEDEL=No
ZOOMIN=Yes
ZOOMOUT=Yes
GOTOFLAG=No
COLOR=Yes
FONT=Yes

[Page]
Index=0
Name=Page 1
Scale 0=0.6666666666666666
Scale 1=1
Scale 2=1
Scale 3=1.333333333333333
Grid=1,11

[Text Area]
Font=Height=-16,FStyle=0,Color=4,Name=Courier New
Comment Color=8
Background Color=15
Len=27
.MODEL DCLAMP D (BV=VARC)


[Printer]
T.AutoTile=No
T.BlackBorder=No
A.AutoTile=No
A.BlackBorder=No
D.AutoTile=No
D.BlackBorder=No

[TRANSIENT]
AutoTitle=Yes
Grid Weight=1
Grid Pattern=Dot

[AC]
AutoTitle=Yes
Grid Weight=1
Grid Pattern=Dot

[DC]
AutoTitle=Yes
Grid Weight=1
Grid Pattern=Dot

[Analysis]
Window Placement=0,0, 0,0, 0,0, 0,0,0,0
Window Placement in Probe=0,0, 0,0, 0,0, 0,0,0,0
Num Out Header Left
Num Out Header Center=$MC\n$user\n$company\n$Analysis of $name\n
Num Out Header Right
Num Out Delimiter=32
Analysis Text=Height=-16,FStyle=0,Color=12,Name=Arial
Analysis Grid Color=8
Analysis Graph Background=15
Object Default=Height=-16,FStyle=0,Color=4,Name=Arial
Analysis Window Background=15
NumOut=Height=-16,FStyle=0,Color=4,Name=Courier New
ScaleColor=On
Select Color=9
Select Box Color=4
Cursor Select Color Primary=7
Cursor Select Color Secondary=9
Tracker Intercept=False
Tracker Mouse=True
Tracker Cursor=True
Tracker Foreground=Height=-19,FStyle=0,Color=0,Name=Arial
Tracker Background=11
Data Point Labels Color Fore=Height=-19,FStyle=0,Color=0,Name=Arial
Data Point Labels Color Back=11
AnimateWait=0
AnimateWaitTime=500
Same Y Scales=Yes
T.Save_For_Future=No
A.Save_For_Future=No
D.Save_For_Future=No
T.Reduce_Display=1
T.Reduce_Save=1
A.Reduce_Display=1
A.Reduce_Save=1
D.Reduce_Display=1
D.Reduce_Save=1

[Tools]
Pos=Top
SELECT=Yes
GRAPHIC=No
LINE=No
ELLIPSE=No
RECT=No
DIAM=No
ARC=No
PIE=No
POLYCLOS=No
SCALE=Yes
CURSOR=Yes
MEASUREH=Yes
MEASUREV=Yes
TAG=Yes
TEXT=Yes
PROPERTY=Yes
START=Yes
STOP=Yes
PAUSE=No
DATAPTS=Yes
TOKENS=Yes
RULER=No
PLUS=No
XAXIS=Yes
YAXIS=Yes
MINORLOG=No
BASELINE=No
HORIZCUR=No
GOTOX=Yes
GOTOY=Yes
GOTOPERF=Yes
GOTOBRNC=Yes
NEXT=Yes
NEXTIN=Yes
PEAK=Yes
VALLEY=Yes
HIGH=Yes
LOW=Yes
INFLECTN=Yes
GHIGH=Yes
GLOW=Yes
BOTTOM=Yes
TOP=Yes
AOUTPUT=Yes
ZOOMIN=No
ZOOMOUT=No
COLOR=Yes
FONT=Yes

[Monte Carlo Options]
Analysis=Transient
Status=Off
Distribution=Normal
Number of Runs

[Monte Carlo Options]
Analysis=AC
Status=Off
Distribution=Normal
Number of Runs

[Monte Carlo Options]
Analysis=DC
Status=Off
Distribution=Normal
Number of Runs

[Limits]
Analysis=Transient
OPT=120
Horizontal Cursor=False
Temperature Type=Linear

[WaveForm]
Analysis=Transient
Options=LINEARX,LINEARY
AliasID=-1
Plt=1
SFmtX=3
SFmtY=3
Line Color=12
Text Color=12

[WaveForm]
Analysis=Transient
Options=LINEARX,LINEARY
AliasID=-1
Plt=1
SFmtX=3
SFmtY=3
Line Color=9
Text Color=9

[WaveForm]
Analysis=Transient
Options=LINEARX,LINEARY
AliasID=-1
SFmtX=3
SFmtY=3
Line Color=2
Text Color=2

[Limits]
Analysis=AC
OPT=0
Horizontal Cursor=False
Temperature Type=Linear

[WaveForm]
Analysis=AC
Options=LINEARY
AliasID=-1
Plt=1
SFmtX=3
SFmtY=3
Line Color=12
Text Color=12

[WaveForm]
Analysis=AC
Options=LINEARY
AliasID=-1
Plt=1
SFmtX=3
SFmtY=3
Line Color=9
Text Color=9

[WaveForm]
Analysis=AC
Options=LINEARY
AliasID=-1
SFmtX=3
SFmtY=3
Line Color=2
Text Color=2

[Limits]
Analysis=DC
OPT=0
Horizontal Cursor=False
Temperature Type=Linear
Sweep1 type=Auto
Sweep2 type=None

[WaveForm]
Analysis=DC
Options=LINEARX,LINEARY
AliasID=-1
Plt=1
SFmtX=3
SFmtY=3
Line Color=12
Text Color=12

[WaveForm]
Analysis=DC
Options=LINEARX,LINEARY
AliasID=-1
SFmtX=3
SFmtY=3
Line Color=9
Text Color=9

[WaveForm]
Analysis=DC
Options=LINEARX,LINEARY
AliasID=-1
SFmtX=3
SFmtY=3
Line Color=2
Text Color=2

[Optimize]
Format=3

[Optimize]
Analysis=Transient
Method=Stepping_Powel

[Optimize]
Analysis=AC
Method=Stepping_Powel

[Optimize]
Analysis=DC
Method=Stepping_Powel

[Watch]
Format=3

[Watch]
Analysis=Transient
ExprPercentWidth=80

[Watch]
Analysis=AC
ExprPercentWidth=80

[Watch]
Analysis=DC
ExprPercentWidth=80

[DSP]
T.Status=Off
A.Status=Off

[TF]
Input Source
Place Text=False

[SENS]
Multiple=False
Parameter Type=Component
