ICT
2002.5.22
.ICT ICTPCBPCBIC
. ICT ICTICTICTI/ODCACHP-JET()
. ICT1. ICT(GUARDING)GUARDING ICT OP :
a.() ( )
b. ()()
ICT
I/ODCACHP-JET()
( )
()()
:
X55X2525X55X55
/25
Short Group 1< 23 57 88 132 >
Short Group 2< 25 79 154 257 326 >
Short Group 3< 46 130 >
Short Group 4< 71 257 >
1 235788132
)
|Y'|Cos=YRx=1/Rx, |Y'|=Ix/Vs
Rx=1/|Y'|Cos
Vs/Ix=Zc=1/2fCx ,
Cx=Ix/2fVs
Vs/Ix=ZL=2fLx ,
Lx=Vs/2fIx
|Y'|Sin=|Ycx|,Cx'Sin=Cx
Cx=Cx'Sin
(Cx'=Ix'/2fVs)
|Y'|Sin=|YLx|,Sin/Lx'=1/Lx
Lx=Lx'/Sin
(Lx'=Vs/2fIx')
2V
,
PCBIC
600fFIC10fF
1.
2.
3. ICT
5
REF
&P
OP
OP
Sheet2
Sheet3
ICT
I/ODCACHP-JET()
( )
()()
:
X55X2525X55X55
/25
Short Group 1< 23 57 88 132 >
Short Group 2< 25 79 154 257 326 >
Short Group 3< 46 130 >
Short Group 4< 71 257 >
1 235788132
)
|Y'|Cos=YRx=1/Rx, |Y'|=Ix/Vs
Rx=1/|Y'|Cos
Vs/Ix=Zc=1/2fCx ,
Cx=Ix/2fVs
Vs/Ix=ZL=2fLx ,
Lx=Vs/2fIx
|Y'|Sin=|Ycx|,Cx'Sin=Cx
Cx=Cx'Sin
(Cx'=Ix'/2fVs)
|Y'|Sin=|YLx|,Sin/Lx'=1/Lx
Lx=Lx'/Sin
(Lx'=Vs/2fIx')
2V
,
PCBIC
600fFIC10fF
1.
2.
3. ICT
5
REF
&P
OP
OP
Sheet2
Sheet3
2. ICT 0.1mA :X55X2525X55X55
/2555a. 5 b. 5Short Group 1< 23 57 88 132 >Short Group 2< 25 79 154 257 326 >Short Group 3< 46 130 >Short Group 4< 71 257 >
1 235788132 a. , b. ,
3 , ; 23 1 , 23 5788132
3. a. IsVx, , Rx=Vx/Is(0.1uA,0.5uA,5uA,50uA,500uA,5mA,10mA,)
a. , Vs(0.2V), Ix, , Rx=Vs/Ix=0.2V/Ix
a. Vs, |Y'|Cos=YRx=1/Rx, |Y'|=Ix/Vs Rx=1/|Y'|Cos
b.(3UF) Vs1KHz/10KHz/100KHz/1MHz40mvIs()
ICT
I/ODCACHP-JET()
( )
()()
:
X55X2525X55X55
/25
Short Group 1< 23 57 88 132 >
Short Group 2< 25 79 154 257 326 >
Short Group 3< 46 130 >
Short Group 4< 71 257 >
1 235788132
)
|Y'|Cos=YRx=1/Rx, |Y'|=Ix/Vs
Rx=1/|Y'|Cos
Vs/Ix=Zc=1/2fCx ,
Cx=Ix/2fVs
Vs/Ix=ZL=2fLx ,
Lx=Vs/2fIx
|Y'|Sin=|Ycx|,Cx'Sin=Cx
Cx=Cx'Sin
(Cx'=Ix'/2fVs)
|Y'|Sin=|YLx|,Sin/Lx'=1/Lx
Lx=Lx'/Sin
(Lx'=Vs/2fIx')
2V
,
PCBIC
600fFIC10fF
1.
2.
3. ICT
5
REF
&P
OP
OP
Sheet2
Sheet3
b.(3UF) Vs
ICT
I/ODCACHP-JET()
( )
()()
:
X55X2525X55X55
/25
Short Group 1< 23 57 88 132 >
Short Group 2< 25 79 154 257 326 >
Short Group 3< 46 130 >
Short Group 4< 71 257 >
1 235788132
)
|Y'|Cos=YRx=1/Rx, |Y'|=Ix/Vs
Rx=1/|Y'|Cos
Vs/Ix=Zc=1/2fCx ,
Cx=Ix/2fVs
Vs/Ix=ZL=2fLx ,
Lx=Vs/2fIx
|Y'|Sin=|Ycx|,Cx'Sin=Cx
Cx=Cx'Sin
(Cx'=Ix'/2fVs)
|Y'|Sin=|YLx|,Sin/Lx'=1/Lx
Lx=Lx'/Sin
(Lx'=Vs/2fIx')
2V
,
PCBIC
600fFIC10fF
1.
2.
3. ICT
5
REF
&P
OP
OP
Sheet2
Sheet3
c.(3UF) Is,
/DATA1Vmeas=1/c idt=i*T/CDATA1T/DATA2Cx=a( i*T/(DATA2-DATA1))a
d.IC 0.7V0.3V.2V
e.PNBEBCCE(0.2V)B
f. : ,
g. IC ICHP-JETHPSMT ICBGAICICIC,PCBIC600fFIC10fF
. ICT ICIC
ICT1. a. PCB b.PCB c.PCB
2. a. b.
3. ICT a. ICT b. ICT c.
4. PCBa. PCB b. PCB
. ICT ICT1. SHORT FAILSHORT GROUP SHORT GROUPSHORT GROUP5 55SHORTSHORT GROUPSHORT GROUP5
2.OPEN FAILOPEN GROUP 13. 22. 25551325; 55115
3.a.9999.99Kb.c.5d.10PFe.9999.99F
f.9999.99Fg.2Vh.0Vj.IC2VHP-JET10fFk.IC0VHP-JET600fF
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