IPC-TM-650 EN 2022 试验方法1.pdf - 第481页

Figure 5-9 Cal ibration of Incid ent Step Amplit ude t 1,TL TIME i,0 AIRLINE PROBE SPD TDR INSTRUMENT std,0 open PRECISION RF CABLE i,std f,std MEASUREMENT ZONE for AIR LINE Figure 5-10 TDR Measurement of Tr ansmission L…

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Figure 5-7 Calibration of Transfer Standard
TIME
TDR
INSTRUMENT
SPD
TRANSFER
STANDARD
AIRLINE
PRECISION
RF CABLE
MEASUREMENT ZONE
for REFERENCE LINE
i,Ref
f,Ref
MEASUREMENT ZONE
for AIR LINE
f,std
i,std
Figure 5-8 TDR Measurement of Transmission Line Under Test
TDR
INSTRUMENT
SPD
TRANSFER
STANDARD
TIME
MEASUREMENT ZONE
for TRANSMISSION
LINE UNDER TEST
TRANSMISSION LINE UNDER TEST
PRECISION
RF CABLE
MEASUREMENT ZONE
for TRANSFER STANDARD
i,Ref
f,Ref
i,TL
f,TL
IPC-TM-650
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Figure 5-9 Calibration of Incident Step Amplitude
t
1,TL
TIME
i,0
AIRLINE
PROBE
SPD
TDR
INSTRUMENT
std,0
open
PRECISION
RF CABLE
i,std
f,std
MEASUREMENT ZONE
for AIR LINE
Figure 5-10 TDR Measurement of Transmission Line
MEASUREMENT ZONE
for TRANSMISSION LINE UNDER TEST
TRANSMISSION LINE UNDER TEST
AIRLINE
PROBE
PRECISION
RF CABLE
MEASUREMENT ZONE
for AIR LINE
i,std
f,std
TDR
INSTRUMENT
SPD
TIME
i,TL
f,TL
IPC-TM-650
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Figure 5-11 Calibration for Stored Reference Method
AIRLINE
PROBE
SPD
TDR
INSTRUMENT
std,0
open
PRECISION
RF CABLE
V
check,0
f,std
i,std
MEASUREMENT ZONE
for AIR LINE
t
1,TL
TIME
i,0
IPC-TM-650
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