IPC-TM-650 EN 2022 试验方法1.pdf - 第456页

Figure 16 T est Fixture Construction, Older Design (Continued) IPC-TM-650 Page 24 of 25

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Figure 15 Test Fixture Construction, Older Design
IPC-TM-650
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Figure 16 Test Fixture Construction, Older Design (Continued)
IPC-TM-650
Page 24 of 25
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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