IPC-TM-650 EN 2022 试验方法1.pdf - 第626页

Figure 1 Curre nt Leakage T est Circuit Configu ration AC RECEPT ACLE FOR VOL TMET ER AC RECEPT ACL E FOR UUT BNC CONNECTOR FOR VOL TMET ER TEST ELECTRODE CARD EDGE CONNECTOR 1K RESISTOR MET A L BOX DIODES T O A C IPC-TM-…

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IPC-TM-650
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Figure 1 Current Leakage Test Circuit Configuration
AC RECEPTACLE
FOR VOLTMETER
AC RECEPTACLE
FOR UUT
BNC CONNECTOR
FOR VOLTMETER
TEST ELECTRODE
CARD EDGE
CONNECTOR
1K RESISTOR
METAL BOX
DIODES
TO AC
IPC-TM-650
Number
Subject Date
Revision
Page 3 of 5
Test Procedure Pass/Fail Criteria Value Recorded Status
Ground Measurements (2.5.33.1) 5 Pass Fail
Transient Measurements/Pass 1 (2.5.33.2)
2 V peak V Pass Fail
Transient Measurements/Pass 2 (2.5.33.2)
2 V peak V Pass Fail
Transient Measurements/Pass 3 (2.5.33.2)
2 V peak V Pass Fail
Current Leakage Measurements (2.5.33.3)
1.0 µ-amp DC µ-amp DC Pass Fail
Current Leakage Measurements (2.5.33.3)
1.0 µ-amp ACrms µ-amp ACrms Pass Fail
Equipment Function Brand Model Calibration Date
AC millivoltmeter true mvAC/rms
DC millivoltmeter 60 mv DC
Ohmmeter resistances beyond 5
M
Storage Oscilloscope 100 Mhz bandwidth or
faster, 1 M
input
vertical amplifier
Constant Current Source 10 milliamps DC
Equipment Scale Used Cal / Std Meas. Baseline Meas.
AC millivoltmeter
DC millivoltmeter
Ohmmeter
Storage Oscilloscope
Constant Current Source
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IPC-TM-650
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Subject Date
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