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Troubleshooting
This section includes the functional check procedure used to troubleshoot the 16192A Parallel
Electrode SMD Test Fixture.
Open Impedance Check
1. Adjust the electrode distance for connecting the 1
16191-29001).
(Refer to Figure 4-8.)
2. Place the xture on the calibrated APC-7
Analyzer.
3. Set the 4291B RF Impedance/Material Analyzer as follows:
Measurement Parameter
Start Frequency
Stop Frequency
OSC Level
Number of Point
Point Averaging Factor
Point Averaging
4. Perform a single sweep measurement.
5. Read Cp value at 100 MHz and 1 GHz.
The guideline for the open impedance value is as follows:
4-10
Service
Figure 4-8. Shorting Device Position
terminal of the 4291B RF Impedance/Material
R
Cp (parallel capacitance)
100 MHz
1 GHz
0.12 V
2
16
ON
2
2
1
2.4 mm Shorting Device (PN
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