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Parameter
Ls
Ls
Short Impedance Repeatability Check
1. After the Short Impedance Check is completed, remove the Shorting Device and put it back
on the same place again.
2. Make a single sweep measurement with the same measurement conditions.
3. Read Ls value at 100 MHz and 1 GHz and check the value is within the Short Impedance
Value Guideline described in Table 4-8.
4. Calculate the di erence between the rst Ls measurement value and second Ls
measurement value at each frequency.
The guideline of the short impedance repeatability is as follows:
Parameter
Ls
Ls
Table 4-8. Short Impedance Value Guideline
Frequency
100 MHz
1 GHz
Table 4-9. Short Impedance Repeatability Guideline
Frequency
100 MHz
1 GHz
Guideline (absolute value)
6
3 nH
1 nH
6
3 nH
1 nH
Guideline (di erence)
6
45 pH
6
20 pH
Service
4-11
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