Intel mPGA604 Manual de usuario Pagina 25

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R
Electrical Requirements
mPGA604 Socket Design Guidelines 25
Figure 4-4. Inductance Measurement Fixture Cross-Section
No Plane on this Layer
Full Plane on this Layer
Socket
Interposer
Motherboard
40 mils
Probing Pads Surface
No Features or Plane
on this Layer
Interposer Pin
Short all L pins (using a solid plane)
Interposer Shoulder
Interposer
Short all L pins (using a solid plane)
Motherboard
No Features or
Plane on this Layer
Figure 4-5. Inductance and Capacitance Fixture
1
A
B
2
30
29
AD
AC
1
2
3
45
6
7
8
4.3.1 Design Procedure for Inductance Measurements
The measurement equipment required to perform the validation is:
1. Equipment - HP8753D Vector Network Analyzer or equivalent.
2. Robust Probe Station (GTL4040) or equivalent.
3. Probes - GS1250 & GSG1250 Air-Co-Planar or equivalent.
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