3-24
Keysight B1500A Configuration and Connection Guide
Connection Guide for Wafer Prober
WGFMU and RSU
3.5.3 Connecting DC Probes
The MOSFET contact pads for DC measurement shown in Figure 3-26, are more popular
than the RF contact pads shown in Figure 3-23. If device under test is configured with DC
contact pads, use DC probes instead of RF probes. The DC probes are better suited for
contact with the DC contact pads than the RF probes. See Figure 3-26 for the contact pads
and the DC proves.
Prepare four DC probes and three connection cables to connect the DC probes together.
• 50 mm length SSMC short-open cable (Furnished with B1500A-A3P. Or 16493R-101)
• 70 mm length SSMC short-open cable (Furnished with B1500A-A3P. Or 16493R-102)
• 200 mm length SMA-SSMC cable (Furnished with B1500A-A3P. Or 16493R-202)
Figure 3-26 DC probing connection on Prober
Table 3-11 Item number information for WGFMU with DC probing connection
Description Qty Option Number Retrofit Kit
WGFMU. Including two RSU. 1 B1500A-A30 B1500AU-030
3m cable between WGFMU and RSU (2ea) 1 B1500A-030 B1500AU-W02
SMA - SSMC cable (200mm) between RSU
and DC probe
2 B1500A-A3P 16493R-202
SSMC-SSMC cable (75mm) for current
return path
3 B1500A-A3P 16493R-102
Triaxial cable (3 m) [Optional] 2 16494A-002 B1500AU-T02
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