26 Keysight B1500A Connection Guide for Wafer Prober, Edition 1
Connection Guide for Wafer Prober
WGFMU and RSU
The following instructions apply when RF probes are used on Prober. Use a torque wrench
and an open-end wrench to fasten the SMA connectors.
CAUTION Using torque wrench and open-end wrench
For the RF measurements, it is important to carefully contact and fasten the connectors of
the RF cables. The condition of the cable connections may change the measurement result
characteristics. Therefore treat the RF cables carefully, especially the RF connectors, and
use the torque wrench and the open-end wrench when you fasten the RF connectors. The
recommended tools are listed in the Table 1-9.
CAUTION Using cable tie
Use a cable tie to secure the cables. Then, do not tug the cable tie. You must treat the RF
cables carefully to avoid the damage.
Table 1-9 Recommended Tools
Connect the following cables as shown in Figure 1-24. Use a torque wrench and an
open-end wrench to fasten the SMA connectors.
Figure 1-24 Connection of RF probe
Required accessories:
• RF prober, 2 ea.
• 16493R-302 SMA-SMA cable 200 mm length, 2 ea.
Procedure:
• Connect a SMA-SMA cable between a RSU (ex: RSU1) and the Drain RF probe. And
set the Drain RF probe to the appropriate place.
Keysight part number Description Additional Information
8710-1582 Torque wrench, 5lb
8710-1765 Torque wrench, 8lb
5185-2174 Open-end wrench, 5/16 inch
5188-4367 Open-end wrench, 11/32 inch
to Drain
to Gate
from RSU
16493R-302
1
from RSU
2
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