Keysight B1505A Configuration and Connection Guide 5-35
Connection Guide for Wafer Prober and Your Own Test Fixture
To Connect HVSMU Current Expander
Table 5-26 To Connect N1266A Input
CAUTION The GNDU can sink current of up to 4.2 A. Use 16493L GNDU cable to connect the
GNDU to the N1267A.
Do not use normal triaxial cable (16494A) because the maximum current rating of the
cable is 1 A.
Table 5-27 To Connect N1266A Output
CAUTION Never connect the HVSMU Force and Guard terminals and the HVMCU High terminal to
any output, including circuit common, chassis ground, or any other measurement resource
such as SMU. Connecting other measurement resource may damage the connected one.
B1505A terminals Required cables N1266A terminals
HVSMU
Force 16493T-001 HVSMU cable, 1.5 m
HVSMU
GNDU
16493L-001 GNDU cable, 1.5 m
GNDU
MCSMU
1
1. HCSMU is substitutable. Then use 16493S HCSMU cable, N1254A-103 adapter for Force, and
N1254A-517 adapter for Sense.
Force 16494A-001 Triaxial cable, 1.5 m
I Control
Force
Sense 16494A-001 Triaxial cable, 1.5 m Sense
MCSMU
1
Force 16494A-001 Triaxial cable, 1.5 m
V Control
Force
Sense 16494A-001 Triaxial cable, 1.5 m Sense
Digital I/O 16493G-001 Digital I/O connection cable, 1.5 m Digital I/O Input
Power cable, for connecting to power line LINE
N1266A
terminals
Required cables/Description Connect to
Low 16493L GNDU cable, N1261A-002 protection adapter and two
BNC(m) coaxial cables (N1254A-503 can be used), or N1261A-004
protection adapter and two SHV(plug) coaxial cables
Protection adapter is not required to connect to the N1258A,
N1259A, N1259A-300, or N1265A.
DUT low terminal
(ex: source)
High HV(plug) triaxial cable (N1254A-505 can be used). DUT high terminal
(ex: drain)
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