Keysight B1505A Configuration and Connection Guide 5-43
Connection Guide for Wafer Prober and Your Own Test Fixture
To Connect Gate Charge Adapter
To Connect Gate Charge Adapter
Keysight B1505A supports the following two adapters for on-wafer gate charge
measurement.
• N1274A On-Wafer Gate Charge Measurement Adapter/Selector for 20 A/3 kV
• N1275A On-Wafer Gate Charge Measurement Adapter for N1265A
Table 5-34 To Connect N1274A Input
N1258A terminals Required cables Input terminals
High Force N1274-61721 HV coaxial cable, 35 cm (furnished in the
N1274A)
High Force
Sense N1274-61720 HV triaxial cable, 35 cm (furnished in the
N1274A)
Sense
Low Force B1512-61741 BNC cable, 30 cm (furnished in the N1274A) Low Force
Sense B1512-61741 BNC cable, 30 cm (furnished in the N1274A) Sense
External Relay
Control Output
N1274-61722 D-sub 15 pin cable (furnished in the N1274A) Relay Control Input
B1505A terminals Required cables Input terminals
MCSMU Force 16494A Triaxial cable, 1.5 m, 1 ea. Current
Control
Force
Sense 16494A Triaxial cable, 1.5 m, 1 ea. Sense
MCSMU or
HC SMU
Force 16494A Triaxial cable, 1.5 m, 1 ea. DUT Gate
Control
Force
Sense 16494A Triaxial cable, 1.5 m, 1 ea. Sense
High Sense
Low Sense
Gate Sense Force Sense
High
Input From N1258A
Low
Force
Relay Control Input
Low ForceHigh Force
Signal
Guard
Circuit
Common
Output
±3 k V Max
±3 k V Max±10 V Max
Signal
Circuit
Common
N1274A
On-Wafer Gate Charge Measurement Adapter / Selector
Sense Force
MCSMU
Sense Force
MCSMU/HCSMU
Current Control DUT Gate Control
±30 V Max
Input From B1505A