3-56 Keysight B1505A User’s Guide, Edition 12
Accessories
• Power indicator
This LED turns yellow when the AC power is applied to the N1266A.
This LED turns green when the N1266A is ready to use.
• Status indicator
A green LED lights to indicate the measurement resource ready to use.
HVMC High voltage medium current unit (HVMCU)
HVSMU High voltage source/monitor unit (HVSMU)
• Output High
HV(jack) connector. Force must be extended to a terminal of a DUT. Guard
must be opened but should be extended as close as possible to the device
terminal for reducing the leakage current of the extension cable. Use 16493T
HVSMU cable to connect test fixture or adapter.
To connect prober, use high voltage triaxial cable with HV(plug) connector,
manipulator, and such.
CAUTION Never connect 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.
•Output Low
Triaxial connector. Force and sense must be extended to a terminal of a DUT
and connected together at the device end. Use 16493L GNDU cable to connect
test fixture or adapter.
To connect prober, use N1261A-002/004 protection adapter and a cable with
BNC(m) or SHV(plug) connector, manipulator, and such.
• Input HVSMU
HV(jack) connector. For connecting 16493T HVSMU cable from the HVSMU.
• Input GNDU
Triaxial connector. For connecting 16493L GNDU cable from the GNDU.
• Input V Control Force and Sense
Triaxial connectors. For connecting 16494A triaxial cables from Force and
Sense connectors of the MCSMU. HCSMU is substitutable. Then use 16493S
HCSMU cable, N1254A-103 adapter for Force, and N1254A-517 adapter for
Sense.
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