Keysight B1505A User’s Guide, Edition 12 3-27
Accessories
N1261A Protection Adapter
Adapter for protecting GNDU or HP/MPSMU module from high voltage. The
N1261A is used with the N1265A test fixture or a DUT interface such as your own
test fixture and prober station.
N1261A-001: HPSMU protection adapter, Triaxial(f)-Triaxial(f)
N1261A-002: GNDU protection adapter, Triaxial(f)-BNC(f)
N1261A-003: HPSMU protection adapter, Triaxial(f)-HV(jack)
N1261A-004: GNDU protection adapter, Triaxial(f)-SHV(jack)
• From HPSMU of N1261A-001 and 003
Force and Sense triaxial connectors. For connecting 16493K Kelvin triaxial
cable or 16494A triaxial cable from the HP/MPSMU.
• Output of N1261A-001
Triaxial connectors. 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 16494A triaxial cable to
connect N1265A test fixture. To connect other DUT interface, use high voltage
cable with Triaxial(m) connector, manipulators, and such.
Sense should be also extended to the DUT terminal. And Force and Sense
should be connected together at the device end for making the Kelvin
connection effective for low resistance and high current measurements.
• Output of N1261A-003
HV(jack) connectors. 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. For making the
connection, use high voltage cable with HV(plug) connector, manipulators, and
such.
Sense should be also extended to the DUT terminal. And Force and Sense
should be connected together at the device end for making the Kelvin
connection effective for low resistance and high current measurements.
• From GNDU of N1261A-002 and 004
GNDU triaxial connector. For connecting 16493L GNDU cable from the
GNDU.
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