2-2 Keysight B1505A Configuration and Connection Guide
N1259A Connection Guide
This chapter describes the required information for connecting Keysight B1505A,
N1259A, and a device under test (DUT).
• "Input Connection"
• "Output Connection"
The N1259A is a test fixture used for measurements of packaged devices. The fixture can
be connected to GNDU, MFCMU, HP/MPSMU, HVSMU/HVMCU, and
HC/MC/DHCSMU. And the fixture has built-in GNDU protection adapter and built-in
HPSMU protection adapter. Also the fixture can install the module selector for switching
the measurement resource connected to the DUT, the high voltage R-box for reducing the
risk of device breakdown, and the high voltage bias-T for performing the high voltage
capacitance measurement. General specifications of the N1259A are listed below.
• Dimensions: 420 mm (W) 272 mm (H) 410 mm (D)
• Weight: 12.0 kg
• Maximum volt-amps, only for N1259A-300 module selector: 35 VA
WARNING To avoid electrical shock and instrument damage, turn the all instruments off before
connecting or disconnecting measurement cable.
WARNING There are potentially hazardous voltages of up to ± 3000 V (HVSMU), ± 2200 V
(HVMCU), ± 200 V (HPSMU), or ± 100 V (MPSMU) at the Force, Guard, and Sense
terminals. To prevent electrical shock, do not expose these lines.
WARNING To prevent electrical shock during use, connect the Interlock cable (see "To Connect
Interlock Circuit" on page 2-4).
WARNING The B1505A is heavy and requires a two person lift.
CAUTION Do not grab the fixture cover when lifting the N1259A.
CAUTION Never connect the Guard terminal to any output, including circuit common, chassis
ground, or any other guard terminal. Connecting anything may damage the module.
CAUTION Never connect the HVSMU Force and Guard terminals to any output, including circuit
common, chassis ground, or any other module terminal. Connecting other module may
damage the connected module.
NOTE Using Universal R-box and Universal Socket Module
The universal R-box and the universal socket module are the do-it-yourself kit for
installing a resistor you want or mounting a socket you want.
You need to prepare the hexlobe (torx type) screwdriver T-10 to remove the cover.
After installing a resistor or mounting a socket, reattach the cover. Do not use the universal
R-box and the universal socket module under the condition that the cover is removed.
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