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5-4 Keysight B1505A Configuration and Connection Guide

Connection Guide for Wafer Prober and Your Own Test Fixture

Connection Overview

Connection image and requirements are shown in Table 5-1. Find and prepare required

accessories and cables, and install and connect them to make the measurement

environment. All available accessories are listed in Table 5-7.

CAUTION The GNDU can sink current of up to 4.2 A. Use 16493L GNDU cable to connect the

GNDU to the N1261A-002/004.

Do not use normal triaxial cable (16494A) because the maximum current rating of the

cable is 1 A.

NOTE Do not put any conductor on the HCSMU Low Force and Low Sense terminals, outer

conductor of the coaxial connectors. Putting conductor of circuit common, chassis ground,

or any potential on causes the measurement error.

NOTE Using Dual HCSMU (DHCSMU)

DHCSMU can be configured by two HCSMU modules installed in one B1505A and

connected to the 16493S-020 Dual HCSMU Kelvin combination adapter or the

16493S-021 Dual HCSMU combination adapter. See "To Connect Dual HCSMU Adapter"

for connection.

NOTE The B1505A needs to automatically detect and register the CMU cable type during boot

process.

NOTE The N1258A module selector has built-in GNDU protection adapter, built-in HPSMU

protection adapter, and built-in HCSMU Kelvin adapter. If you use the selector, you do not

need the N1261A and 16493S-010/011 for the modules connected to it. See Table 5-3.

CAUTION Never connect the UHVU High, HVMCU High, and HVSMU Force and Guard terminals

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.

CAUTION Never connect the UHVU Low terminal to any other measurement resource except for the

N1269A or N1265A-040 adapter. Connecting other measurement resource may damage

the connected one.

Keysight Technologies B1505A Configuration Guide

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