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In this section:

Introduction .............................................................................. 2-1

Connection guidelines .............................................................. 2-1

PGU and PMU connectors ....................................................... 2-4

Model 4225-RPM ..................................................................... 2-5

Two-terminal device connections ........................................... 2-10

Three-terminal device connections ........................................ 2-12

Four-terminal device connections .......................................... 2-13

Pulse source-measure connections ....................................... 2-15

Using an adapter cable to connect pulse card to DUT ........... 2-16

Connections to prober or test fixture bulkhead connectors .... 2-16

RPM connections to DUT ....................................................... 2-17

PMU connection compensation .............................................. 2-20

Load-line effect compensation (LLEC) for the PMU ............... 2-24

Introduction

Proper connection methods are critical to perform stable and accurate measurements using the PMU,

with or without the RPM. The guidelines in this chapter help prevent pulse voltage overshoot and

oscillations.

You can use the Multi-measurement Prober Cable Kits (4210-MMPC) to connect the 4200A-SCS to

perform pulse I-V measurements. These kits help maximize signal fidelity by eliminating the

measurement errors that often result from cabling errors. The prober cable kits include:

• 4210-MMPC-C Multi-Measurement (I-V, C-V, Pulse) Prober Cable Kit for Cascade Microtech

12000 prober series

• 4210-MMPC-S Multi-Measurement (I-V, C-V, Pulse) Prober Cable Kit for SUSS MicroTec

PA200/300 prober series

• 4210-MMPC-L Multi-Measurement (I-V, C-V, Pulse) Prober Cable Kit for Lucas Signatone

probers

• 4210-MMPC-W Multi-Measurement (I-V, C-V, Pulse) Prober Cable Kit for Wentworth

Laboratories probers

Connection guidelines

The following guidelines describe PMU common connections, shield connections, cable length, high

frequency connections, and prober chuck connections for the PMUs and PGUs.

Section 2

Connections

Tektronix Keithley 4225-PMU User Manual

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