2602What are the typical equipment structures of new test instruments?

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2602What are the typical equipment structures of new test instruments? [Copy link]

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Andrew Armutat Product Marketing Keithley Instruments

Model 2602 Dual Channel System Source Meter [1]

Typical test equipment structure

When choosing production test equipment, it is helpful to consider the three broad categories of systems mentioned above:

uStand -alone / single channel IV solution

uParallel IV Test System

uMulti -channel system that can be freely combined

Standalone / single-channel [2] IV solutions - often suitable for applications that are not particularly cost-sensitive. In such applications, a slower source-measure architecture can be used. Multiple source-measure units ( SMUs ) can be used in conjunction with a switch matrix to form a multichannel system, but this configuration limits rack density and system throughput. In smaller systems, the SMU is typically controlled by a PC , either via GPIB [3] or external triggering. However, some of these systems have internal program memory that allows test sequences to be stored and executed without PC control, reducing thetraffic on the relatively slow GPIB interface. Often, when the SMU has no program storage capability or has limited program storage,it is necessary for the user to develop a test application (using SCPI [4] commands) to be executed from the PC .

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[1] 2602 http://www.keithley.com.cn/products/localizedproducts/currentvoltage/2602

[2] Single-unit / single-channel4299-1single rack mount kit with front and rear brackets http://www.keithley.com.cn/products/dcac/highspeedpower/programmable/?path=4299-1/RELPRD_4299-1

[3] GPIBIEEE-488/GPIBinterfacehttp://www.keithley.com.cn/products/accessories/ieee

[4] SCPI6517B,6517BElectrometer/High Resistance Meter http://www.keithley.com.cn/products/dcac/sensitive/lowcurrent/?mn=6517B

zhuoyue

Standalone/single channel IV solution Parallel IV test system Multi-channel system that can be freely combined