Agilent 34980A Multifunction Switch/Measure Unit *34980-90005*
Agilent 34980A Multifunction Switch/Measure Unit *34980-90005*
Agilent 34980A Multifunction Switch/Measure Unit *34980-90005*
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<strong>Agilent</strong> <strong>34980A</strong> <strong>Multifunction</strong> <strong>Switch</strong>/<strong>Measure</strong> <strong>Unit</strong><br />
Mainframe User’s Guide<br />
1<br />
Introduction to the <strong>34980A</strong><br />
This chapter provides an overview of a computer- based<br />
data acquisition and measurement control system using the<br />
<strong>Agilent</strong> <strong>34980A</strong> <strong>Multifunction</strong> <strong>Switch</strong>/<strong>Measure</strong> <strong>Unit</strong> and<br />
typical plug- in modules.<br />
Data Acquisition Overview 2<br />
<strong>Measure</strong>ment Software 3<br />
Data Acquisition Circuitry 5<br />
Plug-In Modules 6<br />
System Cabling 6<br />
Transducers and Sensors 7<br />
Alarm Limits 7<br />
Signal Routing and <strong>Switch</strong>ing 8<br />
<strong>Switch</strong>ing Topologies 8<br />
Multiplexer <strong>Switch</strong>ing 8<br />
Matrix <strong>Switch</strong>ing 9<br />
General Purpose <strong>Switch</strong>ing 9<br />
RF and Microwave <strong>Switch</strong>ing 10<br />
<strong>Measure</strong>ment Input 11<br />
The Internal DMM 11<br />
Signal Conditioning, Ranging, and Amplification 11<br />
Analog-to-Digital Conversion (ADC) 12<br />
Main System Processor 12<br />
Scanning 13<br />
Scanning With External Instruments 14<br />
The Digital Modules 16<br />
Digital Input 16<br />
Totalizer 17<br />
Control Output 18<br />
The Digital Modules 18<br />
Digital Output 18<br />
Voltage (DAC) Output 19<br />
The Actuator / General-Purpose <strong>Switch</strong>es 20<br />
<strong>Agilent</strong> Technologies<br />
1
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