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National Instruments 1191, 1192, SCXI-1190 Multiplexing to RF Sources

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Chapter2 Usingthe SCXI-119X

SCXI-1190/1191/1192User Manual 2-6 ni.com

Multiplexing to RF Sources

Figure 2-4 shows how to use the SCXI-1190/1191 to select one of four

RFsources to be routed to a RF m easurementdevice.

Figure2-4. Connectingthe SCXI-1190/1191

RFSource

RFMeasurement Device

•Scope

•SpectrumAnalyzer

•PowerMeter

NATIONAL

INSTRUMENTS

Contents

Main Page Important Information Warranty Copyright Trademarks WARNINGREGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS Compliance FCC/Canada Radio Frequency Interference Compliance* Determining FCC Class FCC/DOC Warnings Class A European Union - Compliance to EEC Directives Conventions Contents Page Installing and Configuring the SCXI-119X About the SCXI-119X Installing the Software Safety Instructions Installing the Hardware Unpacking Installing the SCXI-119XModule into an SCXI Chassis Page Connecting the SCXI-119Xto a DAQ Device or Computer-Based Instrument Page Connecting the SCXI-119Xto a DAQ Device in a PXI Combination Chassis Configuring and Self-Testing the SCXI-119X Auto-Detecting Modules Manually Adding Modules Self-TestVerification TroubleshootingSelf-Test Verification Page Removing the SCXI-119X Removing the SCXI-119Xfrom an SCXI Chassis Removing the SCXI-119Xfrom Measurement & Automation Explorer Using the SCXI-119X Functional Overview Page RF Switching Precautions Contact Protection Connecting Signals Multiplexing to RF Sources Figure2-4. Connectingthe SCXI-1190/1191 Figure2-5. Connecting the SCXI-1192 Expanding the RF Multiplexer Figure2-6. Expandingthe SCXI-1190/1191 Note Cascadingmultiplexers increases insertion loss, creates propagation delays, and can haveother RF effects. Chapter2 Usingthe SCXI-119X haveother RF effects. A Specifications SCXI-1190 Page Page Page SCXI-1191 Page Safety Certifications and Compliances CE Mark Compliance SCXI-1192 Page Safety B Common Questions Page C Technical Support Resources Web Support NI Developer Zone Customer Education System Integration Worldwide Support Glossary Symbols A C D H I M Page Page Index A B C D M N P Q R T V W