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November 21, 2011

Mtg: Narrowband and Broadband Discrimination with a Spectrum Analyzer or EMI Receiver

by @ 2:29 pm. Filed under ALL, Electronics Design, Engineering Mgmt
 

TUESDAY December 13, 2011
SCV Electromagnetic Compatibility Chapter
Speaker: Werner Schaefer, Schaefer Associates
Time: Networking/light dinner at 5:30 PM; Presentation at 6:30 PM
Cost: none
Place: Applied Materials Bowers Cafeteria, 3090 Bowers Ave., Santa Clara
RSVP: not required
Web: ewh.ieee.org/r6/scv/emc

Spectrum analyzers and scanning receivers are widely used in EMI laboratories today.? Their use for measuring both narrowband and broadband signals requires specific understanding of certain instrument and signal characteristics in order to correctly interpret the displayed results.? Since both signal categories require a different interpretation of the result measured with a spectrum analyzer or EMI receiver, it is essential to know the characteristics of a signal in order to correctly determine its frequency and amplitude.? In some cases, the characteristics must be known, in order to select the correct limit for the determination of EUT compliance.? The measurement results displayed on these instruments are also dependent on some control settings, such as the sweep time and resolution bandwidth.? Their impact on the measurement of signal parameters, like frequency and pulse width, must be understood to avoid erroneous interpretations of measurement results.
The presentation will discuss methods for the discrimination between narrowband and broadband signals and will provide guidance for the proper operation of test instrumentation.

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