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IEEE 139-1988

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

IEEE Recommended Practice for the Measurement of Radio Frequency Emission from Industrial, Scientific, and Medical (ISM) Equipment Installed on User\'s Premises
Available format(s)

PDF

Withdrawn date

03-30-2023

Language(s)

English

Published date

12-12-1988

1. Scope
2. Measurement Procedures
2.1 Establish the Objectives of the Measurements
2.1.1 Grouping ISM Equipment
2.1.2 Prototype Measurements
2.2 Physical Inspection of ISM Equipment
2.3 Determine Measurement Locations
2.4 Adjust the Equipment Under Test
2.5 Connect Equipment for Spectrum Measurements
2.5.1 Verify Equipment Use and Operation
2.5.2 Verify System Calibration
2.6 Determine the RF Spectrum
2.7 Measure Conducted Emission
2.8 Measure Radiated Emission
2.8.1 High Background Levels
2.8.2 Overhead Measurements
2.9 Calculate and Plot Data
3. Report of RF Field Measurements
4. Bibliography
APPENDIXES
A. Measurement System Characteristics
A.1 Antenna Selection
A.2 Detectors
A.3 Measurement System Sensitivity
A.4 Measurement System Bandwidth
B. Minimizing Measurement Errors
B.1 Antenna Problems
B.2 The Antenna Factor
B.3 Detector Problems
B.4 Data Collection and Processing Problems
B.5 Interface and Cable Errors
B.6 Impedance Mismatch
B.7 Baluns
APPENDIX TABLES
A.1 Antenna Selection
A.2 Minimum Bandwidth (-6 dB) of the Measurement
       System

This document describes equipment inspection and radio frequency (rf) electromagnetic field measurement procedures for evaluation of rf industrial, scientific, and medical (ISM) equipment installed in the user's facility.

Committee
Standards Development Committee
DocumentType
Standard
ISBN
978-0-7381-0577-2
Pages
20
PublisherName
Institute of Electrical & Electronics Engineers
Status
Withdrawn
Supersedes

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