IEEE C63.4a-2017

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American National Standard for Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz Amendment 1: Test Site Validation

Published By	Publication Date	Number of Pages
IEEE	2017	62

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Description

Amendment Standard – Active. U.S. consensus standard methods are specified in Annex D of this amendment for validating standard test sites and alternative test sites used for measurement of radiated radio-frequency (RF) signals and noise emitted from electrical and electronic devices in the frequency range of 30 MHz to 1 GHz. In addition, various updates are made to equations in 4.5, Annex F, Annex G, and Annex N.

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PDF Pages	PDF Title
1	ANSI C63.4a-2017 Front cover
2	Title page
4	American National Standard Errata Interpretations (ASC C63® standards) Patents
8	Participants
10	Introduction
12	Contents
13	List of Tables and Figures
15	4.5 Antennas 4.5.1 General considerations 4.5.5 Electric field measurements (1 GHz to 40 GHz)
16	Annex D (normative) Validation of radiated emission test sites(30 MHz to 1 GHz) D.1 Theoretical NSA
17	D.2 NSA measurements D.2.1 General
18	D.2.2 Antenna
19	D.2.3 Measurement methods D.2.4 Single-position NSA measurements for standard test sites
20	D.2.5 Site acceptability criterion D.3 NSA for alternative test sites D.3.1 General
21	D.3.2 Antennas D.3.3 Measurement geometries
22	D.3.4 Reduced number of NSA measurement positions D.4 Site attenuation using discrete frequencies
23	D.5 Site attenuation using swept frequencies
24	D.6 Site attenuation deviations D.7 Theoretical NSA for an ideal site
25	D.8 Tables and figures for Annex D
53	Annex F(informative)Test procedure for emissions testing in TEM waveguides (30 MHz to 1 GHz) F.6 Test report F.6.1 TEM waveguide to OATS validation data
55	Annex G (informative) Sample OATS to TEM waveguide validation spreadsheet
57	Annex N (normative) Test site-specific hybrid antenna qualification procedures, limitations and acceptance criteria N.4 Test site-specific hybrid antenna qualification procedure N.4.3 Test setup and test procedure N.4.3.1 Test setup and test procedure for measurements made on 3 m test sites
58	N.4.3.2 Test setup and test procedure for measurements made on 10 m test sites
59	N.5 Acceptance criteria N.5.1 Criteria for hybrid antennas to be used at the 3 m measurement distance N.5.2 Criteria for hybrid antennas to be used at the 10 m measurement distance
61	Annex O (informative) Bibliography

Additional information

Standard Title	American National Standard for Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz Amendment 1: Test Site Validation
Published Code	IEEE
Publication Date	2017
Pages Count	62

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IEEE C63.4a-2017

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