1. Guide Strawman Approach 27 April 2017
American National Standard Guide for Best Practices for Electromagnetic Compatibility ANSI PC63.28
Guide Strawman Approach
27 April 2017
ANSI C63® , SC2

2. Best Practice - ANSI PC63.28 PINS Title: Project Need:
American National Standard Guide for Best Practices for Electromagnetic Compatibility
Project Need:
This guide provides comparisons of best practices that, based on past successes in a wide variety of settings and performed consistently, result in better performance, lower costs, and higher quality products with respect to EMC compliance.
ANSI C63®, SC2

3. Best Practice - ANSI PC63.28 PINS (continued) Stakeholders:
Commercial Equipment Manufacturers, US Department of Defense, EMC Test Laboratories
Scope Summary:
This guide provides best practices for EMC design of electrical equipment developed for commercial and military applications. It provides detailed comparisons of EMC requirements delineated in major national and international commercial and military standards. Differences in limits, frequency ranges, and procedures are compared and their relative significance to EMC design is assessed which may provide a basis for quality acceptance of equipment to reduce the cost and need of additional testing.
ANSI C63®, SC2

4. General Contents Description of EMC Requirements
US Commercial: FCC, C63
US Military: MIL-STDs
International EMC Standards (Commercial, Military)
Approach to choosing EMC requirements
Equipment type, intended use, and environment
Flow chart of EMC requirement selection
Impact of choice on EMC Design
EMC Design Considerations
Comparison of EMC Standards
US Military vs. Commercial1
Gap analysis and risk assessment for use of equipment developed / EMC tested for Commercial use for Military
1. Level of detail for comparison of Military and Commercial EMC Standards TBD
ANSI C63®, SC2

5. Table of Contents ANSI C63®, SC2 Overview Normative references
Scope
Purpose and application
Normative references
Definitions, acronyms, and abbreviations
Definitions
Acronyms and abbreviations
EMC requirements and standards
Military
US and NATO
Commercial
C63 standards
Other national/international EMC standards
EMC requirement selection process
Approach (to include requirements flow chart)
Factors
Environment and intended use
Equipment type
Impacts
Design to meet EMC requirements
EMC standard comparisons
US Military and Commercial
Commercial National and International
ANSI C63®, SC2

6. General EMC Requirements
First Guide revision to focus on US Military and Commercial EMC Standards
Military Standards: MIL-STD 461G, MIL-STD 464C
Military Handbooks: MIL-HDBK 235C
Commercial EMC Standards to be considered will be General Non-Product Specific
US National and International (e.g. C63, FCC, DO-160, IEC Series)
Military EMC Standards will focus on US, but will also review NATO STANAGS (i.e. AECTP 250/500 Series)
ANSI C63(r), SC2

7. EMC Requirements Selection
EMC requirements selection driven by Equipment:
Application/Use
Type
Environment (e.g. MIL-HDBK 235)
Requirements selection process to be outlined in a flow chart
May be single combined process or separate processes for Military and Commercial TBD
Tailoring requirements for Military applications may be covered at high level
Tailoring for Commercial applications?
ANSI C63(r), SC2

8. EMC Design High level overview of EMC design to meet EMC requirements
Key design elements that are driven by EMC requirements
Shielding
Grounding
Bonding
Filtering
References for EMC design to be listed (e.g. EMC Engineering by Henry Ott)
ANSI C63(r), SC2

9. Comparison of Standards
First guide revision of comparison study will focus on review of US MIL-STD-461G vs general Commercial EMC standards listing relevant EMC test methods available (e.g. radiated emissions, conducted/radiated susceptibility) at high level (e.g. frequencies)
C63 Standards vs US Military Standards vs. Other Commercial (e.g. 461/464/1399, IEC 61000)
Follow-on revision comparison studies will evaluate detailed differences (i.e. procedures, limits) between MIL-STD-461G test methods vs general Commercial EMC standards and discuss impact, and expand comparisons between Commercial EMC standards
ANSI C63(r), SC2

10. Gap Analysis and Risk Assessment
High level gaps will be identified between MIL-STD 461G and general Commercial EMC Standards
EMC risk assessment process/methodology will be outlined for use of Commercially developed items for Military use
Case study similar to Terma Scanter Radar Example in future revisions of guide. Reference to case study during first guide revision.
References for standards comparisons and risk analysis:
ENGINEERING PRACTICE STUDY, Results Of Detailed Comparisons Of Individual EMC Requirements And Test Procedures Delineated In Major National And International Commercial Standards With Military Standard MIL-STD-461E, Dated 2 March 2001
COTS E3 Working Group Final Report, Dated May 2011
ANSI C63(r), SC2

11. Flow Diagram Begin with EPS study flow as a basis
Include application, operational EME, key design elements, tests
Determine if gaps exist and identify potential risk
ANSI C63®, SC2