Dear Simon,

Thanks for this helpful information.  I'll keep this on file for future
reference.

Rick


-----Original Message-----
From: Rate, Simon [mailto:[email protected]]
Sent: Thursday, May 13, 1999 1:20 PM
To: 'Rick Loiselle'; 'Brian Greaney'; EMC-Safety (E-mail)
Subject: RE: Car Audio Amplifiers


Dear Rick, Brian
 
I would question the applicability of EN 55022, and the EN 61000 series
standards to Car Audio Equipment.
 
In a former life I was involved in After Market Vehicle Security Systems
approvals in the UK.  Standards applicable a few years ago to the vehicle
environment were:
 
ISO TR 10605  Vehicle ESD
ISO 11452  Vehicle Component Immunity
ISO 7637 Vehicle Component Transients
CISPR 25  Emissions limits for protection of receivers
CISPR 12 Emissions limits for vehicles
 
Recently, the EMC requirements for vehicle equipment in Europe were modified
by the introduction of EU Directive 95/54/EC, the "Vehicle EMC Directive" 
This now in force, but there are some transitionary arrangements.
 
I have always found RFI Ltd.  www.rfi.co.uk  a very reliable source of
information in this area.
 
Yours sincerely,
 
Simon Rate,
Engineering Manager, Product Safety
Gateway 2000 Inc.
 
 -----Original Message-----
From: Rick Loiselle [mailto:[email protected]]
Sent: Thursday, May 13, 1999 8:59 AM
To: 'Brian Greaney'; EMC-Safety (E-mail)
Subject: RE: Car Audio Amplifiers



Brian, 

I've been receiving a lot of helpful information from this Forum over the
years, so I thought I'd try to return the favor.

Here are some "after-market product" Car Audio Amplifier requirements, that
I collected along the way: 

Domestic: 
SAE-J1113 (August 1987) Electromagnetic Susceptibility Procedures for
Vehicle Components 
SAE-J1455 (1988-01) Recommended Environmental Practices for Electronic
Equip. 
HS-3600 (1997 Edition) Surface Vehicle EMC Standards Manual 

International: 
EN55022 Emissions (Radiated & Conducted) 
EN 61000-4-2 ESD 
EN 61000-4-3 RFI 
EN 61000-4-6 CRFI 

The above list may not be complete, but at least it will get you started. 

If you are selling "directly" to an automotive manufacturer, then you will
have to contact them and find out the requirements.  I heard they have their
own "extended" set of own regulations.

I ordered my standards from Conformity (978) 486-0888. 

Best Regards, 
Rick 


  

-----Original Message----- 
From: Brian Greaney [ mailto:[email protected]] 
Sent: Thursday, May 06, 1999 6:38 PM 
To: EMC-Safety (E-mail) 
Subject: Car Audio Amplifiers 


To All; 

Does anyone out there know what EU Directives, EMC and Safety standards 
would apply to a Audio Amplifier intended to be used in an automobile? 

Thanks in advance. 

Regards, 

Brian A. Greaney 
Senior Engineer 
NEMKO Compliance West 
(619) 755-5525 x206 
[email protected] 


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