RE: Very unfortunate news

2007-07-17 Thread emc-p...@ieee.org 
My condolences to his family & friends.

Best Regards
Charles Grasso
Compliance Engineer
Echostar Communications Corp.
Tel: 303-706-5467
Fax: 303-799-6222
Cell: 303-204-2974
Pager/Short Message: 3032042...@vtext.com
Email: charles.gra...@echostar.com

From: emc-p...@ieee.org [mailto:emc-p...@ieee.org] On Behalf Of Derek
Walton
Sent: Tuesday, July 17, 2007 9:46 AM
To: Elliott Mac-FME001
Cc: emc-p...@ieee.org
Subject: RE: Very unfortunate news

Dang!

To think we were only chatting last week... My condolences to all his 
family, immediate and extended.

-- 
Derek N. Walton
Owner L F Research
www.lfresearch.com

Elliott Mac-FME001 wrote on 7/17/2007, 10:02 AM:

 > Same here - he will definitely be missed.
 >
 > My thoughts and prayers to his family and colleagues.
 >
 > Tragic news...
 >
 > Mac
 >
 > -Original Message-
 > From: emc-p...@ieee.org [mailto:emc-p...@ieee.org] On Behalf Of
Powell,
 > Doug
 > Sent: Tuesday, July 17, 2007 10:52 AM
 > To: emc-p...@ieee.org
 > Subject: Very unfortunate news
 >
 > All,
 >
 > Mike hart is a long time colleague in EMC work and friend.  See
below.
 >
 > -doug
 >
 > Douglas E. Powell
 > Senior Compliance Engineer
 > Corporate Product Compliance
 >
 > Advanced Energy Industries, Inc.
 > Fort Collins, Colorado USA 80525
 >
 >
 >
 > -Original Message-
 > From: Sales [mailto:sa...@server.quantumchange.com]
 > Sent: Monday, July 16, 2007 6:53 PM
 > To: Recipient list suppressed
 > Subject:
 >
 > It is with great sadness and heavy heart that we announce the death
of
 > the Founder and President of Quantum Change, Michael J. Hart, Sr.
Mike
 > was killed in a car accident on Friday, July 13th, while returning
home
 > from the EMC Symposium in Honolulu.
 >
 > Quantum Change is committed to the TILE! software product and its
 > future.  We appreciate your patience as we deal with this tragic
loss.
 >
 > Quantum Change, Inc.
 > sa...@server.quantumchange.com
 >
 > This message, including any attachments, may contain information that
is
 > confidential and proprietary information of Advanced Energy
Industries,
 > Inc.  The dissemination, distribution, use or copying of this message
or
 > any of its attachments is strictly prohibited without the express
 > written consent of Advanced Energy Industries, Inc.
 >
 >
 > -
 > 
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Phone: (815) 566 5655

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Job Opening, EMC Engineer - Austin, Texas

2007-07-17 Thread emc-p...@ieee.org 
I'm terminating employment and posting this to help fill this position.

Unofficial description (meaning it could change) based on my duties 
would be:

   Primary: Wireless approvals (FCC/ETSI, for example Part 15.247/249, 
and others...),
   And: DO-160, SAE/JDQ, MIL-STD, CE Mark, and anything out of the usual.

Please contact the employer ONLY:  http://www.ptitest.com/

I will be leaving regulatory testing (again), though I'll keep 
connected here to stay up to date as anything could happen.

Best Regards,
Eric Lifsey

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Re: Sound Level Regulations for Headphones

2007-07-17 Thread emc-p...@ieee.org 
In message <469d1afc.8010...@itesafety.com>, dated Tue, 17 Jul 2007, 
Robert Johnson  writes:

>Not sure where you got the idea it was limited to telecom devices. This 
>was intended for all the equipment currently covered by IEC 60950 and 
>60065.
>Requirements include labeling and instructional warnings which refer to 
>the need for caution while listening to music for long periods. 
>Additional quotes:
>
>   The objective of this clause is to provide protection against 
>hearing impairment
>   from excessive sound levels produced by electronic equipment.
>
>   The following shall be subjected to the requirement of Clause 11.4.2 
>08D0C9EA79F9BACE118C8200AA004BA90B020008000E005F005200650066
>00310036003500380030003200350031003500 :

What is that string for?

>   -    Equipment provided with an acoustic energy source output for 
>wired connection
>   to an acoustic output transceiver intended to be worn in, around, or 
>over the ears
>   (for example, earphones, headphones, ear implants, or earbuds) and;
>   -    Wireless acoustic output transceivers intended to be worn in, 
>around, or over
>   the ears (for example, earphones, headphones, ear implants, or 
>earbuds).

Yes, well, it's due to the confusion I explained. There will be attempts 
at recovering the situation.

I'm pretty sure that the figures quoted are about acoustic shock in its 
correct definition (i.e. transient very high level sounds, 'clicks'). 
There is a side-comment about audio sources, but no figures:

There are also voltage limits for audio sources.


Zealots are now using 'acoustic shock' to include long-term exposure, 
which is an abuse. Once zealots are involved, semantic accuracy goes out 
of the window, and not by accident.
-- 
OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk
There are benefits from being irrational - just ask the square root of 2.
John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK

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Re: Sound Level Regulations for Headphones

2007-07-17 Thread emc-p...@ieee.org 
Not sure where you got the idea it was limited to telecom devices. This was
intended for all the equipment currently covered by IEC 60950 and 60065.
Requirements include labeling and instructional warnings which refer to the
need for caution while listening to music for long periods. Additional quotes:



   The objective of this clause is to provide protection against hearing
impairment 
   from excessive sound levels produced by electronic equipment.


   The following shall be subjected to the requirement of Clause 11.4.2:
   -Equipment provided with an acoustic energy source output for wired
connection 
   to an acoustic output transceiver intended to be worn in, around, or over
the ears 
   (for example, earphones, headphones, ear implants, or earbuds) and;
   -Wireless acoustic output transceivers intended to be worn in, around,
or over 
   the ears (for example, earphones, headphones, ear implants, or earbuds).

Bob Johnson
ITE Safety  



John Woodgate wrote: 

In message  
<469d0939.2090...@itesafety.com>, dated Tue, 17 Jul 2007, Robert Johnson 
  writes: 



Of interest to you may be the IEC document 108/244/CD, part of the proposed
IEC 62368 hazard based standard likely to be published next year. 
It proposes limits of 118 dBA, up to 125 for handsets, 121 for inserted
earphones provided with the product, 136 for less than 0.5s, 130 under fault
conditions and 136 for less than 0.5s under fault conditions, measured using
parts of IEEE 269. There are also voltage limits for audio sources. 
Check with George Tsitsopoulos at your company for the complete text. 



This is about acoustic shock, high-level transients in telecomms terminals. It
is a totally different subject from the subject of high programmes signal
levels from portable players and exposure in clubs and the workplace.
Unfortunately, people unfamiliar with this subject have indeed often confused
them. It is NOT, as far as I know, controversial, although the 'traditional'
(i.e. dating from the days of the General Post Office) UK limit was 126 dB SPL
(not, IIRC, A-weighted, which is inappropriate at such levels anyway; the
ear's response is nearly flat, so C-weighting would be more relevant). 



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Re: Sound Level Regulations for Headphones

2007-07-17 Thread emc-p...@ieee.org 
In message <469d0939.2090...@itesafety.com>, dated Tue, 17 Jul 2007, 
Robert Johnson  writes:

>Of interest to you may be the IEC document 108/244/CD, part of the 
>proposed IEC 62368 hazard based standard likely to be published next 
>year.
>It proposes limits of 118 dBA, up to 125 for handsets, 121 for inserted 
>earphones provided with the product, 136 for less than 0.5s, 130 under 
>fault conditions and 136 for less than 0.5s under fault conditions, 
>measured using parts of IEEE 269. There are also voltage limits for 
>audio sources.
>Check with George Tsitsopoulos at your company for the complete text.

This is about acoustic shock, high-level transients in telecomms 
terminals. It is a totally different subject from the subject of high 
programmes signal levels from portable players and exposure in clubs and 
the workplace. Unfortunately, people unfamiliar with this subject have 
indeed often confused them. It is NOT, as far as I know, controversial, 
although the 'traditional' (i.e. dating from the days of the General 
Post Office) UK limit was 126 dB SPL (not, IIRC, A-weighted, which is 
inappropriate at such levels anyway; the ear's response is nearly flat, 
so C-weighting would be more relevant).
-- 
OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk
There are benefits from being irrational - just ask the square root of 2.
John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK

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Re: Sound Level Regulations for Headphones

2007-07-17 Thread emc-p...@ieee.org 
Of interest to you may be the IEC document 108/244/CD, part of the proposed
IEC 62368 hazard based standard likely to be published next year. 
It proposes limits of 118 dBA, up to 125 for handsets, 121 for inserted
earphones provided with the product, 136 for less than 0.5s, 130 under fault
conditions and 136 for less than 0.5s under fault conditions, measured using
parts of IEEE 269. There are also voltage limits for audio sources.
Check with George Tsitsopoulos at your company for the complete text.

Bob Johnson
ITE Safety  

Tyra, John wrote: 

Hello everyone, 

I know this topic comes up from time to time but I wanted to check if there is
any current information 

Does anyone have any information on European Legislation regarding sound
pressure levels for headphones? 

All I have been able to find is a French Legislation which mandates 100db for
a 150mV input. The legislation refers to the following standards for
measurement. EN 50332-1 and EN50332-2

 
http://www.legifrance.gouv.fr/WAspad/UnTexteDeJorf?numjo=SANP0524596A 

Any others anyone knows about? 

Any info is greatly appreciated. 

Regards, 

John 

John Tyra 
Manager Product Safety 

Bose Corporation 
The Mountain, MS-450 
Framingham, MA 01701-9168 

Phone: 508-766-1502 
Fax: 508-766-1145  

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Re: Sound Level Regulations for Headphones

2007-07-17 Thread emc-p...@ieee.org 
In message 
<5fbbf5414c43a54a83c9e27b5b5e8bc1049...@usmafrexmb01.bose.com>, dated 
Tue, 17 Jul 2007, "Tyra, John"  writes:

>Does anyone have any information on European Legislation regarding 
>sound pressure levels for headphones?
>
>All I have been able to find is a French Legislation which mandates 
>100db for a 150mV input.

I don't know about the 150 mV, but the 100 dB SPL is right.

>The legislation refers to the following standards for measurement. EN 
>50332-1 and EN50332-2

Yes: the French started this stunt several years ago - steamrollered it 
through CENELEC and then found that without a Directive to back it up, 
it was useless. There can't be a Directive, because the EU can't 
legislate on public health matters (RoHS scrapes through because workers 
could be exposed to toxins).

But then they found that the Low Voltage Directive includes 'radiation', 
which was originally X-rays from CRTs by has been interpreted to cover 
all 'radiation', not only EMF but sound as well!

The whole concept is technically unsound. There is a pressure-group in 
the Netherlands trying to get those ENs called up in EN 60065 and EN 
60950, so compliance would become compulsory. So far, they haven't won.

In UK, we think that the effects of ALL loud sounds need to be brought 
to public attention, and people taught to avoid them. Clubs and noise at 
work are **at least** as significant as personal players. See, for 
example:

http://www.acousticsafety.org/?

http://www.dontlosethemusic.com/home/

-- 
OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk
There are benefits from being irrational - just ask the square root of 2.
John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK

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Sound Level Regulations for Headphones

2007-07-17 Thread emc-p...@ieee.org 
Hello everyone, 

I know this topic comes up from time to time but I wanted to check if there is
any current information 

Does anyone have any information on European Legislation regarding sound
pressure levels for headphones? 

All I have been able to find is a French Legislation which mandates 100db for
a 150mV input. The legislation refers to the following standards for
measurement. EN 50332-1 and EN50332-2

 
http://www.legifrance.gouv.fr/WAspad/UnTexteDeJorf?numjo=SANP0524596A 

Any others anyone knows about? 

Any info is greatly appreciated. 

Regards, 

John 

John Tyra 
Manager Product Safety 

Bose Corporation 
The Mountain, MS-450 
Framingham, MA 01701-9168 

Phone: 508-766-1502 
Fax: 508-766-1145  


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RE: Very unfortunate news

2007-07-17 Thread emc-p...@ieee.org 
Dang!

To think we were only chatting last week... My condolences to all his 
family, immediate and extended.

-- 
Derek N. Walton
Owner L F Research
www.lfresearch.com

Elliott Mac-FME001 wrote on 7/17/2007, 10:02 AM:

 > Same here - he will definitely be missed.
 >
 > My thoughts and prayers to his family and colleagues.
 >
 > Tragic news...
 >
 > Mac
 >
 > -Original Message-
 > From: emc-p...@ieee.org [mailto:emc-p...@ieee.org] On Behalf Of Powell,
 > Doug
 > Sent: Tuesday, July 17, 2007 10:52 AM
 > To: emc-p...@ieee.org
 > Subject: Very unfortunate news
 >
 > All,
 >
 > Mike hart is a long time colleague in EMC work and friend.  See below.
 >
 > -doug
 >
 > Douglas E. Powell
 > Senior Compliance Engineer
 > Corporate Product Compliance
 >
 > Advanced Energy Industries, Inc.
 > Fort Collins, Colorado USA 80525
 >
 >
 >
 > -Original Message-
 > From: Sales [mailto:sa...@server.quantumchange.com]
 > Sent: Monday, July 16, 2007 6:53 PM
 > To: Recipient list suppressed
 > Subject:
 >
 > It is with great sadness and heavy heart that we announce the death of
 > the Founder and President of Quantum Change, Michael J. Hart, Sr.  Mike
 > was killed in a car accident on Friday, July 13th, while returning home
 > from the EMC Symposium in Honolulu.
 >
 > Quantum Change is committed to the TILE! software product and its
 > future.  We appreciate your patience as we deal with this tragic loss.
 >
 > Quantum Change, Inc.
 > sa...@server.quantumchange.com
 >
 > This message, including any attachments, may contain information that is
 > confidential and proprietary information of Advanced Energy Industries,
 > Inc.  The dissemination, distribution, use or copying of this message or
 > any of its attachments is strictly prohibited without the express
 > written consent of Advanced Energy Industries, Inc.
 >
 >
 > -
 > 
 > This message is from the IEEE Product Safety Engineering Society
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 >
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 >
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 >
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 >
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Phone: (815) 566 5655

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RE: Very unfortunate news

2007-07-17 Thread emc-p...@ieee.org 
Same here - he will definitely be missed. 

My thoughts and prayers to his family and colleagues. 

Tragic news...

Mac


From: emc-p...@ieee.org [mailto:emc-p...@ieee.org] On Behalf Of Powell,
Doug
Sent: Tuesday, July 17, 2007 10:52 AM
To: emc-p...@ieee.org
Subject: Very unfortunate news

All,

Mike hart is a long time colleague in EMC work and friend.  See below.

-doug

Douglas E. Powell
Senior Compliance Engineer
Corporate Product Compliance

Advanced Energy Industries, Inc.
Fort Collins, Colorado USA 80525

 


From: Sales [mailto:sa...@server.quantumchange.com]
Sent: Monday, July 16, 2007 6:53 PM
To: Recipient list suppressed
Subject: 

It is with great sadness and heavy heart that we announce the death of
the Founder and President of Quantum Change, Michael J. Hart, Sr.  Mike
was killed in a car accident on Friday, July 13th, while returning home
>from the EMC Symposium in Honolulu.

Quantum Change is committed to the TILE! software product and its
future.  We appreciate your patience as we deal with this tragic loss.

Quantum Change, Inc.
sa...@server.quantumchange.com

This message, including any attachments, may contain information that is
confidential and proprietary information of Advanced Energy Industries,
Inc.  The dissemination, distribution, use or copying of this message or
any of its attachments is strictly prohibited without the express
written consent of Advanced Energy Industries, Inc.


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Very unfortunate news

2007-07-17 Thread emc-p...@ieee.org 
All,

Mike hart is a long time colleague in EMC work and friend.  See below.

-doug

Douglas E. Powell
Senior Compliance Engineer
Corporate Product Compliance

Advanced Energy Industries, Inc.
Fort Collins, Colorado USA 80525

 


From: Sales [mailto:sa...@server.quantumchange.com] 
Sent: Monday, July 16, 2007 6:53 PM
To: Recipient list suppressed
Subject: 

It is with great sadness and heavy heart that we announce the death 
of the Founder and President of Quantum Change, Michael J. Hart, 
Sr.  Mike was killed in a car accident on Friday, July 13th, while 
returning home from the EMC Symposium in Honolulu.

Quantum Change is committed to the TILE! software product and its 
future.  We appreciate your patience as we deal with this tragic loss.

Quantum Change, Inc.
sa...@server.quantumchange.com

This message, including any attachments, may contain 
information that is confidential and proprietary information 
of Advanced Energy Industries, Inc.  The dissemination,
distribution, use or copying of this message or any of its
attachments is strictly prohibited without the express 
written consent of Advanced Energy Industries, Inc.


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RE: Lab accreditation - DoC for FCC Part 15

2007-07-17 Thread emc-p...@ieee.org 
Peter, what Dennis is saying is correct, there is presently no MRA on EMC
between India and the US (regardless of the APLAC signatures) and
accredited labs in both countries cannot have their reports accepted by the
other country until that government to government MRA is generated. The
list that Grace Lin issued is the current status of the US government to
government MRAs.

Bob Heller
3M EMC Laboratory, 76-1-01
St. Paul, MN 55107-1208
Tel:  651- 778-6336
Fax:  651-778-6252
==


   
 "Tarver, Peter"   
   To 
 Sent by:   
 emc-p...@ieee.org  cc 
   
   Subject 
 07/16/2007 04:47  RE: Lab accreditation - DoC for FCC 
 PMPart 15 
   
   
   
   
   
   




> From: Dward
> Sent: Monday, July 16, 2007 2:21 PM
>
> Sorry
> The actual question was can a lab accredited by an accreditor
> having an MRA with either NVLAP or A2LA do a DoC for the US.
> Still the answer would seem to be no as there is no MRA
> between the US and the country stated.

So, you're suggesting that the MRA explicitly mentioned on APLAC's web
site, which includes a US governmental body (NVLAP) as signatory, was
made before a treaty is in place.  This is heady stuff and I urge you to
report this to the State Dept. pronto.

But before you do, maybe you should look at:

http://tcc.export.gov/Trade_Agreements/All_Trade_Agreements/exp_002700.a
sp

and

http://tcc.export.gov/Trade_Agreements/Exporters_Guides/List_All_Guides/
exp_002702.asp


Regards,

Peter L. Tarver, PE
ptar...@ieee.org

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RE: South Korea conducted RF immunity requirements?

2007-07-17 Thread emc-p...@ieee.org 
It is identical
 
 

  _  

From: emc-p...@ieee.org [mailto:emc-p...@ieee.org] On Behalf Of Joe Randolph
Sent: 16 July 2007 21:58
To: Emc-Pstc
Subject: South Korea conducted RF immunity requirements?


Hello All:

I had the impression that South Korea imposes a conducted RF immunity test
that is either identical to or substantially similar to the one in EN 55024 (3
VRMS, 150 KHz to 80 MHz), which calls out IEC 61000-4-6 for the test procedure.

I would appreciate it if someone could clarify how the South Korean test
compares to the one in EN 55024.  If the requirements are posted somewhere on
the Internet I would appreciate getting a link to them.


Thanks,



Joe Randolph
Telecom Design Consultant
Randolph Telecom, Inc.
781-721-2848 (USA)
j...@randolph-telecom.com
http://www.randolph-telecom.com  
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