run while the integrated radio transmitter is transmitting, and all the
emissions in the frequency bands of intended transmissions and those
harmonics should be simply ignored.
What do you think about this?
Regards,
Tom
--
Tomonori Sato
URL: h
May 11th (1999) - IEEE SCV EMC Chapter Meeting.
Topic
-
"SFSU Recent Research Projects"
Moderator: Dr. Zorica Pantic-Tanner
Director, School of Engineering
San Francisco State University
Where
-
7:30 pm - 9:00 pm, Auspex, 2300 Central Expressway, Bldg. A, Santa Clar
e question of which "English" is the official
>language
>> of the EU, British (Cambridge) English? I suspect that Brits,
>Aussies and
>> Americans will all have no trouble understanding one another, even
>with
>> differences in spelling, grammar and possibly id
Whoops! Good points made by Adam Rudd & Tom Sato. They give valid support
for using the EN version standards in contrast to the IEC versions.
I have the BS EN 55024:1998 CISPR 24:1997 incorporating Amendments Nos. 1 and
2. This BSI version does not have an "Endorsement Notice"
v't owns a large % of some American car companies could the
> NHTSA motives be less than pure?
> Conspiracy theorist will run wild with this one...
>
>
> -Original Message-
> Subject: Agency Probes Gas Pedals' Link to EMI
>
> This might be of in
when a national authority required technical
documentation some years after DoC had been issued.
Regards,
Tom
Tomonori Sato
URL: http://homepage3.nifty.com/tsato/
-
This message is from the IEEE Product Safety Engineering Society emc-pstc
discussion list. To post a message to
rers, supplis low dielectric
tables which seems MOSTLY made from foam material:
http://www.ets-lindgren.com/LDT
We made our test table from cheaper and readily available Styrofoam boards.
Regards,
Tom
--
Tomonori Sato mailto:vef00.
lign them with NLF, all the new approach directives which were >
> not aligned with NLF were/will be updated even if no other changes > were
> necessary. > > For some directives such as R&TTED (RED), other significant
> changes &
ody else) may say something for
electromagnetic immunity of such machinery as those malfunction can cause
injury or death, but could find nothing about such requirements.
Regards,
Tom
--
Tomonori Sato mailto:vef00...@nifty.ne.jp>>
tem in the case,
too.
However, even if VDU is part of the EUT, "Scrolling Hs" is described in
CISPR 22:2008 Annex G which is infomative, and the annex is deleted in
EN 55022:2010.
In the case of BSMI, they have lot of local rules which are difficult to
know.
Regards,
Tom
> -Mess
l the would- be merchandise. Pretty impressive.
I was working in private sector lab when this happened - the article was a
great sales tool with customers who balked at the expense of doing all that
testing...
Tom Cokenias
T.N. Cokenias Consulting
P.O. Box 1086
El Granada CA 94018
On Mar 29,
Sent: Monday, February 25, 2013 2:45 PM
To: EMC-PSTC
Cc: Thomas M Burke
Subject: Ecma TR-106 available
Posted on behalf of Tom Burke, UL:
More good news for those seeking to learn more about IEC 62368-1 as the ICT
Industry prepares for the eventual transition from IEC 60950-1 (and IEC 60065)
t
radiated emissions for
> intentional radiators (transmitters). At these frequencies you would be
> allowed 200 uV/m at 3m, not much but you aren't allowed higher power until
> you get to 902-928 MHz band.
>
> best regards
>
> Tom
>
> On Mar 12, 2013, at 12:28 P
Hi Binayak
Your product is used and sold for use in the non-residential/industrial
environment only, so your product is class A and requires verification only,
even though it could be connected to a class B computer as a peripheral
best regards
Tom Cokenias
On Aug 22, 2013, at 11:48 AM
in lieu of the latest edition of ANSI C63.4."
Regards,
Tom
--
Tomonori Sato
URL: http://homepage3.nifty.com/tsato/
> From: Ian McBurney [mailto:ian.mcbur...@allen-heath.com]
> Sent: Tuesday, September 17, 2013 10:35 AM
> To: EMC-PSTC@LISTSERV.IEEE.ORG<mailto:EMC-PSTC@LIS
term "single-phase LISNs" here.
Is it LISNs commonly used for single-phase AC supply?
Or is it LISNs for an single power supplying conductor?
Regards,
Tom
-
This message is from the IEEE Product Safety Engineering Society
em
ANSI C63.4-2003 requires antenna to pointed
> at the source of emission both in azimuth and elevation (i.e., boresight
> is required).
> Maybe it seems reasonable, but I think it can be a time consuming process
> to conduct the test strictly as specified in the standard, especially for
dustry, peace, and happiness, of
>cultivating general friendship, and of bringing collisions of interest
>to the umpirage of reason rather than of force."
Yes. well, some of us in Europe agree with Tom and use this forum to try
to initiate our former colonial cousins into the mysteries o
rmity of the superseded standard'' as published
in the OJ for the directive.
If you are not sure, maybe you can find the explanation in CENELEC Guide 25.
Regards,
Tom
-
This message is from the IEEE Product Safety Engineering Society
emc-pstc discussion list.Website: ht
anyone here have information related to this issue?
Regards,
Tom
Tomonori Sato
URL: http://homepage3.nifty.com/tsato/
-
This message is from the IEEE Product Safety Engineering Society
emc-pstc discussion list.Website: http://www.ieee-pses.org/
To post a message to the list, send your
se
1, they wrote:
Enforcement of upper limits of conducted disturbance at the
telecommunication
ports is under consideration.
Regards,
Tom
Tomonori Sato
URL: http://homepage3.nifty.com/tsato/
-
This message is from the IEEE Product Safety Engineering Society
emc-pstc discussion lis
product meets Class B" as
Benoit mentioned. Please note the different labeling requirements between
Class A and Class B equipment as Tom pointed out. An example is for the
information to the user as stated at FCC 15.105
(http://a257.g.akamaitech.net/7/257/242
/13nov20061500/edocket.access.
this list. I have for years never to seek out the reference
and it is now time to hear from you quote the chapter and 'verse' where the
FCC state that these are exempted
sincerely, :-)
Tim Foo
"Sykes, William Thomas (Tom)" wrote on 08/05/2004 07:27
AM
All:
Please refer to
should we
> determine the expected level?
>
> Can we simply extrapolate the data at, for example, 3m, 6m and 10m
> to determine the expected level at 300m or 1600m?
> I think such extrapolation can cause quite large error in the result.
>
> Does anybody here
know if you plan to attend. Announcement of this meeting will
NOT appear in SCANFAX so please spread the word to your colleagues!
RSVP : Tom Brenner - 847/ 537-6400 tbren...@dlsemc.com or
Ken Thomas - 262/ 331-4454 ktho...@wi.rr.com
News flash: We now have the required number of
ll a typical 1m x 1.5m table?
Regards,
Tom
--
Tomonori Sato
URL: http://homepage3.nifty.com/tsato/
-
This message is from the IEEE Product Safety E
Thanks Tom, I have found nothing as well in either the Blue Guide, EMC
Directive, RTTE Directive or the guides to these Directives.. I will check the
document you mention.
Bob Heller
St. Paul, MN 55107-1208
Tel: 651-778-6336
Fax: 651-778-6252
o the FCC at all to get your standards.
From: "Price, Ed"
List-Post: emc-pstc@listserv.ieee.org
Date: Mon, 9 Jan 2006 17:09:37 -0800
To: emc-p...@ieee.org
Subject: RE: Making Standards Free
> -Original Message-
> From: Sykes, William Thomas (Tom) [mailto:wsy..
Hi,
Isn't CISPR 16-4 the preferred method? This is what was
specified to us by our accrediting agency.
Regards
Doug
--- "Sykes, William Thomas (Tom)" wrote:
> All:
> Elliott:
>
> If one looks in the back of TR 100028-1 V1.3.1, under Document
> History
market", might this include demonstration at
a show and/or taking orders.
I don not find any exclusions for demos or shows listed in the EMC
directive. This analysis is my own of course.
Tom Whissel
Senior Compliance Engineer
Cabletron Systems, Inc.
same elevation.
Tom Donnelly
EMC Engineer
Lucent Technologies
tdonne...@lucent.com
: T.Sato [mailto:vef00...@nifty.com]
Sent: 25 July 2017 17:41
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] application of CISPR 32 to EUTs with integrated radio
transmitters
Hello members,
Thanks all who responded.
I hope CISPR makes this topic clear in near future.
Regards,
To
Hi Tom,
The exemption in (b) is for electronic control or power system utilized by a
public utility or in an industrial plant. I don't believe the exemption
extends to machinery operated in those environments. And the exemption for
(c) is for test equipment used in industrial, commerci
7;t Matter...
This email has been displayed using 100% recycled electrons and 100% pure
virgin photons.
From: Grace Lin
To: Thomas Cokenias
Cc: mi...@wll.com; EMC-PSTC@LISTSERV.IEEE.ORG
Sent: Wednesday, August 3, 2011 2:10 PM
Subject: Re: [PSES] FCC Exempted D
x27;s choice.
However, recent directives such as 2014/30/EU and 2014/35/EU says:
"... a single EU declaration of conformity shall be drawn up in respect of
all such Union acts."
Regards,
Tom
-
This message is from the IEEE
ly located distant from the EUT may be
used to limit the effects of adverse AE emissions or to reduce
measurement time, as long as the arrangement can be shown not to reduce
the emissions measured from the EUT.
Regards,
Tom
--
Tomonori Sato
URL: http://t-sato.in.coocan.jp
-
Other possible contributions such as resolution and repeatability may also
> need to be considered, even if they are relatively minor.
>
>
> For lower impedance, network analyzers may have relatively large impedance
> measurement uncertainty:
>
>
> http://www.keysight.com/
he INTERNET age that we are getting
to. Read and send Emails from and to emc-pstc group is an important part of
our professional life.
Special thanks to "the volunteer list administrators for doing an outstanding
job keeping the machinery running and keeping the rife raff out", a
omprehensible"
(https://en.wikipedia.org/wiki/List_of_dialects_of_English). I noticed
one form of English not mentioned in the Wikipedia article, Texas.
All the best, Doug
PS - The bottom line, every Tom, Dick and Harry should avoid cliché at
all costs.
Amen brother tell it!
Tom Cokenias
T.N. Cokenias Consulting
P.O. Box 1086
El Granada CA 94018
Tel 650 726-1263
Cell 650 302-0887
Sent from my iPhone
On May 18, 2010, at 7:19 PM, "o. laney" wrote:
Why do you assert that government users are not concerned? They are
very
tests, but now just too many, so have talked the
warehouse guy into testing monthly samples -> a Tom Sawyer-style scam.
Brian
-Original Message-
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org]On Behalf Of
McInturff, Gary
Sent: Tuesday, January 24, 2012 2:46 PM
To: 'Peter Tarve
sions for
> intentional radiators (transmitters). At these frequencies you would be
> allowed 200 uV/m at 3m, not much but you aren't allowed higher power until
> you get to 902-928 MHz band.
>
> best regards
>
> Tom
>
> On Mar 12, 2013, at 12:28 P
> emission testing for Ethernet ports on ITE? I believe VCCI and FCC
> are supposed to adopt the new CISPR standards.
Yes, VCCI already adopted CISPR 22:2005.
However, at this time, in the Technical requirements V-3/2007.04 clause
1, they wrote:
Enforcement of upper limits of condu
Thanks Tom for alerting me that I miss posting the message below to the
group.
I still wonder how to fet the arrowheads '>' that echo what that was
fowarded from the original message to differentiate what I am (trying to)
reply to!
e.g.
On 12 Nov 02 16:25,"T.Sato" wr
some may think them as "RF lighting"
in a broad sense.
I asked FCC about this topic, and the answer was that LED lightings
would not be regarded as Part 18 device even if it use RF PWM to
drive the LEDs.
Regards,
Tom
--
Tomonori Sato
URL: http://homepage3.nifty.com/tsato/
>
e In-Vitro Directive, if the centrifuge is intended to
be used for in-vitro diagnostic applications.
Regards,
Tom
Tomonori Sato
URL: http://member.nifty.ne.jp/tsato/
This message is from the IEEE EMC Society Product Safety
Technical Committee emc-pstc discussion list.
Visit our web site at:
eously*** between
>> a ground reference plane and all of the power supply terminals ...
>> and the corresponding figures also indicate that the disturbance
>> are to be injected to all lines at once.
>> However, I
..
and the corresponding figures suggest that the disturbance are
to be injected to each of the lines one by one.
Regards,
Tom
Tomonori Sato
URL: http://homepage3.nifty.com/tsato/
-
This message is from the IEEE Product Safety Engineering Society
emc-pstc discussion list.Website: http://www.ie
ustomer Premise be listed
with a NRTL. On the EMC side they require a wider range of emissions tests as
well as several immunity tests. These regulations are found in GR-1089 and
GR-63. It seems that back in the MA Bell days they were able to convince the
Agencies that the Phone Company was
gt;
> If you are still measuring strong ambients in the .150-30 MHz region, you
> may need to take steps to shield your equipment and set-up.
>
> Best regards
>
> Tom Cokenias
> Consultant, EMC & Radio Type Approvals
>
> -
> This message is coming f
em in the past with one of
these failures.
That's all I can remember about similar problems in various labs over the
years. Hope it helps, and please share the solution when you find it.
Best regards
Tom Cokenias
EMC and RF Approvals Consultant
>Hello group,
>
>I recentl
em in the past with one of
these failures.
That's all I can remember about similar problems in various labs over the
years. Hope it helps, and please share the solution when you find it.
Best regards
Tom Cokenias
EMC and RF Approvals Consultant
>Hello group,
>
>I recentl
blem and
was prepared to help. Give yours a call if you suspect power line. Good
luck.
Tom Cokenias
EMC Consultant/Radio Type Approvals
>Hello Group -
>
>Here's a problem for you all to think about and hopefully help solve.
>
>I have a room in the corner of my building where
odgate and Associates www.woodjohn.uk
Rayleigh, Essex UK
On 2019-02-25 12:56, Jim Hulbert wrote:
Hi Tom,
The exemption in (b) is for electronic control or power system utilized by a
public utility or in an industrial plant. I don't believe the exemption
extends to machinery op
al Message-
From: Grant, Tania (Tania) [SMTP:tgr...@lucent.com]
Sent: Tuesday, March 23, 1999 8:32 PM
To: emc-pstc; 'TREG'; NEBS FORUM; 'JIM WIESE'
Cc: Ron Bernot; Randy Ivans; Mark Vlanich; Jim Brunssen
Hi Tom -
Absolutely, the requirement is "... it complies with this Directive when
properly installed, maintained and used for its intended purpose." But
what is "it"?
I maintain that "it" is the product that is tested and sold, not all the
possible final configura
as Cokenias'; EMC-PSTC@LISTSERV.IEEE.ORG
Subject: RE: [PSES] Verification under FCC rules and our Digital Class A
product for industrial use only
Hello all,
I agree with Tom that it only applies to "Class B" computer peripherals.
However, I thought I'd share an interesting
To: 'EMC-PSTC@LISTSERV.IEEE.ORG'
>> Subject: RE: Average Detection
>>
>>
>> It's my understanding that the 10Hz VBW provides a filter
>> time-constant approximating that of an average detector.
>>
>> Ralph McDiarmid, AScT
>> Complia
ment powered through a UPS may still
> experience short dip or interruption.
>
> If specific UPS will be used, maybe it is possible to test the equipment
> with the UPS.
>
> Regards,
> Tom
>
> --
> Tomonori Sato
> URL: http://t-sato.in.coocan.jp
>
> -
> --
> were also made.
>
> NLF itself have big impact, and I guess own brand labelers who
> supplied completed product from OEMs may have hard time.
>
> Regards,
> Tom
>
> -
>
> This message is from the
stion.
> That being said, I'm not an expert in automotive EMC and I encourage
> anybody with better information to amend or correct what I have
> stated. (I would also like to know how you would run testing on a
> Caterpillar 797. I don't think it would fit in many chambers.)
ting, rather than an insulating coating on a metallic
structure.", so I think we should put the casters, which have plastic wheel but
metal hub and metal supporting structure so probably not "bulk non-conducting",
on 0.1 m insulating support in this case.
Regards,
Tom
--
Tomonori Sat
to have
return loss higher than 10 dB.
6 dB pad at antenna output makes this requirement satisfied regardless of
return loss of the antenna itself, even for biconical and hybrid antennas
which will have very bad VSWR.
Regards,
Tom
On Fri, 14 Jul 2023 22:53:41 +0200,
Paolo Roncone wrot
Hi Tom:
> So, for voltage up to 450V d.c. (i.e. up to 318V a.c.), capacitor
> up to 0.1uF will become a Limited Current Circuit, hence the voltage
> is not Hazardous Voltage (1.2.8.4) - no additional condition would
> be required for the capacitor connected to the pri
ed. Ways to do so are critically overviewed.
Both papers have been presented during the 2001 IEEE International
Symposium on EMC, Montréal, August 13 to 17, 2001
SPEAKERS
Dr. Pavlasek: Tom Pavlasek is an Emeritus Professor in Electrical and
Computer Engineering at McGill University. His rese
g the technology. Anyone else
look at this system?
Tom Donnelly
From: Tsang Steven [mailto:emc...@hotmail.com]
Sent: Tuesday, January 27, 2004 11:41 PM
To: emc-p...@majordomo.ieee.org
Subject: OATS Measurement
Dear all,
I have a question regarding on OATS measurement (3m site, 30MHz to 1000MH
he Fresnel zone, with the
antenna in question.
Cut and pasted from the website of Tom Rauch, W8JI:
Nearfield
The nearfield area is an area where the ultimate pattern is not fully formed,
and where induction fields (from charge distribution and charge movement) have
a noticeable effect.
It
;fully formed". From less than one wavelength to over 100 wavelengths we
are in the Fresnel zone, with the antenna in question.
Cut and pasted from the website of Tom Rauch, W8JI:
Nearfield
The nearfield area is an area where the ultimate pattern is not fully
formed, and where induction fi
Chang's, Home Depot, Books-A-Million and more !!!
If you plan to attend the event but need some time to fill out the forms or
get company approval, please go ahead and send Tom Perry
thomas.a.pe...@nasa.gov an email with your intent to attend. He will hold a
spot for you until March 28th.
W
C63.4-2003, which simply says that:
The specified distance is the distance between the horizontal
projection onto the groundplane of the closest periphery of the EUT
and the projection onto the groundplane of the center of the axis
of the elements of the receiving antenna.
in its clause 8.2.3?
Reg
me to fill out the forms or
get company approval, please go ahead and send Tom Perry
thomas.a.pe...@nasa.gov an email with your intent to attend. He will hold a
spot for you until March 28th.
We are pleased to officially announce the Huntsville IEEE EMC 2008 Event on
Tuesday, April 29th, 2008
Thanks Tom, I have found nothing as well in either the Blue Guide, EMC
Directive, RTTE Directive or the guides to these Directives.. I will check the
document you mention.
Bob Heller
St. Paul, MN 55107-1208
Tel: 651-778-6336
Fax: 651-778-6252
onducted tests, try using an AC EMI line filter at the AC input
>> to the LISN, placed as close as you can to the LISN. The filter should
>> attenuate the radio signals being picked up by the mains (antenna) wires.
>> The LISN and the filter should be mounted on the same ground plane.
switching device is provided by the interplane capacitance.
%> [snip]
%>
%>
%> Regards,
%> Barry Ma
%>
%>
I attended an EMC seminar conducted by Dr. Tom Van Doren on June 8, 1992
and then another one on March 23, 1995 by Dr. Van Doren, entitl
r is responsible.
However, if the installer follow the provided instruction if any
(and electric code, if applicable) but still caused interference
problem, the installer (maybe end-user himself, who is probably layman
at least for EMC) still responsible for that?
Regards,
Tom
> On Sat, Feb
uencies are
listed on the grants. Interestingly in reviewing some of the submission
documents, although the items were granted as Part 18 devices, they are simply
switching power supplies that provide DC to LED arrays. This type of product
should have been classified as Part 15 devices it would
ohm LISN that
was useable to 1 GHz. Seemed like a good idea to me.
with respect,
Brent G DeWitt
From: owner-emc-p...@listserv.ieee.org
mailto:owner-emc-p...@listserv.ieee.org]On Behalf Of Tom Cokenias
Sent: Tuesday, March 22, 2005 10:13 AM
To: Geetha Balasubramanian; Grasso, Charles;
;s choice.
However, recent directives such as 2014/30/EU and 2014/35/EU says:
"... a single EU declaration of conformity shall be drawn up in respect of
all such Union acts."
Regards,
Tom
-
This message is from the IEEE Prod
cable.
I guess radiated emissions/immunities can still a matter.
Regards,
Tom
--
Tomonori Sato mailto:vef00...@nifty.com>>
URL: http://t-sato.in.coocan.jp
-
This message is from the IEEE Product Safety Engineering Society emc-pst
be
related with the corresponding oscilloscope channel. A probe
calibration is only valid in combination with the calibrated
oscilloscope (indicated in the calibration certificate). The probe
calibration must be clearly related to the applied channel."
Regards,
Tom
> From: Schaefer, David [mailto:
t can be very difficult, I think we need to measure them
in-situ individually at least for first three installations.
Regards,
Tom
--
Tomonori Sato
> From: John Woodgate [mailto:j...@woodjohn.uk]
> Sent: Friday, February 22, 2019 3:05 AM
> To: Jim Hulbert ; EMC-PSTC@LISTSERV.IEEE.O
ing that this product is not to be
> used inresidential market? Would that give us the pass to go to Class A?
Can it be considered as a composite system (47 CFR 2.947) that incorporate
Class A unintentional radiator and Part 15 intentio
Hi Bryce
Have you contacted DNB engineering in Fullerton CA? If they can't do it they
probably know if someone can - at least on earth.
http://www.dnbenginc.com
best regards
Tom Cokenias
T.N. Cokenias Consulting
P.O. Box 1086
El Granada CA 94018
On Jan 7, 2010, at 11:40 AM, Ken Javor
ury or death, but could find nothing about such requirements.
Regards,
Tom
--
Tomonori Sato mailto:vef00...@nifty.ne.jp>>
URL: http://homepage3.nifty.com/tsato/
-
This message is from the IEEE Product Safety Eng
for
partial illumination as specified in IEC/EN 61000-4-3.
Regards,
Tom
> -Original Message-
> From: Kunde, Brian [mailto:brian_ku...@lecotc.com]
> Sent: Friday 8 May 2015 21:56
> To: EMC-PSTC@LISTSERV.IEEE.ORG
> Subject: [PSES] Radiated Immunity at 1meter distance
>
> Wi
shed therein. This means you can do tests at your location if you
already have the equipment.
best regards
Tom Cokenias
T.N. Cokenias Consulting
P.O. Box 1086
El Granada CA 94018
On Feb 28, 2012, at 8:07 AM, Scott Xe wrote:
R&TTE compliance test reports
I notice that some compliance report
s who balked at the expense of doing all that
testing...
Tom Cokenias
T.N. Cokenias Consulting
P.O. Box 1086
El Granada CA 94018
On Mar 29, 2012, at 8:23 PM, Richard Nute wrote:
> I once worked with an EMC engineer who measured the performance of
> himself and his time by the cost of the
tromagnetic disturbance, or the performance of which is
liable to be affected by such disturbance;
Is such test fixtures "made commercially available as a single
functional unit"?
Regards,
Tom
--
Tomonori Sato
URL: http://homepage3.nifty.com/tsato/
> From: Robert Heller [mailto:r
ut you aren't allowed higher power until
> you get to 902-928 MHz band.
>
> best regards
>
> Tom
>
> On Mar 12, 2013, at 12:28 PM, John Woodgate wrote:
>
>> Does the FCC allow very low power wireless devices (transmitting speech for
>> assisted
] FCC and very low-power wireless devices
>>
>> Hi John
>>
>> Section 15.209 has general requirements for radiated emissions for
>> intentional radiators (transmitters). At these frequencies you would be
>> allowed 200 uV/m at 3m, not much but you aren't all
but you aren't allowed higher power until
you get to 902-928 MHz band.
best regards
Tom
On Mar 12, 2013, at 12:28 PM, John Woodgate wrote:
> Does the FCC allow very low power wireless devices (transmitting speech
for assisted hearing for disabled people) to operate on 863 MHz or nearby?
&g
Hi Tom:
> So, for voltage up to 450V d.c. (i.e. up to 318V a.c.), capacitor
> up to 0.1uF will become a Limited Current Circuit, hence the voltage
> is not Hazardous Voltage (1.2.8.4) - no additional condition would
> be required for the capacitor connected to the pri
hose caused by
the transmitter.
However, I heard of strong opinions that the emission measurement must be
run while the integrated radio transmitter is transmitting, and all the
emissions in the frequency bands of intended transmissions and those
harmonics should be simply ignored.
What do you t
>
> -Original Message-
> Subject: Agency Probes Gas Pedals' Link to EMI
>
> This might be of interest to the group, especially those involved
> with EMC immunity testing of automotive parts.
>
> best regards
>
> Tom
>
>
> http:/
f the warehouse samples, with photo of bulldozers crushing and
otherwise rendering useless all the would- be merchandise. Pretty impressive.
I was working in private sector lab when this happened - the article was a
great sales tool with customers who balked at the expense of doing all that
RV.IEEE.ORG
>Sent: Tuesday, May 21, 2013 3:35 AM
>Subject: Re: Single Point Grounding - Not Achievable at High Frequencies
>(greater than a few MHz)
>
>
>In message <1369105334.30674.yahoomail...@web160401.mail.bf1.yahoo.com>,
>dated Mon, 20 May 2013, Bill Owsley w
wish to look into their standards and
other publications.
http://www.cie.co.at/
Regards,
Peter L. Tarver, PE
ptar...@ieee.org
> From: Sykes, William Thomas (Tom)
> Sent: Wednesday, December 06, 2006 7:11 AM
>
> Nick:
>
> In July 2006, the IEC Technical Committee TC76 pu
om: owner-emc-p...@majordomo.ieee.org
[mailto:owner-emc-p...@majordomo.ieee.org]On Behalf Of Mark Haynes
Sent: Thursday, October 18, 2001 12:44 PM
To: IEEE EMC-PSTC Discussion List (E-mail)
Cc: Peter Deneault (E-mail); Tom Brenner; Doug Harris
Subject: Motor Drive Grounding Scheme
Greetings All,
I work for a
to
disable the printer circuitry while maintaining power to the transmitter via
the normal power supply chain. FCC has accepted this strategy in the past.
best regards
Tom Cokenias
T.N. Cokenias Consulting www.tncokenias.org
P.O. Box 1086
El Granada CA 94018
tel 650 726 1263
fax 650 726 1252
(the
definition I usually use) extends less than one wavelength from the
antenna. Beyond this the E/H ratio is 377 although the pattern is not
"fully formed". From less than one wavelength to over 100 wavelengths we
are in the Fresnel zone, with the antenna in question.
Cut and pasted
701 - 800 of 878 matches
Mail list logo
