handle some massive breakdown currents.
They are available from Bourns and Sankosha USA... probably some other
manufacturers as well.
Chris
-Original Message-
From: bogdan matoga [SMTP:bogda...@pacbell.net]
Sent: Wednesday, February 20, 2002 4:19 PM
To: gab...@simex.ca; Chris Maxwell
;
but hopefully addressing my additional questions will get a more
complete answer in the long run.
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw...@nettest.com | dir +1 315 266 5128 | fax +1 315 797
8024
NetTest | 6 Rhoads Drive, Utica, NY 13502 | USA
web www.nettest.com | tel
of luck my man.
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw...@nettest.com | dir +1 315 266 5128 | fax +1 315 797
8024
NetTest | 6 Rhoads Drive, Utica, NY 13502 | USA
web www.nettest.com | tel +1 315 797 4449 |
---
This message
of the other replies.
Hope this helps,
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw...@nettest.com | dir +1 315 266 5128 | fax +1 315 797
8024
NetTest | 6 Rhoads Drive, Utica, NY 13502 | USA
web www.nettest.com | tel +1 315 797 4449 |
-Original Message-
From
of a source for a converter which:
1. runs from rectified AC (250-375VDC)
2. produces ~1Watt of 5VDC.
3. safety approved.
4. extremely low profile
adTHANKSvance
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw...@nettest.com | dir +1 315 266 5128 | fax +1 315 797
8024
NetTest | 6
-471-54927-4
Chris
-Original Message-
From: Aschenberg, Mat [SMTP:matt.aschenb...@echostar.com]
Sent: Tuesday, February 05, 2002 9:33 AM
To: Chris Maxwell; mur...@eel.ufsc.br
Cc: EMC-PSTC Internet Forum
Subject: RE: Conducted noise emission diagnosis device
What
: Tuesday, February 05, 2002 9:02 AM
To: Chris Maxwell
Subject: RE: Conducted noise emission diagnosis device
Hi Chris,
I have a LISN (RohdeSchwarz) that have changing from Neutral/Phase by
a switch. Most separators from common-mode and differential mode use 2
LISN's to obtain
been a while since I built it, so my memory is fuzzy. But I may be
able to help if you have a question or two.
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw...@nettest.com | dir +1 315 266 5128 | fax +1 315 797
8024
NetTest | 6 Rhoads Drive, Utica, NY 13502 | USA
web
What about top and bottom of a board?
What would happen (assuming 60950) if you had AC on the component side
of a board and SELV on the solder side. (assuming that any through holes
were properly cleared out).
How acceptable is that?
Chris Maxwell | Design Engineer - Optical Division
email
the
capacitors.)
Any advice would be welcomed and appreciated.
adTHANKSvance.
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw...@nettest.com | dir +1 315 266 5128 | fax +1 315 797
8024
NetTest | 6 Rhoads Drive, Utica, NY 13502 | USA
web www.nettest.com | tel +1 315 797 4449
?
Serial peripherals are a PAIN! and I wish you the best. Please let
me know if something pans out for you. After all, they're still a pain
for me and I'm always eager to know what works.
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw...@nettest.com | dir +1 315 266 5128 | fax
been so busy lately that I've
been doing everything in incomplete fashion...very frustrating.
Chris
-Original Message-
From: Stone, Richard A (Richard) [SMTP:rsto...@lucent.com]
Sent: Thursday, January 24, 2002 10:58 AM
To: Chris Maxwell; emc-p...@majordomo.ieee.org
Subject
parts if I need to adapt the LISN output to a
wall-wart with a non-US plug configuration.
I then try to dress the wall-wart's cable in the configuration shown in
the standard for dressing line cords.
I'm sure there are other methods; but at least you have one opinion.
Chris Maxwell | Design
this either by using resistors, fuses,
polyswitches and/or combinations of these devices. It always boils down
to function, cost and availability.
Hope this helps,
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw...@nettest.com | dir +1 315 266 5128 | fax +1 315 797
8024
NetTest | 6
, these devices should be
using some sort of standardized/allocated frequency band along with a
recognized signaling method. If they were, they wouldn't be up a creek
without a paddle; and we wouldn't have this thread.
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw
the product would interfere with radio or TV. As a matter
of fact, the quasi-peak and average detectors are used in order to
simulate the response of the human ear.
I'm curious. If you set this product right next to a radio. Would a
human being even be able to perceive the 25millisecond burst?
Chris
Yes Ken, I agree.
My humor only provided a grain of truth. Thanks for providing the whole
pound :-)
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw...@nettest.com | dir +1 315 266 5128 | fax +1 315 797
8024
NetTest | 6 Rhoads Drive, Utica, NY 13502 | USA
web
bit before it was taken away. I wanted to see how
accurate it was at measureing component temperatures on a circuitboard.
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw...@nettest.com | dir +1 315 266 5128 | fax +1 315 797
8024
NetTest | 6 Rhoads Drive, Utica, NY 13502 | USA
with one to one
correspondence due to the fact that there are other cooling mechanisms
such as radiative cooling which can occur without air.
As altidude goes up, air density goes down. Wouldn't cooling
effectiveness also go down leading to a slightly lower power rating for
air cooled supplies?
Chris
.
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw...@nettest.com | dir +1 315 266 5128 | fax +1 315 797
8024
NetTest | 6 Rhoads Drive, Utica, NY 13502 | USA
web www.nettest.com | tel +1 315 797 4449 |
---
This message is from the IEEE
.
Hope this helps.
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw...@nettest.com | dir +1 315 266 5128 | fax +1 315 797
8024
NetTest | 6 Rhoads Drive, Utica, NY 13502 | USA
web www.nettest.com | tel +1 315 797 4449 |
-Original Message-
From: Chris Maxwell
Sent
leaks
Make them good and tight
Hope I get it done and skip that double shift tonight
Oh, EMI, RFI, keeps us all employed
Keep 'em quiet and keep 'em safe so products get enjoyed
Oh, copper tape, reynolds wrap, all tools of the trade.
Here's one guy's sarcastic wish for a happy holiday
Chris
the idea that
you're building an escape pod to the mother ship.
Any immediate pitfalls that can be foreseen by the collective gurus?
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw...@nettest.com | dir +1 315 266 5128 | fax +1 315 797
8024
NetTest | 6 Rhoads Drive, Utica, NY 13502
a drawback to this method.
As always, when you're messing with AC, be CAREFUL.
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw...@nettest.com | dir +1 315 266 5128 | fax +1 315 797
8024
NetTest | 6 Rhoads Drive, Utica, NY 13502 | USA
web www.nettest.com | tel +1 315 797 4449
of the responses have inspired me to look into other, more simple
means such as stamping
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw...@nettest.com | dir +1 315 266 5128 | fax +1 315 797
8024
NetTest | 6 Rhoads Drive, Utica, NY 13502 | USA
web www.nettest.com | tel +1 315 797
products with different line cords ...
There are tricks to wiring ground through the isolation transformer,
wiring DC through your LISN (for DC products) ... it doesn't take a
great deal of money or time to set up for pre-compliance.
Have fun and don't kill yourself!!!
Chris Maxwell | Design
)?
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw...@nettest.com | dir +1 315 266 5128 | fax +1 315 797
8024
NetTest | 6 Rhoads Drive, Utica, NY 13502 | USA
web www.nettest.com | tel +1 315 797 4449 |
---
This message is from
called the RAC or Reliability Analysis Center.
Happy hunting.
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw...@nettest.com | dir +1 315 266 5128 | fax +1 315 797
8024
NetTest | 6 Rhoads Drive, Utica, NY 13502 | USA
web www.nettest.com | tel +1 315 797 4449
burn before the fuse would blow during power cross testing.
Chris
-Original Message-
From: Crabb, John [SMTP:jo...@exchange.scotland.ncr.com]
Sent: Tuesday, November 20, 2001 12:13 PM
To: Chris Maxwell
Subject: RE: Methods Equipment; Surge Dips
Chris, we have been
operation.
There is also a Table 1 which specifies an absolute minimum immunity
level for EN 61326-1 classified equipment. I use this as a benchmark,
but usually test to higher levels as specified in the annexes.
I hope there was something useful in there for you.
Chris Maxwell | Design
Careful...
We're playing with fire here. I don't think the list should be a place
for he said---she said...posturing contests...
I (for one) don't want a justification from the list admins.
I wonder why, and I perfectly understand Aprel's curiosity; but I don't
want to have it splattered
I have seen this in
Section 6 of EN 55011:1990
Section 8 of EN 55022:1995
I'm not sure if there are any plans to remove these references from
newer versions of these standards.
Best regards,
Chris
-Original Message-
From: David Heald [SMTP:davehe...@mediaone.net]
Sent: Monday,
there. Either agree with it or refute it.
Either way, we'll all learn something.
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw...@nettest.com | dir +1 315 266 5128 | fax +1 315 797
8024
NetTest | 6 Rhoads Drive, Utica, NY 13502 | USA
web www.nettest.com | tel +1 315 797 4449
: Tuesday, November 06, 2001 3:08 PM
To: Chris Maxwell
Cc: EMC-PSTC Internet Forum
Subject: Re: HiPot testing of DC mains powered products
Chris,
Greetings! You may not even need to perform production line hipot
if
the unit is a fiber only product. Since the mains are SELV
product.
It is different than AC products; because, with AC products, we can test
the chassis by itself and assume that the mains cable is OK because we
buy mains cables that have been previously hipot/ground bond tested by
their manufacturers.
Any words of wisdom?
Thanks,
Chris Maxwell
in a
laptop or palmtop that works as quickly or as well as good old pencil
CAD.
Stay compliant guys
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw...@nettest.com | dir +1 315 266 5128 | fax +1 315 797
8024
NetTest | 6 Rhoads Drive, Utica, NY 13502 | USA
web www.nettest.com | tel +1
compliance or 5 star safety compliance...
If the scale is adjusted from time to time; when a company improves
compliance performance, they would then raise the bar for the rest of
the world.
Interesting discussion. Got to get back to the ball and chain
Chris Maxwell | Design Engineer - Optical Division
Elephant hide, huh? I hear elephants have a really dense hide. Sort of
a packy-dermis
Please don't boo have a great weekend guys!
-Original Message-
From: Gregg Kervill [SMTP:gkerv...@eu-link.com]
Sent: Friday, October 26, 2001 2:06 PM
To: 'Estrella Gil-P19838';
All,
Check out www.cellotape.com once in the website, go to their compliance
label design guide. They have pdf's of about 100 different compliance
symbols; including compliance marks, warning symbols ...
I went there to get some information, thought it was worth sharing.
Chris Maxwell
I agree with Paul's take. One of the trees in the forest is keyboards.
Do you have any keyboards attached to the DUT? I have personally seen
an instance where EFT was coupling to a keyboard cable and causing all
sorts of wierd effects.
I thought it was our design's fault, so I tried filtering,
be
different, possibly yielding an entirely different power formula.
If only world peace were as straightforward as Math.
Stay compliant guys.
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw...@nettest.com | dir +1 315 266 5128 | fax +1 315 797
8024
NetTest | 6 Rhoads Drive, Utica, NY
and inappropriate. Again, I fall back to the generic label
and forcing the user to know what power levels they are dealing with.
As always, the advice and experience of my colleagues (comiserators) is
welcomed and appreciated.
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw
: Thursday, October 18, 2001 9:35 AM
To: 'Peter Merguerian'; 'Rich Nute'; rpick...@hypercom.com
Cc: Chris Maxwell; emc-p...@ieee.org
Subject: RE: UL - marking - gentle warning not to extrapolate.
Rich and others,
Here is what the Listing Mark Data Page says in one of our FUS books
, are there any sources for pre-printed UL and/or CSA
labels? I'd especially be interested in one with the CSA mark and the
C US subscript denoting dual UL/CSA certification. These days,
management likes using less custom parts and saving money. Even if it's
labels :-)
Chris Maxwell | Design Engineer
just to hold it in place. I would assume a maximum
desired deflection of 25%.)
7. Strong (i.e. we don't want it to rip or tear)
Does anybody know of a material that comes close to what we want?
AdTHANKSvance for your help.
Best Regards,
Chris Maxwell | Design Engineer - Optical Division
email
their
business to know.
Hope this helps.
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw...@nettest.com | dir +1 315 266 5128 | fax +1 315 797
8024
NetTest | 6 Rhoads Drive, Utica, NY 13502 | USA
web www.nettest.com | tel +1 315 797 4449 |
-Original Message-
From: Peter
either pay up front
for a CB scheme report with Gosstandart endorsement. Or pay later for
Gosstandart to review your CE marked products individually.
Pay now...pay later...pay the piper. That's about what it boils down
to.
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw
the invoice.
Personally, I wouldn't care if they told me to put a sticker with Donald
Duck on the unit. As long as the customs officials accept it.
:-)
Actually, this probably is the opinion of my employer, so no disclaimer
needed.
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw
not the opinions of my employer...)
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw...@nettest.com | dir +1 315 266 5128 | fax +1 315 797
8024
NetTest | 6 Rhoads Drive, Utica, NY 13502 | USA
web www.nettest.com | tel +1 315 797 4449 |
-Original Message-
From: John
cables in the
ceiling?
Anybody else have a similar experience or some insight into this?
Thanks,
Chris Maxwell | Design Engineer - Optical Division
email chris.maxw...@nettest.com | dir +1 315 266 5128 | fax +1 315 797
8024
NetTest | 6 Rhoads Drive, Utica, NY 13502 | USA
web www.nettest.com
Hi John,
Read through some other responses. I have had similar experiences to
those already mentioned. One thing that I didn't see mentioned was the
alternative of electroless plating. Electroless plating consists of
three major processes.
1. The plastic parts are cleaned and etched by a
Hi all,
I know this is all hypothetical, but...
I think what's missing from the suggestions is a way to detect
directivity of the emissions. So far what has been suggested is an
array of detectors each linked to pixels. This would be very efficient
at telling you which detectors have been hit
) to see
if they believe the ESD levels are relevant.
Regards,
Chris Maxwell
Design Engineer -
NetTest Optical Division
email chris.maxw...@nettest.com
phone +1 315 266 5128
fax +1 315 797 8024
NetTest
6 Rhoads Drive,
Utica, NY 13502 USA
web www.nettest.com
-Original Message-
From
Hi all,
I don't think you need to read any papers on the subject, unless you
really need gory details. It's a fairly simple idea.
The reason shock can be mistaken for vibration and vice versa is due to
the fact that most shocks are from AC power. When you get shocked by
AC, your nerves get
, but it did increase
cost. We bagged it. As a side comment, it seems like ITO is conductive
enough for static dissipation, but not for shielding. So, if you ever did
need to shield an LCD, you would probably be limited to windows that use
metallic mesh sandwiches.
Chris Maxwell
Design Engineer
to Molex,
but I have yet to find their equivalent part number.
Nothing available from L-Com or Black Box.
In short Beware the super teenie 9 pin DIN.
Thanks to those who responded.
Chris Maxwell
Design Engineer -
NetTest Optical Division
email chris.maxw...@nettest.com
phone +1 315 266 5128
fax
: Friday, June 22, 2001 6:08 PM
To: Chris Maxwell; 'EMC-PSTC Internet Forum'
Subject: Re: FCC + FCC = FCC? - Outlaw
I have no trouble with your checklist except #7. Like it or not, the FCC
RE
limits protect I Love Lucy broadcasts. More basically, the limits
protect
the broadcasters
I'm curious...
How is in-rush current handled for these connectors?
Seems like it would be somewhat easy to specify that a connector is good for
hot swapping a device that draws X Amps of current.
It's the in-rush that would be hard to quantify. One device that draws X
Amps of current could
a test sample that has one of these serial ports on it, and I can't
find a cable assembly to mate with it. I have called my usual cable
assembly vendors with no luck. I now throw myself at the collective wisdom
and mercy of the group. Any hints?
Thanks in advance.
Chris Maxwell
Design Engineer
the check for a re-test?
Chris
-Original Message-
From: Ken Javor [SMTP:ken.ja...@emccompliance.com]
Sent: Friday, June 22, 2001 3:21 PM
To: Chris Maxwell; 'emc-p...@majordomo.ieee.org'
Subject: Re: FCC + FCC = FCC? - Outlaw
NO
The 120 dB safety margin comment
Hi all,
This thread has been interesting. However it has taken a somewhat
philisophical turn. I'd like to distill it a little bit. In short, FCC
+ FCC does equal FCC in certain circumstances just like CE + CE = CE in
certain circumstances.
You need to ask yourself: (honestly and sincerley
that you don't need a dedicated ground rod for your ESD
setup to satisfy this requirement.
My opinions only; not to be confused with fact, company policy or gospel
under any circumstance :-)
Chris Maxwell
Design Engineer -
NetTest Optical Division
email chris.maxw...@nettest.com
phone +1 315
or better yet, quote chapter and
verse from a standard that would answer this question?
Thanks,
!PLEASE NOTE THE NEW EMAIL ADDRESS
Chris Maxwell
Design Engineer
NetTest
6 Rhoads Drive, Building 4
Utica,NY 13502
email: chris.maxw...@nettest.com
phone: 315-266-5128
fax: 315-797-8024
Hi all, (refer to John's inimitable :-) reply below)
Even though my previous response may not sound like it; I agree with you on
this one John. Manufacturers should go the extra mile. I think that we're
all trying to figure out which road to go the extra mile on. (with regard
to products
clauses.
See quote below.
Catch ya's later.
!PLEASE NOTE THE NEW EMAIL ADDRESS
Chris Maxwell
Design Engineer
NetTest
6 Rhoads Drive, Building 4
Utica,NY 13502
email: chris.maxw...@nettest.com
phone: 315-266-5128
fax: 315-797-8024
-Original Message-
From: Massey, Doug C
.
These are my opinions only and I admit that my opinions are the concoctions
of one mind trying to figure out a gillion confusing (and sometimes
contradictory) pages of regulatory documents.
Stay compliant my man.
!PLEASE NOTE THE NEW EMAIL ADDRESS
Chris Maxwell
Design Engineer
NetTest
6
to the potential of the floor where the user is standing
I don't have a comeback for that. If anyone does have a comeback; I'd
nominate them for the Safety Compliance Engineer Hall of Fame ;-) (I'd
also want them to be my lawyer.)
!PLEASE NOTE THE NEW EMAIL ADDRESS
Chris Maxwell
line cords are with the IEC 320
C5 connector? Better yet, does anybody know a manufacturer that makes
international cordsets (especially US, Euro, UK, Italian and Australian)
with these connnectors on them?
As always, thank you in advance for any leads.
NOTE THE NEW EMAIL ADDRESS!
Chris Maxwell
Hi Ravinder,
I have read the other replies that advise to check the voltage and frequency
rating of the microwave's power supply. They also warn of the effects of
changing power frequencies.All good advice.
I have another concern to add.
Remember the recent thread about single phase,
for your kids when
you get home tonight :-)
Chris Maxwell
Design Engineer
NetTest
6 Rhoads Drive, Building 4
Utica,NY 13502
email: chris.maxw...@gnnettest.com
phone: 315-266-5128
fax: 315-797-8024
-Original Message-
From: geor...@lexmark.com [SMTP:geor...@lexmark.com]
Sent: Thursday, May
386-1 for EMC) where the standard asks for a test to be performed with no
pass/fail criteria and the results to simply be documented for the user.
Stay compliant my man!
Chris Maxwell
Design Engineer
NetTest
6 Rhoads Drive, Building 4
Utica,NY 13502
email: chris.maxw...@gnnettest.com
phone: 315
safety certification agency.
I hope this helps.
Chris Maxwell
Design Engineer
NetTest
6 Rhoads Drive, Building 4
Utica,NY 13502
email: chris.maxw...@gnnettest.com
phone: 315-266-5128
fax: 315-797-8024
-Original Message-
From: Luiz Claudio [SMTP:luizboni...@ig.com.br]
Sent: Monday, April
to
describe at least four different types of discharges, it takes the full
definition in order to tell one from the other.
-Original Message-
From: Price, Ed [SMTP:ed.pr...@cubic.com]
Sent: Tuesday, April 24, 2001 10:04 AM
To: 'Gary McInturff'; 'Chris Maxwell'; 'EMC-PSTC Internet Forum
Hi Ed,
I fully agree that membrane keypads are one of the most common places
where a finger could discharge to the instrument.
However, I disagree that contact discharge is the appropriate test method
for these surfaces. Current state of the art in test instruments and
methods dictates
this standard. In its absence, I have used the rule of thumb above.
Chris Maxwell
Design Engineer
NetTest
6 Rhoads Drive, Building 4
Utica,NY 13502
email: chris.maxw...@gnnettest.com
phone: 315-266-5128
fax: 315-797-8024
-Original Message-
From: Dan Kinney (A) [SMTP:dan.kin...@heapg.com
Message-
From: Martin Lindquist [SMTP:mlind...@cisco.com]
Sent: Thursday, April 05, 2001 11:50 AM
To: Chris Maxwell
Subject: RE: [Fwd: Safety Rules regarding Optical interface]
Chris,
What does 61010-1 cover? I thought 60825 was the only laser/led
standard
of note
Hello Guy,
I was expecting to see a bunch of replies to your question. I didn't, so
I'll just throw a quick one in.
Since you already mention laser classifications, I'm guessing that you are
already familiar with the United States CDRH laser safety rules (21 CFR,
section 10.40) and the
).
Chris Maxwell
Design Engineer
NetTest
6 Rhoads Drive, Building 4
Utica,NY 13502
email: chris.maxw...@gnnettest.com
phone: 315-266-5128
fax: 315-797-8024
-Original Message-
From: Nick Williams [SMTP:nick.willi...@conformance.co.uk]
Sent: Monday, April 02, 2001 12:23 PM
To: John
such as power supplies ... That's
something that you would need to ask CILS and/or your certification lab.
I hope this helps and best regards.
Chris Maxwell
Design Engineer
NetTest
6 Rhoads Drive, Building 4
Utica,NY 13502
email: chris.maxw...@gnnettest.com
phone: 315-266-5128
fax: 315-797-8024
, the most
effective solution.
Catch ya's later.
Chris Maxwell
Design Engineer
NetTest
6 Rhoads Drive, Building 4
Utica,NY 13502
email: chris.maxw...@gnnettest.com
phone: 315-266-5128
fax: 315-797-8024
-Original Message-
From: Brian O'Connell [SMTP:boconn...@t-yuden.com]
Sent
in certain countries that can perform the audits for them? Can they
have a European agency certify their product to UL standards and perform the
audits?
Anybody out there been through this?
Chris Maxwell
Design Engineer
NetTest
6 Rhoads Drive, Building 4
Utica,NY 13502
email: chris.maxw
fight this same battle. Any hints or pitfall
warnings would be greatly appreciated.
Chris Maxwell
Design Engineer
NetTest
6 Rhoads Drive, Building 4
Utica,NY 13502
email: chris.maxw...@gnnettest.com
phone: 315-266-5128
fax: 315-797-8024
---
This message
with a test lab, a
talk with one of the safety engineers there may help you out. My guess is
that some of the other guys in the group will offer some other goodies that
will help you complete your puzzle.
Best regards,
Chris Maxwell
Design Engineer
NetTest
6 Rhoads Drive, Building 4
Utica,NY 13502
email
Just a little personal experience I want to relate. The EMC people can
really appreciate this. Sorry about the long, conversational tone, but I
think it will help people appreciate how much effort could have been
prevented by following simple EMC design rules.
One of our products has a
Mike,
Page 22 of our company copy of EN 61010-1:1993 refers to:
very fast = FF or black
fast = F or red
medium, time-lag = M or yellow
time-lag = T or blue
long time-lag = TT or grey
There is a reference to these code/color designations coming from IEC 127.
There are some other trade fuse
tested and marked. The tone of the answers in this thread
sounds like this is true. But I believe it isn't. Am I whacked here?
Chris Maxwell
Design Engineer
GN Nettest
6 Rhoads Drive, Building 4
Utica,NY 13502
email: chris.maxw...@gnnettest.com
phone: 315-266-5128
fax: 315-797-8024
. (i.e. burnt circuitboards). My feeling
is that I would be wasting my time and hassling the technician if I were
looking over their shoulder during safety testing.
Chris Maxwell
Design Engineer
GN Nettest
6 Rhoads Drive, Building 4
Utica,NY 13502
email: chris.maxw...@gnnettest.com
phone: 315-266
Maxwell
Design Engineer
GN Nettest
6 Rhoads Drive, Building 4
Utica,NY 13502
email: chris.maxw...@gnnettest.com
phone: 315-266-5128
fax: 315-797-8024
-Original Message-
From: Wagner, John P (John) [SMTP:johnwag...@avaya.com]
Sent: Friday, January 19, 2001 12:03 PM
To: 'Chris
in the European power distribution system?
Thanks in advance for your time,
Chris Maxwell
Design Engineer
GN Nettest
6 Rhoads Drive, Building 4
Utica,NY 13502
email: chris.maxw...@gnnettest.com
phone: 315-266-5128
fax: 315-797-8024
---
This message
was how well small
chamber emissions measurements correlate with OATS measurements.
Chris Maxwell
Design Engineer
GN Nettest
6 Rhoads Drive, Building 4
Utica,NY 13502
email: chris.maxw...@gnnettest.com
phone: 315-266-5128
fax: 315-797-8024
-Original Message-
From: Paolo Roncone
.
I guess many times the measurement method is somewhat defined by what you're
measuring.
Chris Maxwell
Design Engineer
GN Nettest
6 Rhoads Drive, Building 4
Utica,NY 13502
email: chris.maxw...@gnnettest.com
phone: 315-266-5128
fax: 315-797-8024
-Original Message-
From: Ralph Cameron
, something
about they don't buy into the daylight savings time theory). Their product
line is similar to Semtech. Sometimes their part availability is better.
Best Regards,
Chris Maxwell
Design Engineer
GN Nettest
6 Rhoads Drive, Building 4
Utica,NY 13502
email: chris.maxw...@gnnettest.com
phone
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