All,
My apologies if this is message is a duplicate--
I think I replied only to Gary the first time...
I believe the second mark that Gary describes is the
new BSMI (Bureau of Standard Measurement Insititute)
mark for the DoC and Type Approval processes.
I believe this is also known as the CNS
Rick,
Chomerics' Springline product line is an off-the-shelf solution:
http://www.chomerics.com/products/cardcage.htm
The spring-fingers on these one-piece gaskets are formed
toward the rear panel instead of toward the inside, where
damage due to snagging can be a problem.
The only
All,
Just last night, I was re-reading the procedures for
Verification (e.g. for Class A ITE) and Declaration of Conformity
(e.g. for Class B ITE.)
For products subject to Certification, refer to 47CFR2.938,
Retention of Records.
For products subject to Verification, refer to 47CFRF2.955,
Brodie,
Here is my collection of URLs--I'm not sure which ones are
still valid, however.
Regards,
Dan
http://www.dodssp.daps.mil/
http://agena.spawar.navy.mil/
http://www-chas.nosc.mil/spawar/pdf/MIL461D.PDF
Ron,
Yours is an interesting suggestion to use filtered DB25 connectors on
the chamber connector panel, and RJ45-DB25 adapters inside and out.
My only comment would be to be careful of DB25 filters with
any significant capacitance from signal to shield.
When used with RJ45 adapters, these
Brent,
You are correct--the 4 star logo was General Semiconductor Industries, Inc's.
They were once part of General Instrument Corporation, but the TransZorb TVS
product line is now part of ST Microelectronics, I believe.
I also went on a search for SO-8 TVS diode arrays back in June,
and I
Chet,
I believe this is Raychem:
www.raychem.com
This is likely one of their resettable Polyswitches,
which are Positive Temperature Coeffient (PTC) devices.
Also, IC Master has an index of manufacturer logos.
www.icmaster.com
Good luck with your submittal.
Regards,
Dan
Dave,
As I recall, this used to be in CISPR16 ...Radio Interference Measuring
Apparatus and Methods, section 9.
In later versions of CISPR16, this requirement was mysteriously
deleted from CISPR16, and section 9 became Reserved for future use.
I have the old version of CISPR16 buried in my paper
Gary,
The new URL for the VCCI web site is:
http://www.vcci.or.jp/
Click English, then Member (password-protected,)
then Documents and Forms. Form 1 is the first form
in the table. Click on Word file.
Regards,
Dan
From: Gary McInturff gary.mcintu...@worldwidepackets.com
To:
The cheapest way to go is to get a 2 trailer ball from
WalMart and cut off the flange and threads with a
hacksaw or Sawzall. File to a spherical shape.
Drill and tap a hole for an eye bolt that
can be installed for the pendulum test.
About $10 US?
Dan
From: JENKINS, JEFF jeff.jenk...@aei.com
All,
I didn't get out a tape measure, but I believe a bilog antenna
is taller than a bicon antenna in the vertical polarity,
and would be closer to the floor at the minimum antenna height
of 1 m (for most test procedures.)
For that reason, I believe there would be more coupling to
the ground
Bob,
Even with my VCCI login and password, I can't find the
Guide to Membership, V-0/97.04 on the VCCI web site.
However, I have a hardcopy that our Compliance Engineer
in Japan obtained for me.
I'll give you a call, then fax it to you if you still
need it.
Good luck in the Japanese
Peter,
One of the requirements for North America is for the FCC.
Per 47CFR2.803,
...Provided, however, That the advertising or display of a device,
which has not been granted type approval, type acceptance,
certification, or notification, will not be deemed to be an
offer for sale if such
Gary, all,
The following is from Doug McKean.
By the way, at room temperature (20 degrees C, 293 degrees Kelvin)
and 1 atmosphere at sea level (760 mm mercury,) this formula
simplifies to:
V(kV)= 24.2h +6.1(h)^0.5
where
V is the breakdown voltage in KV
h is electrode spacing in cm.
Sun Microsystems has an immediate opening for an EMC Engineer II
in Burlington, MA. The job description is included below.
If interested please email your resume (Adobe .pdf preferred)
or call Ken Leith:
email: kenneth.le...@east.sun.com
phone: (781) 442-0370
Thanks,
Dan
Mark, all,
I stand corrected:
FCC part 15.31(i) requires that the peripherals be unmodified,
^
commercially available devices.
This section applies regardless of whether the product is
FCC-certified, verified, or whether a DofC is issued.
I had only
All,
I believe you guys are referring to 47CFR2.1033,
Application for certification:
(8) If the equipment for which certification is being sought
must be tested with peripheral or accessory devices connected
or installed, a brief description of those peripherals or
Gary,
Actually, the law is different if you are producing a system
assembled using modular components. Again, see 47CFR2.1075b.
(I will send this to you off the alias.)
I got this from:
http://www.access.gpo.gov/nara/cfr/index.html#page1
From your email, I can't tell if your company
Muriel,
Coilcraft has an app note that I found helpful:
http://www.webcom.com/liebman/us/reqnotes.html
Click on FAX or PDF for Common mode filter design guide.
A couple of hints:
1. For Class I ITE, know your leakage current budget.
This will determine the maximum values of your
David,
Even under normal conditions, Tantalum capacitors are
prone to failing, with the failure mode being a short-circuit.
At Sun, we use ceramic capacitors instead of Tantalum capacitors
where ever possible. In applications where high capacitance is
needed, (i.e. 47 uF and higher,) fused
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