[SI-LIST] Re: Damping board resonances using discrete resistors - frequency domain data
- From: steve weir <weirsi@xxxxxxxxxx>
- To: Doug Smith <doug@xxxxxxxxxx>
- Date: Sun, 07 Mar 2010 22:25:10 -0800
For anyone who missed the previous pieces in Doug's series on board /
box resonances, they are well worth viewing.
Steve.
Doug Smith wrote:
> Hi All,
> I just posted my Technical Tidbit for March, 2010. Together with the
> Februaryarticle, the two Technical Tidbits treat damping board resonances
> caused by the capacitance between two PCBs and the inductance of the
> conductor connecting them.
>
> Technical Tidbit - February 2010
> Damping Board Resonances Using Discrete Resistors
> URL: http://emcesd.com/tt2010/tt020310.htm[1]
>
> February's Technical Tidbit details a method of damping the resonance that
> occurs when two circuit boards or one board and a chassis are connected by a
> conductor. The method is simple and inexpensive.
>
> Abstract: When circuit boards are connected by conductors, a resonant
> circuitresults from the inductance of the conductors and the capacitance
> between the circuit boards. A simple way to damp such board resonances is
> discussed. The method can be very useful if the designer is restricted to
> only one connection point between two boards and applies both to a pair of
> boards or a single board mounted over a metal chassis.
>
> Technical Tidbit - March 2010
> Damping Board Resonances Using Discrete Resistors - Part Two
> (Frequency Domain Measurements)
> URL: http://emcesd.com/tt2010/tt030410.htm[2]
>
> This month's Technical Tidbit details a method of damping the resonance that
> occurs when two circuit boards or one board and a chassis are connected by a
> conductor. The method is simple and inexpensive. Data is presented in the
> frequency domain.
>
> Abstract: When circuit boards are connected by conductors, a resonant
> circuitresults from the inductance of the conductors and the capacitance
> between the circuit boards. A simple way to damp such board resonances is
> discussed and measurements presented in the frequency domain. The method can
> be very useful if the designer is restricted to only one connection point
> between two boards and applies both to a pair of boards or a single board
> mounted over a metal chassis. This Technical Tidbit is an extension of the
> February 2010 Technical Tidbit time domain results to the frequency domain.
>
>
> To this point, I have published over 150 technical papers and Technical
> Tidbits! When I started the Technical Tidbits, I wondered how long it would
> be before I ran out of ideas to write about. Now, there seems like an
> endlesssupply of ideas to write about. In addition, I am generating 3 audio
> podcasts and a video tutorial per week as well. Keeping busy.
>
> ------------------------------------------------------- Have a good month,
> Doug
> -- ------------------------------------------------------- ___ _ Doug Smith
> \/ ) P.O. Box 1457 ========= Los Gatos, CA 95031-1457 _ / \ / \ _ TEL/FAX:
> 408-356-4186/358-3799 / /\ \ ] / /\ \ Mobile: 408-858-4528 | q-----( ) | o |
> Email: doug@xxxxxxxxxx[3] \ _ / ] \ _ / Website: http://www.dsmith.org[4]
> -------------------------------------------------------
>
> --- Links ---
> 1 http://emcesd.com/tt2010/tt020310.htm
> 2 http://emcesd.com/tt2010/tt030410.htm
> 3 mailto:doug@xxxxxxxxxx
> 4 http://www.dsmith.org
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--
Steve Weir
IPBLOX, LLC
150 N. Center St. #211
Reno, NV 89501
www.ipblox.com
(775) 299-4236 Business
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