You bet! The capacitor formed by parallel plate capacitance is the best in you PCB. Lee Vinu Arumugham wrote: > Can the laminates be viewed as parallel plate capacitors? At high frequencies, > the eddy currents will then have a low impedance path. > > Thanks, > Vinu > > Steve Rogers wrote: > > > I have seen a number of simple derivations explaining why it is a good idea > > to laminate a conductor which lies in a magnetic field. The idea being to > > slice up the material in the direction of the flux and hence break the path > > of eddy currents. This is all very well and good, I then find it mentioned > > in passing that this technique fails at high frequency but have not yet > > found a good explanation as to why? > > > > Would anyone care to have a stab at an explanation, or maybe poiint me in > > the direction of one? > > > > Thanks in advance > > > > Steve > > > > Steve Rogers B.Eng(Hons) AMIEE > > RF Design Engineer > > Micromill Electronics Limited > > > > email: srogers@xxxxxxxxxxxxx > > Tel : +44 (0) 2392 366600 > > Fax : +44 (0) 2392 366673 > > Website: http://www.micromill.com > > > > Micromill Electronics Limited > > Leydene House > > Waterberry Drive > > Waterlooville > > Hampshire > > PO7 7XX > > United Kingdom > > > > Registered No. 1456922 (England). Registered Address: Brook Road, Wimborne, > > Dorset, BH21 2BJ. > > > > THIS EMAIL AND ANY ATTACHED FILES ARE CONFIDENTIAL AND MAY BE LEGALLY > > PRIVILEGED > > If you are not the addressee, any disclosure, reproduction, copying, > > distribution, or other dissemination or use of this communication is > > strictly prohibited. If you have received this transmission in error please > > notify the sender immediately and then delete this e-mail. > > > > It is the policy of Micromill Electronics Limited that no legally binding > > statements, representations or commitments (collectively 'statements') may > > be made by e-mail. Any such statements must be confirmed either by > > facsimile transmission or by post before they will have legal effect. The > > sender of this e-mail is not authorised to commit the company in any way and > > the addressee is hereby formally notified of that fact. > > > > ------------------------------------------------------------------ > > To unsubscribe from si-list: > > si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field > > > > or to administer your membership from a web page, go to: > > http://www.freelists.org/webpage/si-list > > > > For help: > > si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field > > > > List archives are viewable at: > > http://www.freelists.org/archives/si-list > > or at our remote archives: > > http://groups.yahoo.com/group/si-list/messages > > Old (prior to June 6, 2001) list archives are viewable at: > > http://www.qsl.net/wb6tpu > > > > ------------------------------------------------------------------ > To unsubscribe from si-list: > si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field > > or to administer your membership from a web page, go to: > http://www.freelists.org/webpage/si-list > > For help: > si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field > > List archives are viewable at: > http://www.freelists.org/archives/si-list > or at our remote archives: > http://groups.yahoo.com/group/si-list/messages > Old (prior to June 6, 2001) list archives are viewable at: > http://www.qsl.net/wb6tpu ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: http://www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List archives are viewable at: http://www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu