Content-type: text/plain; charset=gb2312 Content-transfer-encoding: 7BIT Hi all, I also want to know root cause of this application. Any thought on it would be appreciated. Best regards. Zhuyongfa HUAWEI TECHNOLOGIES CO.,LTD. Address: Huawei Industrial Base Bantian Longgang Shenzhen 518129, P.R.China Tel:+86-755-89653025 Fax: +86-755-89650731 E-mail: zhuyongfa@xxxxxxxxxx www.huawei.com ------------------------------------------------------------------------------------------------------------------------------------- This e-mail and its attachments contain confidential information from HUAWEI, which is intended only for the person or entity whose address is listed above. Any use of the information contained herein in any way (including, but not limited to, total or partial disclosure, reproduction, or dissemination) by persons other than the intended recipient(s) is prohibited. If you receive this e-mail in error, please notify the sender by phone or email immediately and delete it! ----- Original Message ----- From: Vijay Anand To: si-list@xxxxxxxxxxxxx Sent: Tuesday, November 06, 2007 6:30 PM Subject: [SI-LIST] LED with series bead Dear All, In our design we connect a bead in series with LED while driving from an I/O pin. I dont know why this bead is connected ( still series resistor is there for current limiting). Is there is any relation with EMI? Kindly do the needful. With Regards, Vijay Anand. G ------------------------------------------------------------------ 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: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List technical documents are available at: http://www.si-list.net List archives are viewable at: //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 -- Binary/unsupported file stripped by Ecartis -- -- Type: image/jpeg -- File: outlook_huawei_logo_en.jpg ------------------------------------------------------------------ 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: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List technical documents are available at: http://www.si-list.net List archives are viewable at: //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