[SI-LIST] Re: the relationship between odd mode impedance,even mode impedance, differential impedance and common impedance

  • From: "Tang, Linda (Xin Cai)" <LindaXinCai.Tang@xxxxxxxxxx>
  • To: Winston Raj S T <WinstonRaj.ST@xxxxxxxxxx>, "si-list@xxxxxxxxxxxxx" <si-list@xxxxxxxxxxxxx>
  • Date: Thu, 12 Jul 2012 03:58:17 -0500

Hi Winston，
Thanks very much.
I saw the whole article and get their relationship.

Zodd=Z0*(1-k)=Z0-Z12=Z11-Z12
Zdiff=2Z0*(1-k)=2*(Z11-Z12)=2Zodd
Zeven=Z0*(1+k)=Z11+Z12
Zcommon=(1/2)*Z0*(1+k)=(1/2)*(Z11+Z12)=(1/2)*Zeven


Thanks and best regards,



Linda Tang
PCB design engineer
Engineering, Harman Consumer 




-----Original Message-----
From: Winston Raj S T [mailto:WinstonRaj.ST@xxxxxxxxxx] 
Sent: Thursday, July 12, 2012 3:56 PM
To: Tang, Linda (Xin Cai); si-list@xxxxxxxxxxxxx
Subject: RE: the relationship between odd mode impedance,even mode impedance, 
differential impedance and common impedance


Hi,

Kindly find the link below
http://www.ultracad.com/articles/diff_z.pdf

Regards,
Winston

-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On 
Behalf Of Tang, Linda (Xin Cai)
Sent: Thursday, July 12, 2012 12:59 PM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] the relationship between odd mode impedance,even mode 
impedance, differential impedance and common impedance

Hi all,
Who can tell me the relationship between odd mode impedance, even mode 
impedance, differential impedance and common impedance?
And what are  the equations?

Thanks and best regards,







Linda Tang
PCB design engineer
Engineering, Harman Consumer

Room 603,  604 and 704, Tower B, Kingdee Software Park, No. 2 Keji 12th Road 
South,Hi-tech Park Nan shan,Shenzhen, China, 518057
Phone: +86 755 8636 0549
Fax: +86 755 8636 0599
Email: LindaXinCai.Tang@xxxxxxxxxx
Web: www.harman.com


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