Try:- www.ultracad.com/articles.htm and www.polarinstruments.com
 
Geoff Layhe
-----Original Message-----
From: Benjamin Zhu [mailto:[log in to unmask]]
Sent: 23 May 2001 07:31
To: [log in to unmask]
Subject: [TN] Controlled Impedance

Hi All,
Is there anybody who can tell me some information about controlled impedance, like:
* Documents
* Website where I can find information about controlled impedance
* You kindly comments about controlled impedance (Differential & Coplanar structure preferred)
Thank you for your kindly help.

Best regards,
Benjamin Zhu


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