[SI-LIST] : Need Information on effect of 45 degree angles on high speed sign

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I am trying to find out at what frequency does a 45 degree angle in
circuit traces have a large affect. Has there ever been a study on the
impact of 45 degree angles on circuit board traces? If so, where can I get
some further information.

Howard Johnsons book states "Don't worry about 45 degree angles they
are fine as is." Has anyone ever had a problem that contradicts this
statement?

I am designing a board right now that has clock frequencies up to
622 MHz. I believe I will not have any problems using 45 degree angles at
622 MHz, but would appreciate anyone's input on this issue.

Thanks in advance for your help.

Paul S. Denomme
Backplane Design Engineer
Viasystems Technologies Inc.
Richmond, VA 23113
804-226-5355
E-MAIL: [email protected]

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