FreeLists / si-list / [SI-LIST] Re: Serpentine switchback lengths

["S. Weir" <weirsp@xxxxxxxxxx>]

Senthil, I think you are referring to the dispersion caused by coupling 
adjacent legs of a serpentine.  Dr. Johnson offered a rule of thumb, but 
not a hard formula.  The more parallel legs, and / or the longer the 
parallel legs are, the greater the risetime degradation.

Regards,
At 02:38 PM 6/11/01 +0500, you wrote:



>In Howard johnson article on serpentine delays. For 1ns rise time signal
>the maximum useful coupled-switchback length is arrived as
>about 1 in. (2 in. round trip). Is this 1inch; Is the width of
>serpentine structure ? or the total length of U ?.
>Please let me know.
>Thanking You
>Senthil Selvam.V
>
>
>
>------------------------------------------------------------------
>To unsubscribe from si-list:
>si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field
>For help:
>si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field
>
>List archives are viewable at:     http://www.freelists.org/archives/si-list
>Old 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
For help:
si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field

List archives are viewable at:     http://www.freelists.org/archives/si-list 
Old list archives are viewable at: http://www.qsl.net/wb6tpu