[SI-LIST] PI filter

Hi Gurus,
Does anyone know why do we use PI filter for RGB and TV signal.
In my opinion, the front capacitor(which the signal arrive first) is not
very necessary.

Thanks
Jerry
-------------------------------------------------------------------------=
----------
This email message is for the sole use of the intended recipient(s) and m=
ay contain
confidential information.  Any unauthorized review, use, disclosure or di=
stribution
is prohibited.  If you are not the intended recipient, please contact the=
=20sender by
reply email and destroy all copies of the original message.
-------------------------------------------------------------------------=
----------
------------------------------------------------------------------
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:
http://www.freelists.org/webpage/si-list

For help:
si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field

List FAQ wiki page is located at:
                http://si-list.org/wiki/wiki.pl?Si-List_FAQ

List technical documents are available at:
                http://www.si-list.org

List archives are viewable at:     
                http://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

Other related posts: