2009-07-25 17:13 (UTC) | Spinningspark | 79408 (bytes) | 1076×994 | {{Information |Description=Examples of low-pass filters demonstrating electrical symmetry and antimetry without being physically symmetric and antimetric networks |Source=Self created using Inkscape |Date=25th July 2009 |Author=~~~ |other_versions= }} ==
(Original text) : {{Information |Description=Examples of low-pass filters demonstrating electrical symmetry and antimetry without being physically symmetric and antimetric networks |Source=Self created using Inkscape |Date=25th July 2009 |Author=~~~ |othe