Post subject: Bridge-T filter Posted: Tue Mar 06, 2007
Joined: Tue Mar 06, 2007 2:40 pm
I need some basic design information on RF bridge-T trap
filters. (equations, sample circuits)
I need a narrow, deep notch
at VHF. I built series shunt traps but the -3db points were too wide.
Good notch depth, though.
Also, to cascade traps, is there a
low loss coupling method other than 1/4 wave coax sections?