Patent ID: 6137880
Filing Date: 2000-10-24
Classification: H04M,H04Q

Abstract:
A filter comprising:a first inductor having first and second coils, each of said coils having a first and a second terminal;first and second resistors connected in series between the first and second terminals of said first coil;a first capacitor connected in parallel with the first resistor, said first capacitor connected between one of the terminals of said first coil and a first node defined between said first and second resistors;third and fourth resistors connected in series between the first and second terminals of said second coil;a second capacitor connected in parallel with the third resistor, said second capacitor connected between one of the terminals of said second coil and a second node defined between said third and fourth resistors, wherein said first terminals of said first and second coils define a first port of said filter, and said second terminals of said first and second coils define a second port of said filter; anda third capacitor connected in parallel with said first port.