Lumped-element low-pass filter in multi-layered substrate

Details Lumped-element low-pass filter in multi-layered substrate Lumped-element low-pass filter in multi-layered substrate

2006-02-14

2006-02-14

Ham, Seungsook (Department: 2817)

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

C333S185000

Reexamination Certificate

active

06998938

ABSTRACT:
A lumped-element low-pass filter is formed in a multi-layered substrate. A negative mutual inductance between two inductors is adjusted to a designed value and utilized to improve the rejection in the stopband of the low-pass filter. The two inductors are spiral in shape and the orientations of the first inductor and the second inductor are of opposite sense such that a mutual inductance between the first inductor and the second inductor is negative and equals a designed value. A first capacitor and a second capacitor are shunt-connected to the first and the second inductor respectively to form the elliptic-type filter. A third capacitor is electrically connected to ground at its first end, and electrically connected to the end of the second inductor at which the second inductor in electrically connected to the first inductor in series at its second end.

REFERENCES:
patent: 5602517 (1997-02-01), Kaneko et al.
patent: 5612656 (1997-03-01), Sakamoto et al.
patent: 5977845 (1999-11-01), Kitahara
patent: 6114925 (2000-09-01), Lo
patent: 6483400 (2002-11-01), Phillips, Jr.
patent: 6714101 (2004-03-01), Kim et al.

Affiliated with

Also associated with

Rating

Lumped-element low-pass filter in multi-layered substrate does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Lumped-element low-pass filter in multi-layered substrate, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lumped-element low-pass filter in multi-layered substrate will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3695246