Filter circuit and high frequency communication circuit...

Details Filter circuit and high frequency communication circuit... Filter circuit and high frequency communication circuit...

2005-04-05

2005-04-05

Pascal, Robert (Department: 2817)

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

C333S185000, C333S202000

Reexamination Certificate

active

06876276

ABSTRACT:
In a distributed constant filter, two λ/2 open line resonator are capacitive-coupled by an electromagnetic field coupling portion, and an input terminal and an output terminal are brought into mutual inductive coupling by an electromagnetic field coupling portion. The frequency of an attenuation pole can be close to a center frequency and the steepness of the filter characteristics can be increased.

REFERENCES:
patent: 5396201 (1995-03-01), Ishizaki et al.
patent: 5525942 (1996-06-01), Horii et al.
patent: 5576672 (1996-11-01), Hirai et al.
patent: 5719539 (1998-02-01), Ishizaki et al.
patent: 4-58721 (1992-09-01), None
patent: 7-58506 (1995-03-01), None
patent: 7-93535 (1995-10-01), None
patent: 8-32309 (1996-02-01), None
patent: 8-78907 (1996-03-01), None
patent: 2539115 (1996-07-01), None
patent: 11-205005 (1999-07-01), None
patent: 2000-13106 (2000-01-01), None
JP 7-58506 dated Mar. 3, 1995, first page only and Abstract.
JP 11-205005 dated Jul. 30, 1999, first page only and Abstract.
Konishi, Yoshihiro. “Design and Application of Communication Filter Circuit” Sogo Denshi Shuppan.
Blondy, Pierre, et al. IEEE MTT-S Digest, pp. 1181-1184, 1998.

Affiliated with

Also associated with

Rating

Filter circuit and high frequency communication circuit... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Filter circuit and high frequency communication circuit..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Filter circuit and high frequency communication circuit... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3412928