Polyphase-notchfilter

Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – Unwanted signal suppression

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C327S552000

Reexamination Certificate

active

06980049

ABSTRACT:
The invention relates to a Polyphase-Notchfilter for filtering input signals comprising known bandpass filters, which comprise voltage-controlled current sources. To provide an integrated circuit that has notch filter functionality with reduced circuit erogation, that allows high suppression with little matching effort and reduced power consumption it is proposed that at least two second voltage-controlled current sources are provided, that said at least four input means are coupled to said at least two second voltage-controlled current sources, and that said at least four output means are coupled to said at least two second voltage-controlled current sources, and that said at least one second voltage-controlled current sources are coupled antiparallel to bandpass filter.

REFERENCES:
patent: 4884036 (1989-11-01), Koyama et al.
patent: 5220686 (1993-06-01), Kasperkovitz et al.
patent: 6069522 (2000-05-01), Venkatraman et al.
patent: 6184748 (2001-02-01), Rao et al.
patent: 6429733 (2002-08-01), Pagliolo et al.
patent: 6512414 (2003-01-01), Yokoyama et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Polyphase-notchfilter does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Polyphase-notchfilter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polyphase-notchfilter will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3488488

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.