Notch filter

Details Notch filter Notch filter

1986-07-29

1987-09-15

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Electromechanical filter

333119, 333151, 333176, 333193, 333177, H03H 964, H03H 709

Patent

active

046942661

ABSTRACT:
A notch filter which utilizes a quadrature coupler with the input signal on one of its four terminals, a first tuned surface acoustic wave device coupled to a second on of the terminals for receiving the input signal at 0.degree. phase shift, a second tuned surface acoustic wave device coupled to a third one of the terminals for receiving the input signal with a 90.degree. phase shift and the fourth terminal being utilized as the output signal terminal.

REFERENCES:
patent: 3241092 (1966-03-01), Toyshima
patent: 3965446 (1976-06-01), Craven et al.
patent: 4126837 (1978-11-01), Koyamada et al.
patent: 4166258 (1979-08-01), Tseng
patent: 4327340 (1982-04-01), Coldren
patent: 4577168 (1986-03-01), Hartmann et al.
patent: 4599587 (1986-07-01), Hartmann et al.

Affiliated with

Also associated with

Rating

Notch filter does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1388192