Bandpass filter

Details Bandpass filter Bandpass filter

2008-05-06

2008-05-06

Le, Dinh T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

Unwanted signal suppression

C327S552000, C327S557000, C333S174000

Reissue Patent

active

RE040292

ABSTRACT:
The bandpass filter has a comparatively large pass bandwidth, with, at the same time, comparatively steep edges up to the stop band and low attenuation in the passband. The bandpass filter contains three parallel LC elements, one of which is connected between the bandpass filter input and the bandpass filter output. The other two parallel LC elements each have one of their connections coupled to a fixed reference-ground potential.

REFERENCES:
patent: 4207590 (1980-06-01), Naimpally et al.
patent: 4215325 (1980-07-01), Sansone
patent: 4612571 (1986-09-01), Moon
patent: 4640134 (1987-02-01), Simmons
patent: 5483209 (1996-01-01), Takayama
patent: 5528204 (1996-06-01), Hoang et al.
patent: 5625894 (1997-04-01), Jou
patent: 5697087 (1997-12-01), Miya et al.
patent: 28 25 812 (1979-08-01), None
patent: 952 403 (1949-11-01), None
XP-002087971, “Switchable Bandselector”, Elektor Electronics, vol. 13, No. 147, Jul. 1987, p. 64.

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