Wave transmission lines and networks – Coupling networks – Frequency domain filters utilizing only lumped parameters
Reexamination Certificate
2005-03-15
2005-03-15
Pascal, Robert (Department: 2817)
Wave transmission lines and networks
Coupling networks
Frequency domain filters utilizing only lumped parameters
C333S172000, C333S176000
Reexamination Certificate
active
06867665
ABSTRACT:
An integrated RF filter for use at microwave frequencies comprising: an integrated circuit inductor with connected integrated circuit capacitors, arranged as a tank circuit, and an integrated circuit shunt resistor; the inductor, capacitors and resistor being interconnected in a bridge-T filter arrangement.
REFERENCES:
patent: 2093665 (1937-09-01), Tellegen
patent: 2207796 (1940-07-01), Grundmann
patent: 2606966 (1952-08-01), Pawley
patent: 3325753 (1967-06-01), Shearer et al.
patent: 3898375 (1975-08-01), Hannan et al.
patent: 5105172 (1992-04-01), Khatibzadeh et al.
patent: 5121078 (1992-06-01), Havot et al.
patent: 5202651 (1993-04-01), Yoshimasu
patent: 5635892 (1997-06-01), Ashby et al.
patent: 5697087 (1997-12-01), Miya et al.
patent: 5918167 (1999-06-01), Tiller et al.
patent: 6606012 (2003-08-01), Novak
patent: 0841560 (1960-07-01), None
Millman, Microelectronics: Digital and Analog Circuits and Systems, McGraw-Hill Book Co., p. xxii, 1979.*
M.A. Copeland et al., “5-GHz SiGe HBT Monolithic Radio Transceiver with Tunable Filtering,” IEEE Transactions on Microwave Theory and Techniques, 48(2):170-181, 2000.
J. Macedo et al., “A 2.5GHz Monolithic Silicon Image Reject Filter,” IEEE 1996 Custom Integrated Circuits Conference, pp. 193-196, 1996.
B. Ray et al., “A Highly Linear Bipolar 1V Folded Cascode 1.9GHz Low Noise Amplifier,” IEEE BCTM, pp. 157-160, 1999.
Manku Tajinder
Ray Bish
Gates & Cooper LLP
Glenn Kimberly
Pascal Robert
Sirific Wireless Corporation
LandOfFree
Filters implemented in integrated circuits does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Filters implemented in integrated circuits, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Filters implemented in integrated circuits will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3456277