Multi-band low noise amplifier system

Details Multi-band low noise amplifier system Multi-band low noise amplifier system

2006-04-04

2006-04-04

Pascal, Robert (Department: 2817)

Amplifiers

With plural amplifier channels

Amplifying different frequencies in different channels

C330S311000

Reexamination Certificate

active

07023272

ABSTRACT:
A low noise amplifier (LNA) operates over multiple frequency bands while occupying less silicon area than known LNA implementations. The LNA includes output matching that can be tuned by an adjustable inductor together with a tunable capacitor bank.

REFERENCES:
patent: 5880634 (1999-03-01), Babanezhad
patent: 6674337 (2004-01-01), Hashemi et al.
patent: 6838944 (2005-01-01), Franca-Neto
patent: 2003/0112076 (2003-06-01), Wang
“A Low-Noise Amplifier For A Multi-Band and Multi-Mode Handset”, Chang-Soek Lee, et al., 1998 IEEE Radio Frequency Integrated Circuits Symposium, Jun. 1998, pp. 47-50.
“A Merged Structure of LNA & Sub-Harmonic Mixer for Multi-band DCR Applications”, Kwang-Jin Koh, et al., 2003 IEEE MTT-S International Microwave Symposium Digest, V. 1, Jun. 2003, pp. 243-246.
“A Pseudo-Concurrent 0.18 μm Multi-Band CMOS LNA”, Seyed Hossein Miri Lavasani (SM) et al., IEEE MTT-S International Microwave Symposium Digest, V. 1, Jun. 2003, pp. A181-A184.
“Demonstration of a Switched Resonator Concept in a Dual-Band Monolithic CMOS LC-Tuned VCO”, Seong-Mo Yim, et al., IEEE Conference of Custom Integrated Circuits, May 2001, pp. 205-208.

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