The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 21, 2006
Filed:
Nov. 29, 2001
Myles Wakayama, Laguna Niguel, CA (US);
Dana Vincent Laub, Irvine, CA (US);
Frank Carr, Newport Beach, CA (US);
Afshin Mellati, Aliso Viejo, CA (US);
David S. P. Ho, Singapore, SG;
Hsiang-bin Lee, Irvine, CA (US);
Chun-ying Chen, Irvine, CA (US);
James Y. C. Chang, Irvine, CA (US);
Lawrence M. Burns, Laguna Hills, CA (US);
Young Joon Shin, Irvine, CA (US);
Patrick Pai, Honolulu, HI (US);
Iconomos A. Koullias, Reading, PA (US);
Ron Lipka, Sinking Spring, PA (US);
Luke Thomas Steigerwald, Sinking Spring, PA (US);
Alexandre Kral, Laguna Niguel, CA (US);
Myles Wakayama, Laguna Niguel, CA (US);
Dana Vincent Laub, Irvine, CA (US);
Frank Carr, Newport Beach, CA (US);
Afshin Mellati, Aliso Viejo, CA (US);
David S. P. Ho, Singapore, SG;
Hsiang-Bin Lee, Irvine, CA (US);
Chun-Ying Chen, Irvine, CA (US);
James Y. C. Chang, Irvine, CA (US);
Lawrence M. Burns, Laguna Hills, CA (US);
Young Joon Shin, Irvine, CA (US);
Patrick Pai, Honolulu, HI (US);
Iconomos A. Koullias, Reading, PA (US);
Ron Lipka, Sinking Spring, PA (US);
Luke Thomas Steigerwald, Sinking Spring, PA (US);
Alexandre Kral, Laguna Niguel, CA (US);
Broadcom Corporation, Irvine, CA (US);
Abstract
A direct conversion satellite tuner is fully integrated on a common substrate. The integrated tuner receives an RF signal having a plurality of channels and down-converts a selected channel directly to baseband for further processing. The integrated tuner includes on-chip local oscillator generation, tunable baseband filters, and DC Offset cancellation. The integrated tuner can be implemented in a completely differential I/Q configuration for improved electrical performance. The entire direct conversion satellite tuner can be fabricated on a single semiconductor substrate using standard CMOS processing, with minimal off-chip components. The tuner configuration described herein is not limited to processing TV signals, and can be utilized to down-convert other RF signals to an IF frequency or baseband.