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:
Jan. 13, 2015
Filed:
Nov. 04, 2013
Crestcom, Inc., Scottsdale, AZ (US);
Ronald Duane McCallister, Scottsdale, AZ (US);
Eric M. Brombaugh, Mesa, AZ (US);
CrestCom, Inc., Scottsdale, AZ (US);
Abstract
An RF transmitter () includes an RF amplifier () that generates an amplified RF signal () including a linear RF signal () and a spurious baseband signal (). The spurious baseband signal () interacts with bias feed networks () to cause the RF amplifier () to generate an unwanted RF distortion at or near the allocated RF bandwidth. A baseband compensation signal () is generated and equalized in an adaptive equalizer () then fed to the RF amplifier (). A feedback signal () is obtained from the RF amplifier () and used to drive the adaptive equalizer (). A feedback loop causes the adaptive equalizer to adjust a baseband signal () supplied to the RF amplifier () so that the RF distortion is minimized.