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.

Date of Patent:
Nov. 30, 2021

Filed:

Sep. 30, 2020
Applicant:

Realtek Semiconductor Corporation, Hsinchu, TW;

Inventor:

Chih-Chieh Wang, Hsinchu, TW;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04B 17/11 (2015.01); H04B 17/19 (2015.01); H04B 17/10 (2015.01); H04B 1/04 (2006.01); H04L 7/033 (2006.01); H03L 7/099 (2006.01);
U.S. Cl.
CPC ...
H04B 1/0475 (2013.01); H03L 7/0991 (2013.01); H04B 17/11 (2015.01); H04L 7/0331 (2013.01);
Abstract

The application discloses a transmitter with self-interference calibration ability, including: a signal generation unit for generating a signal; a CORDIC for generating an amplitude modulation signal and a phase modulation signal according to the signal; phase processing unit, for generating a frequency signal according to the phase modulation signal; a DPLL, including: a DCO, self-interference calibration unit, for generating phase compensation according to the signal, a phase difference and a reference clock; and a DCO control generation unit; and an output unit, for generating an output signal according to the amplitude modulation signal and a DCO output signal.


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