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:
Dec. 03, 2019
Filed:
Nov. 09, 2017
Applicant:
Raytheon Company, Waltham, MA (US);
Inventors:
Tuan M. Tong, Frisco, TX (US);
William K. Mcgehee, Mckinney, TX (US);
Michael R. Patrizi, Allen, TX (US);
Assignee:
RAYTHEON COMPANY, Waltham, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/06 (2006.01); H03L 7/18 (2006.01); H03L 7/24 (2006.01); H03L 7/20 (2006.01);
U.S. Cl.
CPC ...
H03L 7/18 (2013.01); H03L 7/20 (2013.01); H03L 7/24 (2013.01); H03L 2207/10 (2013.01);
Abstract
A signal generator. A voltage controlled oscillator generates a signal that is fed to a comb generator, e.g., a nonlinear transmission line. A tone, from among a comb of tones at the output of the comb generator, is selected by a bandpass filter, its frequency is divided, e.g., by a direct digital synthesizer, and the result is compared, e.g., by a phase and frequency detector that receives a reference signal at its other input. The output of the phase and frequency detector is fed back, e.g., through a lowpass filter, to the voltage controlled oscillator.