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:
Dec. 06, 2022

Filed:

May. 28, 2020
Applicant:

Raytheon Company, Waltham, MA (US);

Inventors:

Ajay Subramanian, Nashua, NH (US);

Zhaoyang C. Wang, Carlisle, MA (US);

Matthew A. Morton, Reading, MA (US);

Jack Holloway, Arlington, VA (US);

John Cangeme, Hollis, NH (US);

Assignee:

RAYTHEON COMPANY, Waltham, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 17/02 (2006.01); H03H 11/26 (2006.01); H03H 15/00 (2006.01); H03H 17/08 (2006.01); H03H 17/00 (2006.01); H04B 1/525 (2015.01);
U.S. Cl.
CPC ...
H03H 17/0219 (2013.01); H03H 11/265 (2013.01); H03H 15/00 (2013.01); H03H 17/0248 (2013.01); H03H 17/0294 (2013.01); H03H 17/08 (2013.01); H03H 2015/007 (2013.01); H03H 2017/0081 (2013.01); H04B 1/525 (2013.01);
Abstract

A finite impulse response (FIR) filter including an input of the FIR filter that receives an RF input signal, a clock input configured to receive a clock signal, an output of the FIR filter that provides a filtered output signal, a plurality of signal paths including a plurality of sample-and-hold circuits and a plurality of multipliers arranged in parallel, each signal path including a respective sample-and-hold circuit and a respective multiplier being configured to receive the RF input signal and the clock signal to provide a modulated output signal, an adder configured to receive n modulated output signals from the plurality of signal paths and combine the n modulated output signals to produce the filtered output signal, and a controller.


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