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. 12, 2023
Filed:
Aug. 22, 2022
Applicant:
Ambarella International Lp, Santa Clara, CA (US);
Inventor:
Yueh Chun Cheng, Cupertino, CA (US);
Assignee:
Ambarella International LP, Santa Clara, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/099 (2006.01); H03L 7/08 (2006.01); H03B 5/04 (2006.01); H03L 7/089 (2006.01);
U.S. Cl.
CPC ...
H03L 7/0995 (2013.01); H03B 5/04 (2013.01); H03L 7/0802 (2013.01); H03L 7/0891 (2013.01);
Abstract
An apparatus comprises a first circuit and a second circuit The first circuit may be configured to generate a control current signal in response to a supply voltage and a first input signal. The first circuit generally provides supply noise rejection to variations in the supply voltage. The second circuit is generally connected to the first circuit and comprises a programmable ring oscillator configured to generate an output signal having a frequency based on the control current signal and a value of a second input signal.