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. 19, 2019

Filed:

Dec. 27, 2018
Applicant:

Keithley Instruments, Llc, Solon, OH (US);

Inventors:

William C. Weeman, Aurora, OH (US);

Gregory Roberts, II, Cleveland, OH (US);

Assignee:

Keithley Instruments, LLC, Solon, OH (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/66 (2006.01); G01R 1/067 (2006.01);
U.S. Cl.
CPC ...
H03M 1/66 (2013.01); G01R 1/06766 (2013.01);
Abstract

A digital-to-analog converter, including an input to receive a digital signal; a first comparator configured to receive the digital signal and output a first signal based on the digital signal and a first threshold; a second comparator configured to receive the digital signal and output a second signal based on the digital signal and a second threshold, the second threshold different from the first threshold; and an integrator configured to receive the first signal and the second signal and integrate the first signal and the second signal into an analog signal that represents the digital signal.


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