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:
Jul. 02, 2019
Filed:
Jul. 23, 2018
Tektronix, Inc., Beaverton, OR (US);
Karen Hovakimyan, San Jose, CA (US);
Tektonix, Inc., Beverton, OR (US);
Abstract
A time interleaved digital to analog converters (TIDACs) system having a pre-processing filter to filter a digital signal prior to being converted by a respective digital-to-analog converter (DAC) of the TIDACs system to correct for mismatches between the DACs of the TIDACs system. Calibrating the pre-processing includes converting a discrete waveform at a first DAC to a first analog signals and at a second DAC to a second analog signal and combining the first and second analog signals into a combined signal. An analog-to-digital converter (ADC) converts the combined signal to a digital signal to determine an actual frequency response of the TIDACs system. A desired frequency response of the TIDACs system is received and a pre-processing filter is generated for the first DAC and the second DAC based on the actual frequency response of the TIDACs system and the desired frequency response of the TIDACs system.