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:
Mar. 11, 2025
Filed:
Sep. 06, 2022
Infineon Technologies Ag, Neubiberg, DE;
Andreas Schwarz, Depping, AT;
Thomas Bauernfeind, Arbing, AT;
Thorsten Brandt, Paphos, CY;
Bernhard Greslehner-Nimmervoll, Hagenberg i.M., AT;
Daniel Maier, Schenkenfelden, AT;
Francesco Lombardo, Munich, DE;
Nicolo Guarducci, Linz, AT;
INFINEON TECHNOLOGIES AG, Neubiberg, DE;
Abstract
A frequency linearity measurement circuit configured to measure a frequency linearity of a frequency signal includes: a first measurement circuit having a counter, where the counter is controlled by a gate signal having a gate signal period, where the first measurement circuit is configured to generate a first estimate of an integer number of clock cycles of the frequency signal within a respective gate signal period of the gate signal; a second measurement circuit having a time-to-digital converter (TDC), where the TDC is controlled by the gate signal, and is configured to generate a second estimate of a fractional number of clock cycle of the frequency signal within the respective gate signal period of the gate signal; and a reference measurement circuit configured to generate a third estimate of an expected number of clock cycles within the respective gate signal period of the gate signal.