Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ravindraraj Ramaraju0
Elham Zamanidoost0
Elhossin Abdelmonem Elshafey0
Masoud Zamani0
Date of Patent
March 30, 2021
0Patent Application Number
167936610
Date Filed
February 18, 2020
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Certain aspects are directed to a time-to-digital converter (TDC) that allows for a more accurate jitter measurement. The TDC generally includes a ring oscillator (RO) having a plurality of taps and configured to generate a plurality of RO signals at the plurality of taps, a counter having an input coupled to an oscillating node, and at least two sampling circuits, each having an input coupled to an output of the counter. In certain aspects, the at least two sampling circuits are configured to sample a count signal at the output of the counter based on at least two of the plurality of RO signals at the plurality of taps.
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