Apparatus and method for automatic bandwidth calibration for phase locked loop
US10581444B2 · kind B2 · utility
0Cited by
3References
21Claims
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Key dates
| Filing date | Aug 7, 2018 |
| Grant date | Mar 3, 2020 |
| Priority date | — |
| Expiry date | Aug 7, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M1/0607
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Described is an apparatus which comprises: a time-to-digital converter (TDC) to receive a reference clock and a feedback clock, wherein the TDC is to generate a digital output code representing a time difference between the reference clock and the feedback clock; a circuitry to apply a digital code to an output of the TDC; and a node to receive the digital output code from the TDC and the digital code from the circuitry, wherein the circuitry is to monitor the digital output code and to control the TDC according to at least the monitored digital output code.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.