Apparatus and method for automatic bandwidth calibration for phase locked loop
US9634826B1 · kind B1 · utility
36Cited by
2References
24Claims
0Family size
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Key dates
| Filing date | Nov 30, 2015 |
| Grant date | Apr 25, 2017 |
| Priority date | — |
| Expiry date | Nov 30, 2035 |
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.