Phase-locked loop having a multi-band oscillator and method for calibrating same
PC Dato, DM Dalton, PG Crowley - US Patent 10,727,848, 2020 - Google Patents
A phase-locked loop (PLL) comprising a multi-band oscillator and a memory configured to
store control input for the oscillator. The PLL is operable in a calibration mode in which the …
store control input for the oscillator. The PLL is operable in a calibration mode in which the …
On-chip measurement for phase-locked loop
VK Chillara, PC Dato, DM Dalton - US Patent 10,295,580, 2019 - Google Patents
A chip includes a phase-locked loop (PLL) and a test controller. The PLL includes an
oscillator and a phase detector. In a normal mode, a first feedback loop includes a phase …
oscillator and a phase detector. In a normal mode, a first feedback loop includes a phase …
AFLL with increased timing margin
Y YangGong, S Turullols, C Hwang, DS Woo - US Patent 9,312,864, 2016 - Google Patents
In an integrated circuit that provides a clock signal, an asymmetric frequency-locked loop
(AFLL) includes a first digitally controlled oscillator (DCO) that outputs a first signal having a …
(AFLL) includes a first digitally controlled oscillator (DCO) that outputs a first signal having a …
Method and apparatus for generating output frequency locked to input frequency
AM Mallinson - US Patent 11,211,938, 2021 - Google Patents
A digitally controlled oscillator (DCO) that generates an output frequency clock signal
without drift and can be rapidly locked to an input or reference clock is described. A variable …
without drift and can be rapidly locked to an input or reference clock is described. A variable …
Frequency measurement circuit with adaptive accuracy
X Wu, J Fredenburg - US Patent 11,496,139, 2022 - Google Patents
A frequency measurement circuit includes a counter circuit to receive a first digitally-
controlled oscillator (DCO) clock signal corresponding to a first DCO input codeword and a …
controlled oscillator (DCO) clock signal corresponding to a first DCO input codeword and a …
Systems and methods for frequency domain calibration and characterization
CY Lu, WY Li, KM Nguyen, A Ravi… - US Patent …, 2020 - Google Patents
(57) ABSTRACT A system for assigning a characterization and calibrating a parameter is
disclosed. The system includes a frequency measurement circuit and a finite state machine …
disclosed. The system includes a frequency measurement circuit and a finite state machine …
Systems and methods for frequency domain calibration and characterization
CY Lu, WY Li, KM Nguyen, A Ravi… - US Patent …, 2019 - Google Patents
(57) ABSTRACT A system for assigning a characterization and calibrating a parameter is
disclosed. The system includes a frequency measurement circuit and a finite state machine …
disclosed. The system includes a frequency measurement circuit and a finite state machine …
Systems and methods for frequency domain calibration and characterization
CY Lu, WY Li, KM Nguyen, A Ravi… - US Patent …, 2019 - Google Patents
A system for assigning a characterization and calibrating a parameter is disclosed. The
system includes a frequency measurement circuit and a finite state machine. The frequency …
system includes a frequency measurement circuit and a finite state machine. The frequency …
Systems and methods for frequency domain calibration and characterization
CY Lu, WY Li, KM Nguyen, A Ravi… - US Patent …, 2017 - Google Patents
(57) ABSTRACT A system for assigning a characterization and calibrating a parameter is
disclosed. The system includes a frequency measurement circuit and a finite state machine …
disclosed. The system includes a frequency measurement circuit and a finite state machine …