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Matches 451 - 500 out of 23,642

Document Document Title
WO/2020/012550A1
This phase synchronization circuit comprises: a first delay circuit (311) that delays a first reference clock signal by an adjustable first delay amount and outputs a first delayed reference clock signal; first clock control circuits (31...  
WO/2020/013917A1
Power conservation in a phase locked loop (PLL) places the PLL into a low-power mode and periodically reactivates the PLL to prevent leakage current from causing a voltage controlled oscillator (VCO) within the PLL to drift. The PLL also...  
WO/2020/012557A1
This phase-locked loop circuit is configured to comprise: a frequency division ratio control circuit (8) that, in synchronization with a frequency division signal output from a variable frequency divider (7), controls the frequency divis...  
WO/2020/009833A1
A voltage controlled oscillator (VCO) is disclosed to provide reduced phase noise at higher operating frequencies. A buffer-first VCO configured according to an embodiment includes multiple VCO core circuits configured to provide synchro...  
WO/2020/008573A1
A frequency modulation oscillation source (100) comprises: a voltage-controlled oscillator (5) in which oscillation frequency is controlled on the basis of a modulation control voltage generated by integrating a comparison result signal ...  
WO/2020/006989A1
Techniques are described for fast wakeup of a crystal oscillator circuit. Embodiments operate in context of a crystal oscillator coupled with a phase-locked loop (PLL). For example, prior to entering sleep mode, embodiments retain a prev...  
WO/2020/005432A1
Techniques and mechanisms for an integrated circuit (IC) chip to generate a clock signal for use by one or more resources of the IC chip. In an embodiment, a clock signal is generated with phase-locked loop (PLL) circuitry of an IC chip ...  
WO/2020/003514A1
This phase amplitude controlled oscillator is configured such that a first controller (5) and a second controller (6) control the phase of an output wave after synthesis by a synthesizer (4), by shifting the phases of the oscillation fre...  
WO/2019/240961A1
According to one embodiment, a millimeter-wave (mm-wave) frontend integrated circuit includes an array of mm-wave transceivers, where each of the mm-wave transceivers transmits and receives coherent mm-wave signals with variable amplitud...  
WO/2019/241424A1
Methods and systems are described for obtaining a sequence of data decisions and an error signal generated by one or more samplers operating on a received input signal according to a sampling clock, applying the sequence of data decision...  
WO/2019/232610A1
A compensation circuit for an oven-controlled crystal oscillator serving as a reference for a phase-locked loop in holdover mode is disclosed. A non-linear function module generates a modified aging signal that is a non-linear function o...  
WO/2019/236936A1
In examples, a voltage-controlled oscillator (VCO) (110) comprises an inductor (118); a first pair of transistors (128, 130) having first terminals (103, 101) coupled to a voltage source (132), second terminals (109, 105) coupled to oppo...  
WO/2019/231774A1
According to one embodiment, a dual voltage controlled oscillator (VCO) circuit includes a first VCO and a second VCO. The first VCO includes: a first variable capacitor having an input node, a first output node, and a second output node...  
WO/2019/231523A1
Oscillator calibration circuits and wireless transmitters including oscillator calibration circuits. An oscillator calibration circuit includes a first frequency locking circuit (FLC) coupled to a first oscillator, wherein the first FLC ...  
WO/2019/231857A1
An example sigma delta modulator (SDM) circuit includes a floor circuit (306), a subtractor (308) having a first input coupled an input of the floor circuit and a second input coupled to an output of the floor circuit, and a multi-stage ...  
WO/2019/231771A1
According to one embodiment, a phase locked loop (PLL) circuit includes a first voltage controlled oscillator (VCO) to generate a first signal having a first frequency and a second VCO to generate a second signal having a second frequenc...  
WO/2019/228054A1
Embodiments of the present application provide a phase locking device and a phase locking method. The phase locking device comprises an amplitude adjustment unit, an amplitude and phase discriminator connected to the amplitude adjustment...  
WO/2019/225135A1
A PLL circuit according to the present disclosure comprises: a divider (5) that divides a reference clock signal and outputs a divided clock signal; a phase comparator (2, 22) that compares the phases of the reference clock signal and th...  
WO/2019/067194A9
A circuit and method enables multiple serializer/deserializer (SerDes) data lanes of a physical layer device (PHY) to operate across a broad range of diversified data rates that are independent from lane to lane. The multiple SerDes data...  
WO/2019/223876A1
A device for measuring the delay of a delay line in a phase-locked loop comprising an oscillator, the device being configured to: determine a difference between a first oscillator phase at a first time and a second oscillator phase at a ...  
WO/2019/222245A1
A phase-locked loop circuit (100) includes a first time-to-digital converter (TDC) (102) to receive an input reference signal (101), a digital-controlled oscillator (DCO) (116), and a first divider (130) coupled to an output of the DCO (...  
WO/2019/210473A1
Provided are a clock data recovery apparatus, an optical line terminal and a passive optical communication system. The clock data recovery apparatus comprises: a phase detection loop unit, a frequency oscillation unit, a frequency detect...  
WO/2019/212662A1
Exemplary systems, apparatus, and methods described herein may improve a scan process for near field communications, such as IEEE 802.15.4. The improvements may include, during the scan process, performing one of increasing a current of ...  
WO/2019/213654A1
A time-to-digital converter circuit (100) includes a logic gate (130) configured to receive a first trigger signal indicative of a first clock signal and a second trigger signal indicative of a second clock signal. The logic gate (130) i...  
WO/2019/209495A1
A resonance system is disclosed, which includes a first resonance device configured to receive a drive signal and generate an output signal, a second resonance device configured to receive a control signal and generate the drive signal b...  
WO/2019/205177A1
A phase locked loop, comprising: an oscillator; a digital switch capacitor array connected in parallel to a varactor in the oscillator, the digital switch capacitor array comprising N switch capacitors connected in parallel, and N being ...  
WO/2019/201260A1
A local oscillator (LO) distribution system is described. The LO system includes a plurality of phase-locked loop (PLL) modules coupled to each other in a one-way, circulant coupling topology. Each PLL module receives a reference clock s...  
WO/2019/191895A1
Provided are a phase-locked loop and a terminal device. The phase-locked loop comprises: a phase detector, a charge pump, a low-pass filter, and a voltage-controlled oscillator. The phase detector is connected to the low-pass filter by m...  
WO/2019/190567A1
A digital phase-locked loop has a digitally controlled oscillator with a first coarse tuning field for coarse tuning of the oscillator frequency, a second coarse tuning field for tuning of the oscillator frequency at finer intervals than...  
WO/2019/183866A1
A frequency generator, comprising a control unit for receiving an input signal to generate a divisor signal, a phase signal and a cycle signal; a frequency divider for receiving the input signal, and performing integer frequency division...  
WO/2019/190558A1
Techniques are provided for reducing or mitigating phase noise of a digital phase lock loop or the system depending on the digital phase lock loop. In an example, a multiple-mode digital phase lock loop can include a digital phase lock l...  
WO/2019/191455A1
Some embodiments include apparatus having sampling circuitry, a first circuit path, a second circuit path, and a digitally controlled oscillator (DCO). The sampling circuit samples an input signal and provide data information and phase e...  
WO/2019/185054A1
A frequency multiplier, a digital phase lock loop circuit and a frequency multiplying method. The frequency multiplier comprises: a clock controller for receiving an output signal from a time-to-digital converter in a digital phase lock ...  
WO/2019/183943A1
Provided in an embodiment of the present invention are an automatic amplitude control device and method. The device comprises: an oscillator and a current source array, wherein one terminal of the current source array is coupled with a s...  
WO/2019/188990A1
[Problem] To provide a technique, with respect to an oscillating device that uses a crystal oscillator and stabilizes an oscillating frequency on the basis of an external clock signal, for stabilizing the oscillating frequency that is ou...  
WO/2019/182642A1
A clock recovery circuit for providing clock recovery from a burst signal that is periodically present and absent in a noisy channel. The recovery circuit includes an outer main tracking second-order phase locked loop (PLL) having an ana...  
WO/2019/182697A1
An apparatus is provided which comprises: a frequency locked loop (FLL) comprising an oscillator including a plurality of delay stages, wherein an output of each delay stage is counted to determine a frequency of the FLL; and one or more...  
WO/2019/178748A1
A frequency generator. The frequency generator comprises a sigma-delta modulator for generating a divisor control signal and a phase control signal; an oscillator for generating an oscillation signal, the oscillation signal having a firs...  
WO/2019/178174A1
A phase-locked loop (PLL) includes a selection circuit (102) including multiple inputs, each input to receive a separate reference clock. A programmable reference clock divider (104) divides down the reference clock selected by the selec...  
WO/2019/178176A1
A phase-locked loop (PLL) system (100) includes a first PLL (170) coupled to receive a first reference clock. The PLL system (100) also includes a second PLL (140) coupled to receive a second reference clock. The output of the second PLL...  
WO/2019/177532A1
A divider synchronization device (100) is disclosed, which comprises at least first and second circuit portions (102, 104) configured to generate respective radio signals for multichannel transmission, each circuit portion having a proce...  
WO/2019/177945A1
A circuit for receiving a signal in an integrated circuit is described. The circuit comprises a sampler (202) configured to receive an input data signal, wherein the sampler generates sampled data and a recovered clock; a clock and data ...  
WO/2019/171585A1
A first pulse selector (7a) outputs an output signal of a variable frequency divider (3) to phase frequency comparators (4a-4d) in a time divisional manner. A second pulse selector (7b) outputs a reference signal from a reference signal ...  
WO/2019/171607A1
The purpose of the present invention is to provide an oscillation device which achieves both expansion of frequency variable width and refinement of the variable pitch thereof. An oscillation device 1 is provided with: an oscillation uni...  
WO/2019/173821A1
A circuit includes a time-to-digital converter (TDC) (102) to produce an output signal that is a function of a time difference between a first input clock to the TDC (102) and a second input clock to the TDC (102). A first delay line (50...  
WO/2019/172467A1
A phase-locked loop (PLL) apparatus and a method for clock synchronization are disclosed. According to an embodiment, the PLL apparatus comprises an adjustable oscillator, one or more first difference determiners, one or more first param...  
WO/2019/169607A1
A charge pump circuit for suppressing current mismatch and a control method therefor, and a phase locked loop circuit, relating to the technical field of communications. The charge pump circuit comprises: a first control circuit (10), a ...  
WO/2019/167670A1
The present art relates to a phase-locked loop circuit that enables power consumption to be reduced. The phase-locked loop circuit comprises: an SAR-ADC that includes two capacitors and outputs a comparison result of voltages occurring a...  
WO/2019/168452A1
Embodiments of the present disclosure provide methods and apparatus for demodulating a received signal. For example, a demodulation system for demodulating an input signal is provided. The input signal comprises a carrier wave modulated ...  
WO/2019/164625A1
An apparatus is provided which comprises: a power management circuitry; and a processing circuitry comprising a processing core, wherein the power management circuitry is to: compute first voltage and frequency parameters, and transmit t...  

Matches 451 - 500 out of 23,642