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WO/2024/080571A1 |
A clock phase calibration device according to one embodiment of the present disclosure comprises: a clock generation module for generating a plurality of clocks on the basis of a reference clock; a clock sampling module for sampling sign...
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WO/2024/064574A1 |
Aspects described herein include devices and methods for phase tracking and correction using sampling. One aspect includes a wireless communication apparatus having an analog 1-bit sampler configured to sample a phase locked loop (PLL) o...
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WO/2024/039938A1 |
Disclosed are techniques for oscillator frequency error estimation. In an aspect, an electronic device receives, from a power management integrated circuit (PMIC), a plurality of temperature measurements of an oscillator of the electroni...
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WO/2024/023121A1 |
The invention relates to a method for synchronizing a time-measuring assembly comprising at least a first time-measuring device (1) and a second time-measuring device (2), which are connected to each other for radio signal transmission, ...
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WO/2024/020270A1 |
An aspect of the disclosure relates to a user equipment (UE) including: at least one antenna; a transceiver coupled to the at least one antenna, wherein the transceiver comprises: a resonator oscillator configured to generate a resonator...
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WO/2023/173041A1 |
One or more examples relate, generally to supply voltage based or temperature based fine control of a tunable oscillator of a PLL. An associated method includes: receiving one or more values indicative of temperature or supply voltage of...
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WO/2023/131847A1 |
The present invention offers useful ways of achieving high temperature stability of frequency determining components in temperature stabilized frequency control devices such as, for example, oven-controlled frequency reference devices.
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WO/2023/121140A1 |
Embodiments relate to a frequency generator and a frequency correction method for a frequency generator, which have the purpose to provide a frequency correction technology that actively responds to continuous frequency fluctuations of a...
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WO/2022/247767A1 |
Embodiments of the present application provide a vibration compensation apparatus, a related device, and a related method, for use in offsetting a frequency error caused by the effect of external vibration on a resonator in a clock oscil...
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WO/2022/173522A1 |
In one aspect, a method of adjusting a first oscillating signal, includes generating a relationship prediction responsive to a deep learning model configured to predict a relationship between a fundamental quantity of a first oscillating...
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WO/2022/126097A1 |
Apparatus and methods for control and calibration of external oscillators are provided herein. In certain embodiments, an electronic oscillator system includes a semiconductor die and a controllable oscillator that is external to the sem...
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WO/2022/053592A1 |
An electrical circuit, comprising: an oscillating element configured to provide a clock signal; and a clock synchronization unit configured to adapt the clock signal based on a reference signal; wherein the clock synchronization unit is ...
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WO/2022/043406A1 |
An oscillator circuit comprises a first integrator unit (100) to charge a first capacitor (110) at a first integration node (121), a second integrator unit (200) to charge a second capacitor (210) at a second integration node (221), a ch...
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WO/2022/008881A1 |
Disclosed herein is a temperature compensated crystal oscillator, TCXO, comprising: a crystal oscillator arrangement configured to generate an output signal of the temperature compensated crystal oscillator; and a temperature sensor arra...
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WO/2021/241268A1 |
A PLL circuit (4) comprises: an oscillation circuit (5) that operates using a power source (VDD) of a semiconductor chip (2) making up a solid-state imaging device (3); a PLL (7) that provides control according to a parameter (FCW); a mo...
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WO/2021/239978A1 |
A radio device (110) comprises a radio transceiver (105, 107), a resonator (101), a temperature measurement unit (102), a frequency synthesiser (113) and a processing system (104). A temperature signal from the temperature measurement un...
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WO/2021/158326A1 |
Techniques described herein address these and other issues by utilizing two or more sensors to take temperature measurements from which a temperature-differential or instantaneous temperature rate-of-change, can be determined. In turn, t...
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WO/2021/116911A1 |
An LC oscillator is provided. The LC oscillator includes a single layer inductor disposed within a single layer inlay, wherein the single layer inductor is configured in a spiral pattern within the layer of the inlay, wherein an integrat...
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WO/2021/102678A1 |
A vibration control method, a terminal device, and a storage medium. The method comprises: acquiring a temperature of a terminal device (S101); determining a target frequency offset corresponding to the temperature (S102); and controllin...
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WO/2021/055155A1 |
A digital to analog converter (DAC) includes a plurality of DAC transistor devices having an input side configured to be selectively coupled to a system voltage based on a digital input signal and an output side configured to provide an ...
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WO/2020/254090A1 |
The invention relates to a temperature-controlled RF resonator (200) comprising a thermally insulating enclosure (110) inside which the following are implemented: - at least one resonating element (120) configured to deliver an RF output...
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WO/2020/215619A1 |
Techniques are described for post-compensation of frequency drift due to changes in crystal oscillator temperature during operation. For example, a clock system is coupled with a crystal oscillator, and can use a reference clock signal f...
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WO/2020/219215A1 |
Techniques are described herein that are capable of adjusting a center frequency of an adaptive voltage controlled oscillator (VCO) that is included in an adaptive phase lock loop (PLL) and/or a phase difference target of the adaptive PL...
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WO/2020/199216A1 |
The present application provides an oscillator and a device, relating to the field of electronic technology, for improving the performance of an oscillator. The oscillator comprises: a resonant circuit, configured to generate an oscillat...
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WO/2020/204740A1 |
A method and system are provided for estimating the g-sensitivity of a quartz oscillator, which includes rotating the quartz oscillator successively around each of a plurality of axes constituting a full-rank system, measuring a frequ...
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WO/2020/180621A1 |
A phase locked loop (PLL) circuit [ 200] includes a voltage controlled oscillator (VCO) [208], a first loop circuit [220], and a second loop circuit [222], The first loop circuit includes a first loop filter [206] configured to receive a...
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WO/2020/175987A1 |
Generating a signal having a controlled frequency can be a useful electronic building block in different electronic circuits with very divers functionalities. The current invention is a frequency generator for generating a controlled sig...
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WO/2020/175988A1 |
Generating a signal having a controlled frequency can be a useful electronic building block in different electronic circuits with very diverse functionalities.The current invention is a frequency generator for generating a controlled sig...
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WO/2020/173193A1 |
Disclosed is a satellite time transfer device, comprising a circuit board (10), an upper cover (20) and a quartz crystal oscillator (30). The upper cover (20) covers the circuit board (10) and encloses the circuit board to form a mountin...
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WO/2020/151847A1 |
The invention relates to a temperature stabilized oscillator circuit of a radio transceiver for a NB-IoT device comprising a crystal oscillator (XO) for providing a clock for operating the NB-IoT device, a phase locked loop (PLL) synthes...
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WO/2020/135948A1 |
The following technical problems have been addressed for D2D communications: 1) Compensation of temperature-based frequency drift of a local frequency in a wireless device based on cross-correlation with a reference frequency of a synchr...
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WO/2020/131840A1 |
Systems and methods are provided for compensating for mechanical acceleration at a reference oscillator, A reference oscillator provides an oscillator output signal and an accelerometer on a same platform as the reference oscillator, suc...
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WO/2020/015828A1 |
The invention discloses a method and apparatus for digital quartz temperature and drift compensation for a sleep timer of a NB-loT device. The object of the invention to find a way for an effective quartz crystal temperature and drift co...
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WO/2020/003246A1 |
There is provided a dual-output microelectromechanical system (MEMS) resonator. The MEMS resonator can be operated selectively and concurrently in an in-plane mode of vibration and an out-of-plane mode of vibration to obtain respectively...
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WO/2019/236319A1 |
Systems, methods, and devices of the present disclosure relate, generally, to compensating for frequency error of a reference signal supplied to a clock-tracking-loop due to temperature. Error characteristics of a crystal oscillator that...
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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...
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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...
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WO/2019/160454A1 |
The present disclosure relates to a communication arrangement (10) comprising a first transceiver unit (1) and a second transceiver unit (2). The first transceiver unit (1) comprises a first control unit (3) and a first transmitter arran...
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WO/2019/145666A1 |
Temperature compensated oscillators are provided. In one arrangement, the oscillator comprises an oscillator circuit and a temperature compensation module. The temperature compensation module reduces temperature induced errors in the fre...
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WO/2019/125679A1 |
A master/slave configuration of a frequency locked Loop (FLL) decouples the process, target voltage, temperature (PVT) tracking goals of locking the loop from adapting the clock frequency in response to voltage droops in the supply. A ma...
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WO/2019/106157A1 |
The present invention relates to a crystal-free oscillator circuit (100) for channel-based high- frequency radio communication, the crystal-free oscillator circuit (100) comprising a crystal- free oscillator element (120) configured to p...
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WO/2019/096772A1 |
A phase-locked loop circuitry (200) having low variation transconductance design comprises a voltage controlled oscillator structure (308) to provide an output signal (Fosc) having an oscillation frequency. The voltage controlled oscilla...
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WO/2019/070315A1 |
A calibration system is provided for an oven controlled MEMS oscillator. The calibration system includes control circuitry that to separately selects predetermined target set-point values and controls a heater inside the oven controlled ...
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WO/2019/066842A1 |
Methods, systems, and circuitries are provided to generate clock signals of different qualities in a device. A method includes determining whether the device is operating in a mid power mode or a high power mode. In response to determini...
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WO/2019/067814A1 |
A temperature-compensating clock frequency monitor circuit may be provided to detect a clock pulse frequency in an electronic device that may cause erratic or dangerous operation of the device, as a function of an operating temperature o...
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WO/2019/048736A1 |
The invention relates to a frequency reference oscillator device and method of providing a frequency reference signal. The oscillator device comprises a first oscillator comprising a first resonator having first long-term stability and a...
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WO/2019/049071A1 |
A temperature stabilized device with improved response to changes in power supply voltage level, comprises a heater circuit for heating the device assembly and a temperature control circuit in which a heater control signal is adjusted wi...
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WO/2019/048737A1 |
The invention relates to a temperature-compensated microelectromechanical oscillator and a method of fabricating thereof. The oscillator comprises a resonator element comprising highly doped silicon and an actuator for exciting the reson...
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WO/2019/036338A1 |
Systems and processes disclosed herein determine the temperature of a crystal, such as a crystal that may be used in a crystal oscillator, using the reference crystal itself. The system can measure the temperature of the crystal without ...
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WO/2019/025447A1 |
A phase-locked loop circuit comprises an oscillator (308) having a plurality of operating curves and being suitable for generating an output signal (FOSC). In a calibration state the oscillator(308) is trimmed to an operating curve for u...
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