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Matches 1 - 50 out of 1,804

Document Document Title
WO/2018/039538A1
Embodiments of the present disclosure include a microcontroller with a frequency test circuit, a device-under-test (DUT) input, and a calculation engine circuit. The calculation engine circuit is configured to compare a measured frequenc...  
WO/2018/014970A1
Methods and devices for synchronizing a device clock in a wireless network (e.g. a LPWAN) are disclosed. Example methods comprise identifying a device temperature, identifying a clock drift associated with the identified device temperatu...  
WO/2018/013327A1
A voltage regulator includes a band limited reference voltage. The band limited reference voltage is generated from a supply voltage combined with a feedback path to provide a band reject power supply rejection ratio (PSRR). The voltage ...  
WO/2018/004940A1
A packaged VCTCXO may include a crystal oscillator configured to output a signal of a particular frequency and a temperature sensor configured to measure an internal temperature of the crystal oscillator. In addition, the packaged VCTCXO...  
WO/2017/222751A1
Various embodiments of methods and systems for closed loop multimode sleep clock frequency compensation in a portable computing device are disclosed. An exemplary embodiment leverages a modem to determine a frequency shift on a sleep clo...  
WO/2017/151198A1
The present disclosure is directed towards systems and method for actively tuning a phase locked loop based on vibration excitation levels experienced by the phase locked loop. A bandwidth of the phase locked loop can be actively increas...  
WO/2017/151301A1
A method of generating a bandgap voltage in an electronic circuit includes generating a bandgap current. The method further includes operating the electronic circuit using the bandgap voltage and the bandgap current. The operating can be...  
WO/2017/120244A1
A signal generator configured to generate an oscillating signal with a temperature-compensated frequency. The signal generator includes a ring oscillator, and a complementary to absolute temperature (CTAT) current generator configured to...  
WO/2017/081634A1
A method for a resilient signaling of time and for a time synchronization of the users of a distributed network. The invention also comprises an apparatus for implementing such method.  
WO/2017/074704A1
The present invention generally relates to a system and method for high accuracy temperature control of an oven used to operate an electronic device, sensor or resonator ("device") at a fixed temperature. The fixed temperature operation ...  
WO/2017/053163A1
Certain aspects of the present disclosure provide methods and apparatus for temperature-dependent adjustment of a resonant circuit, such as that found in a voltage-controlled oscillator (VCO). Such adjustment may be performed in an effor...  
WO/2017/015834A1
The present invention relates to the technical field of quartz crystal oscillators, and particularly, to a directly-heating oven controlled crystal oscillator. In the present invention, the surface of a wafer is provided with wires, two ...  
WO/2017/003630A1
Methods, systems, and circuits for providing compensation for voltage variation are disclosed. A system includes: a voltage comparator configured to assert a control signal in response to detecting that one or more of power supply voltag...  
WO/2016/206384A1
A crystal oscillator circuit, a crystal oscillator circuit tuning method, and a storage medium, the crystal oscillator circuit tuning method comprising: on the basis of a current digital voltage signal and temperature compensation table,...  
WO/2016/057289A1
Various aspects of this disclosure comprise systems and methods for synchronizing sensor data acquisition and/or output. For example, various aspects of this disclosure provide for achieving a desired level of timing accuracy in a MEMS s...  
WO/2016/039688A1
According to various embodiments, there is provided a method for generating a reference clock signal, the method including discharging a capacitive element to a discharged state, when a reset signal has a predetermined reset state; charg...  
WO/2016/036583A1
In aspects of a low phase noise technique for use with a crystal oscillator, a bias control circuit sets a bias voltage on the gate of a first transistor needed to sink or source an amount of current corresponding to a sensed common mode...  
WO/2016/028690A1
In some examples, compensating for hysteretic characteristics of a crystal oscillator in a timing circuit includes obtaining a plurality of successive temperature measurements. From the plurality of successive temperature measurements, a...  
WO/2015/200274A1
A system may include a sampling circuit, a temperature calibration system, a phase detector, a virtual phase-locked loop, and a sample rate converter. The sampling circuit may be configured to generate a series of digitally-sampled data ...  
WO/2015/193539A1
The present invention relates in general to electronic oscillation generators and to the stabilization of electronic oscillation generators, and especially to temperature- compensated oscillator units used in electronics and telecommunic...  
WO/2015/172555A1
Provided are a frequency control method and circuit for a ring oscillator. The method comprises the following steps: obtaining, by means of a current bias circuit, a current having a positive temperature coefficient; using the current ha...  
WO/2015/151870A1
 Provided is an OCXO having a high degree of stability regarding output frequency. An oscillator (1A) that is an OCXO, wherein crystal-oscillating elements (10, 20), oscillating circuits (1, 2), a temperature detecting unit (53), and a...  
WO/2015/097430A1
A method of calibrating a first oscillator (102) is disclosed. A temperature is measured to obtain a measured temperature value and a determination is made of whether said measured temperature value differs from at least one previously m...  
WO/2015/093940A1
The invention relates to a method for operating a mechanical resonator in an electronic oscillator, comprising determining a state space description of the resonator, in which state variables are the mass, the stiffness or dimensions of ...  
WO/2015/081241A1
A clock oscillator includes a high speed oscillator generating a high speed clock signal and comprising a digital trimming function; a counter receiving said high speed clock signal at a clock input; a time base having a low drift and co...  
WO/2015/074133A1
A digitally compensated phase locked oscillator (DCPLO) is disclosed herein. The DCPLO comprises: a DCPLO input for receiving a reference signal at a known frequency; a DCPLO output for outputting a signal at a desired frequency; a phase...  
WO/2014/191859A3
A thermal oscillator (10) for creating an oscillating heat flux from a stationary spatial thermal gradient between a warm reservoir (20) and a cold reservoir (30) is provided. The thermal oscillator (10) includes a thermal conductor (11)...  
WO/2014/184191A1
The invention relates to a device (110) which comprises a temperature sensor (111) and accesses an external time or frequency reference (121; 130) in order to retime an oscillation frequency of a VCTCXO oscillator (113). The device deter...  
WO/2014/177443A1
The invention relates to a method for controlling a piezoelectric device comprising a piezoelectric element (1) attached to a substrate (2), the substrate (2) and the piezoelectric element (1) being made of materials having different the...  
WO/2014/137666A1
A system includes first circuitry including first elements for operating in a low power mode; second circuitry including second elements for operating in a high-temperature mode; and one or more switching elements for selecting between t...  
WO/2014/095409A1
The invention relates to a method for stabilizing the clock frequency (f) of a microcontroller associated with a field device in automation engineering, wherein the field device is subjected to different process conditions depending on t...  
WO/2014/073503A1
[Problem] To provide a reference signal generation device that is able to continue outputting an appropriate reference signal by making a correction with consideration of humidity even when an appropriate reference signal cannot be obtai...  
WO/2014/045929A1
[Problem] To realize, at an extremely low cost, a standard signal generation device capable of performing self-running control even when an appropriate reference signal cannot be received. [Solution] The standard signal generation device...  
WO/2014/043531A1
A voltage controlled oscillator (VCO) core for cancelling a supply noise is described. The VCO core includes an input node that receives the supply noise. The VCO core also includes a noise path coupled to the input node. The VCO core ad...  
WO/2014/043455A1
A communications device includes a housing, an antenna carried by the housing, an oscillator carried by the housing to generate a reference signal, and an RF receiver carried by the housing, and coupled to the antenna and the oscillator,...  
WO/2014/029718A1
System for producing a system clock signal comprising a local oscillator configured to generate a first clock signal; a temperature detector configured to detect a temperature change above a critical value in an area including the local ...  
WO/2014/025575A1
A substantially temperature-independent LC-based oscillator uses bias control techniques. Temperature independence may be achieved by controlling the harmonic frequency content of the output of the oscillator by controlling the amplitude...  
WO/2014/025659A3
An LC oscillator tank that generates a tank oscillation at a phase substantially equal to a temperature null phase. The oscillator further includes frequency stabilizer circuitry coupled to the LC oscillator tank to cause the LC oscillat...  
WO/2014/018401A1
Methods, apparatuses, systems and computer-readable media for addressing the aging of oscillation (XO) crystals are presented. Some embodiments may determine a change of age of the XO crystal since last prior use of the XO crystal. Embod...  
WO/2013/187919A1
A method in a mobile communication device includes: measuring a first temperature associated with a crystal configured to provide a reference signal having a frequency; measuring a second temperature associated with a component that is c...  
WO/2013/180989A1
An oscillator assembly including a base substrate with a cavity defining an insulative air pocket. A component substrate is seated on the base substrate. An oscillator and a combination heater/ temperature control assembly are located on...  
WO/2013/173010A1
Circuitry for generating a compliance voltage (V+) for the current sources and/or sinks in an implantable stimulator device in disclosed. The circuitry assesses whether V+ is optimal for a given pulse, and if not, adjusts V+ for the next...  
WO/2013/173010A4
Circuitry for generating a compliance voltage (V+) for the current sources and/or sinks in an implantable stimulator device in disclosed. The circuitry assesses whether V+ is optimal for a given pulse, and if not, adjusts V+ for the next...  
WO/2013/149636A1
The present invention relates to a device for compensating temperature drift of a voltage controlled oscillator (VCO) in a phased locked loop (PLL), said voltage controlled oscillator (VCO) having at least one varactor arranged for contr...  
WO/2013/127701A3
A simplified device for supplying voltage to the cathode of a mass spectrometer has a push-pull converter, a controlled rectifier (8, 10) being present outside the normal rectifier diodes (7, 9). The gate of the first transistor (8) is c...  
WO/2013/066939A1
The presently disclosed subject matter is directed to methods and apparatus enabling production of a stable output from a phase locked loop (PLL) circuit. A crystal controlled oscillator provides a reference signal to the PLL circuit. Te...  
WO/2013/060608A3
A method and apparatus for compensating for temperature variation in a phase locked loop (PLL) includes receiving an error signal by a controller in which the error signal representative of an instantaneous frequency difference between a...  
WO/2013/023068A4
Systems and methods for controlling frequency output of an electronic oscillator to compensate for effects of a parameter experienced by the oscillator incorporate artificial neural network processing functionality for generating correct...  
WO/2013/022870A1
A circuit includes a controllable oscillator and a controller coupled to the controllable oscillator. The controller is configured to provide a current control and a gain control to the controllable oscillator. The gain control is config...  
WO/2013/023068A1
Systems and methods for controlling frequency output of an electronic oscillator to compensate for effects of a parameter experienced by the oscillator incorporate artificial neural network processing functionality for generating correct...  

Matches 1 - 50 out of 1,804