Patents
Patents for H03L 1 - Stabilisation of generator output against variations of physical values, e.g. power supply (2,641)
10/2013
10/02/2013CN102141771B Frequency correction method and device
09/2013
09/19/2013US20130241662 Integrated circuit device having an injection-locked oscillator
09/17/2013US8536951 Buffer for temperature compensated crystal oscillator signals
09/11/2013CN203193609U Clock source
09/10/2013US8531246 Direct digital interpolative synthesis
09/04/2013CN203180893U Digital temperature compensated crystal oscillator of real-time clock chip
09/03/2013US8525607 Crystal oscillator with reduced acceleration sensitivity
08/2013
08/29/2013US20130222073 Design and Control of Multi-Temperature Micro-Oven for MEMS Devices
08/29/2013DE102012203141A1 Vorrichtung zur Spannungsversorgung der Kathode eines Massenspektrometers Apparatus for voltage supply to the cathode of a mass spectrometer
08/28/2013CN103269219A Real-time clock compensation device and method
08/22/2013US20130214869 Temperature-compensated semiconductor resistor device
08/21/2013EP2628244A1 Design and control of multi-temperature micro-oven for mems devices
08/21/2013CN103259532A Resistor-capacitor filter calibrating circuit
08/14/2013EP2625783A2 Wideband temperature compensated resonator and wideband vco
08/14/2013CN103248358A Real-time clock compensating device and method
08/14/2013CN103248357A 校准电路 Calibration circuit
08/13/2013US8508307 Oscillation circuit
08/13/2013US8508304 Serdes VCO with phased outputs driving frequency to voltage converter
07/2013
07/30/2013US8497741 High accuracy RC oscillator
07/24/2013EP2618375A1 Method and system for measuring the thermal calibration of an electronic circuit
07/24/2013CN101729234B Phase interpolation controller
07/17/2013CN1784831B Method and apparatus for a low jitter dual-loop fractional N-type synthesizer
07/16/2013USRE44368 Temperature-compensated crystal oscillator
07/10/2013EP2613177A1 Reverse frequency and time aiding
07/10/2013CN1773862B Voltage control oscillator and oscillator frequency regulating method
06/2013
06/20/2013US20130154753 Oscillation circuit and oscillation system
06/19/2013EP2605408A1 Multiple electrothermal-filter device
06/19/2013CN103166630A Circuit and filter for correcting rate control (RC) time constant
06/18/2013US8466751 High-precision and low-consumption quartz oscillator
06/12/2013CN103155407A Wideband temperature compensated resonator and wideband vco
06/05/2013EP2600520A1 Modulation signal generation circuit, transmission/reception module, and radar device
06/05/2013CN103138749A Improved method and improved device for frequency correction
06/05/2013CN102118159B Circuit and method for generating clock signal
06/05/2013CN101821950B Heating system for double-ovenized oscillator on single printed circuit board
05/2013
05/23/2013US20130127552 Ovenized System Containing Micro-Electromechanical Resonator
05/22/2013EP2595315A1 Ovenized system containing micro-electromechanical resonator
05/21/2013US8446226 Oven controlled crystal oscillator
05/15/2013CN202940792U Frequency generator circuit unchanged with voltage change
05/15/2013CN102047561B Methods of calibrating a clock using multiple clock periods with a single counter and related devices and methods
05/14/2013CA2582350C System and method for introducing dither for reducing spurs in digital-to-time converter direct digital synthesis
05/10/2013WO2013066939A1 Temperature compensated frequency adjustment in a meter reading endpoint
05/08/2013DE112011102621T5 Kristallreferenzoszillator für Navigationsanwendungen Crystal reference oscillator for navigation applications
05/08/2013CN103095289A Signal delay control circuit
05/08/2013CN102130680B Temperature compensation type crystal oscillator and communication method thereof
05/01/2013CN103078630A Bandwidth calibration method for filter
04/2013
04/25/2013US20130099869 System and methods for correcting clock synchronization errors
04/11/2013US20130088302 Voltage-controlled oscillator device and method of correcting voltage-controlled oscillator
04/10/2013EP2579462A2 System and method for built in self test for timing module holdover
04/10/2013CN102324928B Frequency calibration circuit of active RC (Resistor-Capacitor) filter
04/02/2013US8410868 Methods and apparatus for temperature control of devices and mechanical resonating structures
03/2013
03/28/2013WO2013023068A4 Neural network frequency control
03/20/2013CN102006067B DDS (Digital Display Scope) circuit structure with waveform correction ROM (Read Only Memory)
03/13/2013CN202798671U Temperature control system for oven controlled crystal oscillator
03/13/2013CN202798670U Microwave suspension frequency synthesizing device
03/13/2013CN202794887U Oven controlled crystal oscillator system controlled by fuzzy PID
03/13/2013CN101663817B Method for temperature compensation of a time basis
03/12/2013US8395462 Resonator and oscillator with a tuning fork vibrator in a cut-out portion of a layered body
03/07/2013US20130059548 Oscillator and radio communication device
03/06/2013CN102957421A Frequency generator circuit without changes along with voltage
02/2013
02/28/2013DE102008060386B4 Selbstkalibrierender Temperatur-kompensierter Oszillator Self calibrating temperature compensated oscillator
02/14/2013WO2013023068A1 Neural network frequency control
02/14/2013WO2013022870A1 System and method of controlling gain of an oscillator
02/13/2013CN102931977A Oscillation device
02/13/2013CN101796729B Ovenized oscillator
02/12/2013US8373515 TCXO replacement for GPS
02/07/2013US20130033332 Quartz-crystal controlled oscillator
02/06/2013EP2555431A1 Electronic device including predicted frequency error estimation of a voltage controlled oscillator and related methods
02/06/2013CN102055467B Phase locked loop and related method thereof
02/05/2013US8368478 Integrated circuit frequency generator
01/2013
01/31/2013US20130027150 Fast start up, ultra-low power bias generator for fast wake up oscillators
01/31/2013US20130027148 Antiresonant frequency-varying complex resonant circuit
01/30/2013EP2552025A1 System and method for reducing temperature-dependent and process-dependent frequency variation of a crystal oscillator circuit
01/30/2013CN102130679B Active RC (Resistance-Capacitance) filter bandwidth calibration method
01/30/2013CN101488751B Measurement system and method for temperature frequency correcting apparatus
01/30/2013CN101488750B Method and apparatus for oscillation frequency compensation and phase lock loop circuit
01/29/2013US8362848 Supply-regulated VCO architecture
01/23/2013CN101917186B Calibration techniques for frequency synthesizers
01/17/2013DE102004012277B4 Sensorvorrichtung Sensor device
01/16/2013CN202679500U Tuner for receiving satellite television signals
01/15/2013CA2669041C System and method for dynamic adjustment of clock calibration
01/10/2013WO2012119123A3 Temperature compensation and coarse tune bank switches in a low phase noise vco
01/09/2013CN202663380U Circuit for automatically calibrating frequency of active remote control (RC) filter by utilizing capacitance delay characteristics
01/01/2013US8344817 Compensating DFLL with error averaging
12/2012
12/25/2012US8340911 Compensated ensemble crystal oscillator for use in a well borehole system
12/20/2012US20120319793 Oscillation circuit
12/19/2012CN102830619A Fuzzy PID (Proportion Integration Differentiation) control constant-temperature crystal oscillator system
12/12/2012CN102820883A Temperature control system of constant-temperature crystal oscillator
12/05/2012EP2529485A1 Electrothermal frequency reference
12/04/2012US8324977 Oscillator circuit
11/2012
11/29/2012WO2012159647A1 Controllable oscillator with frequency drift compensation
11/28/2012CN102801413A Fast filter calibration apparatus
11/27/2012US8319564 Integrated circuits with configurable inductors
11/21/2012EP2525494A1 Reference frequency generator device
11/20/2012US8314662 Temperature compensation method for piezoelectric oscillator, and piezoelectric oscillator
11/15/2012US20120286890 Temperature-compensated oscillator and electronic device
11/07/2012CN102769461A Method and system for improving output reliability of direct digital frequency synthesizer (DDS) signal source
11/06/2012US8307237 Precision oscillator for an asynchronous transmission system
11/06/2012US8305155 Phase locked loop circuit with variable voltage sources
10/2012
10/31/2012EP2517360A1 Efficient active source impedance modification of a power amplifier
10/31/2012EP2517359A1 Oscillators having arbitrary frequencies and related systems and methods
1 2 3 4 5 6 7 8 9 10 11 12 13 ... 27