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