Patents
Patents for H03L 1 - Stabilisation of generator output against variations of physical values, e.g. power supply (2,641)
02/2002
02/19/2002US6348842 Method and apparatus for achieving accurate temperature-invariant sampling frequencies in a multiple message non-volatile multilevel analog signal recording and playback system
02/06/2002EP1177632A1 System and method for programming oscillators
02/06/2002CN1334989A Method and system for frequency generation for wireless devices
01/2002
01/31/2002DE10033714A1 Hochfrequenzgerät mit Störstrahlungskompensation High-frequency device with Störstrahlungskompensation
01/29/2002US6342798 PLL circuit used temperature compensated VCO
01/24/2002US20020008587 Methods of compensating for wafer parameters
01/17/2002US20020005765 Digital indirectly compensated crystal oscillators
01/16/2002EP1172951A2 Radio frequency apparatus with interference compensation
01/08/2002US6337605 Temperature compensated oscillator
01/03/2002US20020000886 Voltage controlled oscillator
01/03/2002DE10029421A1 Kalibriervorrichtung und -verfahren für die Taktgenerierung auf einem integrierten Schaltkreis Calibration device and method for clock generation in an integrated circuit
12/2001
12/20/2001WO2001097383A2 Calibration device and method for generating the clock pulse in an integrated circuit
12/06/2001US20010048349 Temperature compensated oscillator, its manufacturing method, and integrated circuit for temperature compensated oscillator
12/06/2001US20010048330 Clock generator and digital or telephone poratble terminal using the same
12/04/2001US6326855 Voltage-to-current converter circuit with independent and adjustable compensation for process, voltage, and temperature
12/04/2001US6326850 High frequency signal generator from a horological time base
12/04/2001US6326825 Accurate time delay system and method utilizing an inaccurate oscillator
12/04/2001CA2158809C Delay detection circuit and low-noise oscillation circuit using the same
11/2001
11/27/2001US6323738 Voltage-controlled ring oscillator with level converting and amplitude control circuits
11/27/2001CA2232703C Active ground compensation
11/21/2001CN1075292C Radio pager
11/20/2001US6321074 Apparatus and method for reducing oscillator frequency pulling during AM modulation
11/15/2001WO2001086316A2 Method and apparatus for compensating local oscillator frequency error
10/2001
10/18/2001US20010030556 Frequency correction circuit for a periodic source such as a crystal oscillator
10/10/2001EP1142114A2 Calibration techniques for a precision relaxation oscillator integrated circuit with temperature compensation
10/09/2001US6300843 Oscillation circuit using comparator with temperature compensated reference voltages
10/03/2001CN1072411C Method for controlling phase-locked loop, and phase-locked loop
10/02/2001US6297708 Temperature compensated high performance oscillator
09/2001
09/25/2001US6294962 Circuit(s), architecture and method(s) for operating and/or tuning a ring oscillator
09/20/2001WO2001069773A1 Voltage controlled crystal oscillator temperature compensating circuit
09/20/2001US20010022539 Electronic circuit
09/20/2001US20010022536 Adjustment of Oscillator
09/19/2001EP1134921A2 Adjustment of oscillator
09/19/2001EP1133825A2 Methods and systems for frequency generation for wireless devices
09/18/2001US6292066 Function generator, crystal oscillation device and method of adjusting crystal oscillation device
09/17/2001CA2341316A1 Digital indirectly compensated crystal oscillators
08/2001
08/30/2001US20010017574 Temperature compensated oscillator, method of controlling temperature compensated oscillator, and wireless communication device
08/29/2001CN1310570A Clock generator and digital or telephone portable terminal using with the same clock generator
08/28/2001US6281761 Temperature-adaptive capacitor block and temperature-compensated crystal oscillator using it
08/23/2001WO2001061856A1 System and method for programming oscillators
08/23/2001CA2372799A1 System and method for programming oscillators
08/21/2001US6278867 Methods and systems for frequency generation for wireless devices
08/21/2001US6278331 System and method for compensating wafer parameters
08/16/2001EP0764366B1 A method for controlling a phase-locked loop, and a phase-locked loop
08/15/2001CN1069797C Highly stable frequency generator
08/08/2001EP1121756A1 Thermo-electric cooled oven controlled crystal oscillator
08/07/2001US6271737 Communication device with feedback for cancellation of perturbations
08/07/2001US6271736 Digital temperature-compensating crystal oscillator, and method for stabilizing frequency thereof
08/07/2001US6271735 Oscillator controller with first and second voltage reference
08/07/2001US6271733 Integrated oscillator circuit with a memory based frequency control circuit and associated methods
08/07/2001US6271711 Supply independent biasing scheme
07/2001
07/26/2001WO2000076069A3 Calibration techniques for a precision relaxation oscillator integrated circuit with temperature compensation
07/25/2001EP1119106A2 Integrated oscillator circuit and associated methods
07/25/2001EP0829142B1 Telecommunication terminal
07/11/2001EP1078449A4 Apparatus and method for minimizing turn-on time for a crystal oscillator
07/10/2001US6259333 Temperature compensation quartz oscillator
07/04/2001CN1068162C Low power temperature compensated crystal oscillator
06/2001
06/27/2001CN1301085A Controller oscilator system and method
06/20/2001EP1109317A1 A controller oscillator system and method
06/20/2001CN1067502C Controllable-frequency oscillator
06/19/2001US6249155 Frequency correction circuit for a periodic source such as a crystal oscillator
06/14/2001WO2000031870A8 Methods and systems for frequency generation for wireless devices
06/13/2001EP1107455A1 Temperature compensated oscillator and method of controlling it
06/13/2001CN1299185A Temp. compensation type oscillator and its control method, and radio communication device
05/2001
05/23/2001DE19953578A1 Vorrichtung und Verfahren zur Erzeugung eines Taktsignals Apparatus and method for generating a clock signal
05/22/2001US6236282 Crystal reference and oscillator circuit using same
05/17/2001WO2001035533A1 Device and method for production of a clock signal
05/01/2001US6225868 Voltage controlled oscillation circuit with plural voltage controlled current generating circuits
04/2001
04/10/2001US6215990 Method and apparatus for minimizing initial frequency errors during transceiver power up
04/03/2001US6211743 Phase-locked loop having temperature-compensated bandwidth control
03/2001
03/29/2001WO2001022592A1 Matched crystal temperature compensation device
03/29/2001WO2000031870A9 Methods and systems for frequency generation for wireless devices
03/28/2001EP1087530A1 Matched crystal temperature compensation device
03/28/2001CN1063889C Quartz oscillator device and its adjusting method
03/27/2001US6208215 VCO and filter controlled by common integrated thermal frequency reference
03/27/2001US6208213 Thermostatically controlled crystal oscillator
03/22/2001WO2001020862A1 Communication system
03/06/2001US6198356 Voltage controlled oscillator power supply and temperature compensation circuit
03/01/2001DE10023350A1 Temperature adaptive type capacitor module for quartz oscillator, has unit capacitors which are assigned to each temperature division zone and are interconnected sequentially to maintain specific load capacitance
02/2001
02/28/2001EP1078449A1 Apparatus and method for minimizing turn-on time for a crystal oscillator
02/20/2001US6191660 Programmable oscillator scheme
02/07/2001CN1061802C Temp. compensation piezoelectric oscillator
01/2001
01/16/2001US6175284 Temperature-compensated crystal oscillator having constant voltage generator with filter
01/16/2001US6175280 Method and apparatus for controlling and stabilizing oscillators
12/2000
12/26/2000US6166608 Thermo-electric cooled oven controlled crystal oscillator
12/20/2000CN1277752A Crystal oscillator with AGC and on-chip tuning
12/19/2000US6163226 Current-controlled p-channel transistor-based ring oscillator
12/19/2000US6163185 Phase frequency detector having instantaneous phase difference output
12/14/2000WO2000076069A2 Calibration techniques for a precision relaxation oscillator integrated circuit with temperature compensation
12/12/2000US6161003 Automatic local oscillator frequency stabilization process in radio receivers employing a wide-band tunable local dielectric-resonator oscillator and associated device
12/12/2000US6160458 Temperature compensated crystal oscillator
12/07/2000WO2000074233A1 System and method for linearizing a cmos differential pair
12/06/2000EP1057264A1 Temperature compensated oscillator
11/2000
11/30/2000WO2000072446A1 Integrated vco
11/28/2000USRE36973 Digitally-corrected temperature-compensated crystal oscillator having a correction-suspend control for communications service
11/23/2000WO2000036745A9 A precision relaxation oscillator with temperature compensation and various operating modes
11/21/2000US6150894 Oscillator having minimum frequency and amplitude fluctuation due to temperature variation
11/14/2000US6148187 Automatic frequency control method and circuit
11/14/2000US6147565 Piezo-oscillator with heater and temperature control circuit
11/02/2000EP0998021A4 Thermostatically controlled quartz generator
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