Patents
Patents for H03L 1 - Stabilisation of generator output against variations of physical values, e.g. power supply (2,641)
03/2005
03/17/2005US20050057414 Reconfigurable radiation desensitivity bracket systems and methods
03/17/2005CA2538015A1 A method for steering an oscillator and an oscillator
03/16/2005EP1515443A1 Frequency stabilisation of a current controlled oscillator used as a low frequency clock generator in a portable radio device
03/15/2005US6867744 Tunable horn antenna
03/08/2005US6864756 Automatic gain control circuit for controlling start-up time of oscillator and method thereof
03/01/2005US6861985 Ferroelectric antenna and method for tuning same
03/01/2005US6861917 Oscillator system with switched-capacitor network and method for generating a precision time reference
02/2005
02/24/2005US20050040905 Temperature-compensated crystal oscillator
02/24/2005US20050040904 Temperature compensation type oscillator
02/22/2005US6859502 Transmitting and receiving apparatus capable of the suppression of the microphonic noise in digital transmission system
02/22/2005US6859104 Tunable power amplifier matching circuit
02/10/2005US20050030109 Voltage controlled oscillator and method of generating an oscillating signal
02/10/2005US20050030108 Integrated VCO having an improved tuning range over process and temperature variations
02/08/2005US6853259 Ring oscillator dynamic adjustments for auto calibration
02/03/2005WO2005011120A1 Voltage controlled oscillator with drift compensation
02/03/2005US20050023935 Thin and highly stable piezoelectric oscillator, and thin and surface-mounting type highly stable piezoelectric oscillator
02/02/2005CN1574608A Temperature-compensated crystal oscillator
02/01/2005US6850125 Systems and methods for self-calibration
01/2005
01/25/2005CA2371264C Self-compensating ovenized clock adapted for wellbore applications
01/20/2005US20050012561 Downhole clock
01/20/2005DE19782024B4 Geschwindigkeitsregler für eine integrierte Schaltung Speed ​​limiter for an integrated circuit
01/20/2005DE10100865B4 Verfahren und Vorrichtung zur Korrektur von Frequenzabweichungen bei einem Schwingquarz Method and device for correcting frequency deviations in a quartz resonator
01/13/2005WO2005004329A1 Method and arrangement for frequency synchronization of a mobile station with a base station in a mobile communication system
01/13/2005US20050007887 Compensated ensemble crystal oscillator for use in a well borehole system
01/12/2005CN1184843C Temp.-compensation type crystal oscillator
01/06/2005US20050001688 System and device for calibrating oscillator charateristic curve
01/04/2005CA2192987C Quartz oscillator device and its adjusting method
12/2004
12/21/2004US6833820 Tunable monopole antenna
12/21/2004US6833766 Adaptive loop gain control circuit for voltage controlled oscillator
12/16/2004WO2004109926A1 Method and system for downhole clock
12/15/2004CN2664290Y A circuit structure for temperature-compensation and frequency correction of oscillation frequency source
12/14/2004US6831525 Oscillator arrangements with improved frequency stability
12/09/2004US20040246809 Integrated circuit including processor and crystal oscillator emulator
12/09/2004US20040246059 Method and system for downhole clock
11/2004
11/30/2004US6825818 Tunable matching circuit
11/25/2004WO2004102809A1 Layout for a time base
11/25/2004US20040233000 Oscillator system with switched-capacitor network and method for generating a precision time reference
11/25/2004US20040232997 Method and apparatus for temperature compensation
11/25/2004US20040232995 Dual loop architecture useful for a programmable clock source and clock multiplier applications
11/18/2004WO2004100380A1 Method and apparatus for a low jitter dual-loop fractional -n synthesizer
11/18/2004WO2004100378A1 Chip oscillator module and its verification method
11/17/2004EP1476796A1 Oscillator with frequency stabilizing circuit and method of constructing same
11/16/2004US6819194 Tunable voltage-controlled temperature-compensated crystal oscillator
11/11/2004US20040222925 Inverted-F ferroelectric antenna
11/11/2004US20040222856 Calibration of oscillator devices
11/10/2004EP1475885A1 Temperature compensation type oscillator
11/09/2004US6816714 Antenna interface unit
11/04/2004WO2004095240A2 A method and apparatus for detecting on-die voltage variations
11/03/2004CN1543703A Oscillator and communication apparatus
10/2004
10/28/2004US20040212444 [automatic gain control circuit for controlling start-up time of oscillator and method thereof]
10/28/2004US20040212417 Large gain range, high linearity, low noise MOS VGA
10/28/2004DE10313757A1 Frequency parameterization method for oscillator output signals using voltage-controlled capacitance, by changing pulse width ratio to equalize oscillator output, and storing required ratio
10/28/2004DE102004012277A1 Sensorvorrichtung Sensor device
10/27/2004CN1173470C Controller oscillator system and method
10/21/2004WO2004091100A1 Device for detecting the temperature of an oscillator crystal
10/21/2004WO2004091090A1 A radio beacon
10/20/2004EP1468494A1 Transceiver using a harmonic rejection mixer
10/13/2004CN1537343A Tuning multiplexer
10/13/2004CN1171486C Clock generator and digital or telephone portable terminal using with the same clock generator
10/12/2004US6803829 Integrated VCO having an improved tuning range over process and temperature variations
10/07/2004US20040196121 Band switchable filter
10/06/2004CN1535501A Reference oscillator with automatic compensation for aging and temp
10/06/2004CN1535499A Calibration techniques for precision relaxation oscillator integrated circuit with temp compensation
09/2004
09/30/2004WO2004084403A1 Oscillator characteristic automatic compensator, characteristic automatic compensating method, characteristic automatic compensating program, and position measuring signal receiver
09/30/2004US20040189417 Oscillator circuit with temperature compensation function
09/29/2004CN1533025A Oscillator and electronic machine using oscillator
09/28/2004US6798308 LC controllable oscillator, a quadrature oscillator and a communication arrangement
09/23/2004WO2004080836A1 Closure and methods for placing and removing such a closure
09/23/2004US20040183613 Method and apparatus for detecting on-die voltage variations
09/23/2004US20040183609 Function generator and temperature compensated crystal oscillator
09/22/2004EP1460495A2 Oscillator for measuring the running time of an electronic apparatus
09/22/2004EP1459446A2 A stable frequency or phase-locked loop
09/22/2004CN1531296A Frequency calibrating method and device for long period of variation
09/16/2004US20040180630 Frequency correction method and apparatus for correcting secular change
09/16/2004US20040178946 High-frequency oscillation apparatus, radio apparatus, and radar
09/16/2004US20040178810 Sensor apparatus
09/15/2004EP1458098A2 Frequency correction method and apparatus for correcting changes due to ageing
09/15/2004EP1458089A1 High-frequency oscillation apparatus, radio apparatus, and radar
09/09/2004US20040174220 Tunable power amplifier matching circuit
09/08/2004CN1166051C Analogue storage method and its temp. compensation crystal oscillator
09/07/2004US6788159 Temperature compensated oscillator, adjusting method thereof, and integrated circuit for temperature compensated oscillator
09/07/2004US6788158 Piezoelectric oscillator, method of producing the same, and electronic device using the piezoelectric oscillator
09/01/2004EP1451927A2 Circuit configuration for dc-biased capacitors
09/01/2004EP1451605A2 Calibrated real time clock for acquisition of gps signals during low power operation
08/2004
08/31/2004US6784756 On-board processor compensated oven controlled crystal oscillator
08/25/2004CN1524276A Tunable ferro-electric filter
08/25/2004CN1523750A Function generating circuit and temperature compensation type crystal oscillator
08/25/2004CN1164023C Temperature compensation type oscillator and its control method, and radio communication device
08/24/2004US6781472 Pseudo-cubic function generator circuit
08/17/2004US6778028 Temperature-compensated radio-frequency oscillator and communication device
08/12/2004US20040155731 Low-loss tunable ferro-electric device and method of characterization
08/11/2004CN1161882C Frequency synthesizer with temp. compensation and frequency multiplication function and method thereof
08/04/2004CN1160860C Method and apparatus for producing temperature stable frequency at reduced cost
07/2004
07/21/2004CN1158752C Phase frequency detector having instantaneous phase difference output
07/20/2004US6765540 Tunable antenna matching circuit
07/13/2004US6762648 Device and method for production of a clock signal
07/08/2004WO2004057370A1 Temperature compensation improvements in radar apparatus
07/07/2004CN1511261A Low-loss tunable ferro-electric device and method of characterization
07/06/2004US6759904 Large gain range, high linearity, low noise MOS VGA
07/01/2004US20040124937 Method for compensating temperature in crystal oscillator
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