Patents
Patents for H03L 1 - Stabilisation of generator output against variations of physical values, e.g. power supply (2,641)
06/2004
06/29/2004US6757527 Method and apparatus for synchronizing a local reference frequency in a communication systems
06/29/2004US6756947 Tunable slot antenna
06/22/2004US6753739 Programmable oscillator scheme
06/22/2004US6753737 Precision oven-controlled crystal oscillator
06/15/2004US6750729 Temperature compensated crystal oscillator and method of manufacturing the same
06/10/2004US20040108911 Temperature compensated crystal oscillator
06/03/2004WO2004047302A1 Oscillator frequency control
06/01/2004US6744327 Tunable voltage controlled oscillator
05/2004
05/27/2004WO2004045062A1 Temperature correction device and voltage control oscillation device
05/27/2004WO2002084684A3 Tunable planar capacitor
05/26/2004EP1422825A1 Oscillator frequency control
05/25/2004US6741217 Tunable waveguide antenna
05/25/2004US6741211 Tunable dipole antenna
05/20/2004US20040095211 Tunable ferro-electric filter
05/19/2004CN1497835A Emulator of transistor oscillator
05/19/2004CN1150678C Voltage controlled oscillation circuit
05/18/2004US6737930 Tunable planar capacitor
05/18/2004US6737928 Temperature-compensated crystal oscillator
05/13/2004WO2004040693A1 Control device and control method
05/12/2004CN1149739C Phase-Locking oscillation circuit
05/12/2004CN1149635C System and method for compensating parameter of crystal sheets
05/11/2004US6734738 Low power timer circuit having stable output frequency
05/04/2004US6731180 Evacuated hybrid ovenized oscillator
04/2004
04/29/2004DE10348364A1 Oszillatorschaltung mit stabiler Frequenz Oscillator circuit with stable frequency
04/28/2004EP1412716A1 Very low phase noise temperature stable voltage controlled oscillator
04/27/2004US6727786 Band switchable filter
04/22/2004US20040075507 Oscillator circuit having stable frequency
04/21/2004EP1411630A1 Crystal oscillator emulator
04/21/2004EP1410511A2 High frequency vcxo structure
04/20/2004US6724272 Method of temperature calibrating a numerically controlled oscillator using low tolerance master crystals
04/20/2004US6724217 CMOS output amplifier independent of temperature, supply voltage and manufacturing quality of transistors
04/15/2004WO2004032326A1 Driver device for a voltage-controlled oscillator
04/15/2004US20040071029 Crystal oscillator emulator
04/15/2004DE10245799A1 Treibervorrichtung für einen spannungsgesteuerten Oszillator Driving device for a voltage-controlled oscillator
04/14/2004EP0800724B1 Lamp oscillator for atomic frequency standards
04/14/2004CN1489828A Oscilating circuit and method for callberating same
04/08/2004WO2004030215A1 Reference timing signal oscillator with frequency stability
04/08/2004US20040068383 Method of operating a microcontroller chip having an internal RC oscillator and microcontroller chip embodying the method
04/01/2004WO2004008639A3 Ring oscillator with frequency stabilization
03/2004
03/30/2004US6714160 Real time clock for GPS receivers
03/25/2004WO2004025441A1 Precision oscillator for an asynchronous transmission system
03/25/2004US20040056730 Tunable voltage controlled oscillator
03/23/2004US6711230 Reference timing signal oscillator with frequency stability
03/23/2004US6710663 Temperature compensation of a rubidium frequency standard
03/18/2004US20040054835 Precision oscillator for an asynchronous transmission system
03/16/2004US6707346 Apparatus and method for improved crystal time reference
03/11/2004US20040046617 Oscillator circuit having an expanded operating range
03/10/2004CN1141790C Temperature dependence compensation in electronic devices and resistive component
03/09/2004US6704556 Communication device utilizing channel based oscillator aging compensation and method therefor
03/09/2004US6703906 System and method for programming oscillators
03/03/2004EP1393403A2 Tunable phase shifter and applications for same
03/02/2004US6700449 Saw oscillation circuit
02/2004
02/19/2004WO2002082656A3 High frequency vcxo structure
02/11/2004EP1388209A1 Reference oscillator with automatic compensation for aging and temperature
02/10/2004US6691031 Method and apparatus for substituting sensor data for satellite signal in GPS receiver
02/10/2004US6690251 Tunable ferro-electric filter
02/10/2004US6690176 Low-loss tunable ferro-electric device and method of characterization
02/04/2004EP1386396A1 Lc controllable oscillator, a quadrature oscillator and a communication arrangement
02/04/2004CN1472882A Method and circuit structure for temperature compensation and frequency calibration of oscillation frequency source
01/2004
01/28/2004EP1384312A1 Tunable voltage controlled oscillator
01/28/2004EP1384286A1 Inverted-f ferroelectric antenna
01/28/2004EP1384285A1 Ferroelectric antenna and method for tuning same
01/22/2004WO2004008639A2 Ring oscillator with frequency stabilization
01/22/2004US20040012449 Ring oscillator with frequency stabilization
01/22/2004DE10200698B4 Genaues Zeitverzögerungssystem und Verfahren unter Verwendung eines ungenauen Oszillators Exact time delay system and method using an inaccurate oscillator
01/21/2004EP1382083A1 Tunable multiplexer
01/14/2004EP1380106A1 Tunable matching circuit
01/13/2004US6677827 Temperature compensated crystal oscillator and method for adjusting output frequency thereof
01/13/2004US6677788 Semiconductor integrated circuit
01/08/2004US20040005869 Wireless communications transceiver: transmitter using a harmonic rejection mixer and an RF output offset phase-locked loop in a two-step up-conversion architecture & receiver using direct conversion architecture
01/07/2004EP1378998A1 Method of operating a microcontroller chip having an internal RC oscillator, and microcontroller chip embodying the method
01/07/2004EP1377994A1 Tunable ferro-electric filter
01/07/2004EP1377839A1 Low-loss tunable ferro-electric device and method of characterization
01/01/2004US20040002316 Method of calibrating PLL frequency synthesizers to precise frequencies with low tolerance crystals in their master reference oscillators
01/01/2004US20040000957 Method of temperature calibrating a numerically controlled oscillator using low tolerance master crystals
12/2003
12/30/2003US6670852 Oscillator tuning method
12/18/2003US20030231021 Dynamic trimming technique for variations in oscillator parameters
12/16/2003US6664864 Cavity design printed circuit board for a temperature compensated crystal oscillator and a temperature compensated crystal oscillator employing the same
12/16/2003US6664844 Temperature compensation in electronic devices
12/10/2003CN1461525A LC controllable oscillator, quadrature oscillator and communication arrangement
12/10/2003CN1130773C Function generating circuit
12/09/2003US6661302 Compensation algorithm for crystal curve fitting
12/09/2003US6661295 Controllable crystal oscillator
12/04/2003US20030225514 Method and apparatus for substituting sensor data for satellite signal in gps receiver
11/2003
11/11/2003US6646514 System and method for reducing startup time in a temperature controlled crystal oscillator
11/04/2003US6642803 Temperature compensated crystal oscillator
10/2003
10/29/2003CN1126277C Radio communication apparatus and adjusting method thereof
10/28/2003US6639491 Tunable ferro-electric multiplexer
10/23/2003US20030197570 Adaptive loop gain control circuit for voltage controlled oscillator
10/23/2003US20030197567 On-board processor compensated oven controlled crystal oscillator
10/22/2003CN1450359A Real time clock for GPS receiver
10/21/2003US6636121 Method for estimating crystal coefficient values for a signal generator
10/15/2003EP1352476A2 Precision oven-controlled crystal oscillator
10/14/2003US6632687 Methods of compensating for wafer parameters
10/08/2003CN1447935A Noise-shaped digital frequency synthesis
10/07/2003US6630872 Digital indirectly compensated crystal oscillator
10/02/2003US20030185331 Synchronization module and method
10/02/2003US20030184399 Indirect temperature compensation process in an oscillator
10/02/2003US20030184352 Circuit with variation correction function
09/2003
09/25/2003WO2003026132A3 A stable frequency or phase-locked loop
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