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