| Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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| 05/04/1999 | US5900785 System and method for offsetting load switching transients in a frequency synthesizer |
| 05/04/1999 | US5900784 Very low-gain voltage controlled oscillator |
| 05/04/1999 | US5900755 Digital sampling system |
| 05/04/1999 | US5900754 For synchronizing a data signal input with a reference clock signal |
| 05/04/1999 | CA2107769C Multi-level symbol synchronizer |
| 04/29/1999 | WO1999021283A1 Modified third order phase-locked loop |
| 04/29/1999 | WO1999021282A1 Voltage step-up for a low voltage frequency synthesizer architecture |
| 04/29/1999 | WO1999021281A1 Adaptive frequency-hopping oscillators |
| 04/29/1999 | WO1999021280A1 Phase-locked loop and integrated circuit therefor |
| 04/29/1999 | WO1999021276A1 Method and apparatus for compliance to multiple frequency plans |
| 04/29/1999 | WO1999021272A1 Tunable, energy efficient pll clock |
| 04/29/1999 | WO1999008384A3 Multichannel radio device, a radio communication system, and a fractional division frequency synthesizer |
| 04/28/1999 | EP0911975A2 Semiconductor integrated circuit |
| 04/28/1999 | EP0911971A1 Clock switching apparatus |
| 04/28/1999 | EP0911919A1 Atomic frequency standard |
| 04/28/1999 | EP0910897A1 Phase locked loop with improved phase-frequency detection |
| 04/28/1999 | EP0698313B1 Method for starting a radio transmitter and a radio transmitter |
| 04/28/1999 | CN1215266A High-resolution clock reconstruction used in mobile communication equipment |
| 04/28/1999 | CN1215258A Phase-locked loop frequency synthesizer |
| 04/28/1999 | CN1215257A Frequency divider circuit and digital phase-locked loop circuit |
| 04/28/1999 | CN1215256A Phase-looked loop circuit |
| 04/28/1999 | CN1215255A Clock converter |
| 04/27/1999 | US5898345 Oscillator circuit with first and second frequency control elements |
| 04/27/1999 | US5898336 Charging pump circuit and a phase-locked loop circuit using the same |
| 04/27/1999 | US5898328 PLL circuit having a switched charge pump for charging a loop filter up or down and signal processing apparatus using the same |
| 04/27/1999 | US5897569 Ultrasonic generator with supervisory control circuitry |
| 04/22/1999 | WO1999019991A1 Digital radio-frequency transceiver |
| 04/22/1999 | WO1999019987A1 Phase-locked loop and method for automatically locking to a variable input frequency |
| 04/22/1999 | WO1999019986A1 Frequency detector |
| 04/22/1999 | WO1999019985A1 Externally-synchronized voltage-controlled oscillator in phase locked loop |
| 04/21/1999 | EP0910171A1 Frequency synthesizer |
| 04/21/1999 | EP0910170A2 Self-calibrating phase-lock loop |
| 04/21/1999 | EP0909491A1 Device and method for maintaining synchronization and frequency stability in a wireless telecommunication system |
| 04/21/1999 | EP0909483A1 A method of and an arrangement for controlling an oscillator |
| 04/21/1999 | EP0909482A1 Bridge-stabilized oscillator circuit and method |
| 04/21/1999 | EP0818081A4 Method and apparatus for controlling a fractional-n synthesizer in a time division multiple access system |
| 04/20/1999 | US5896562 Transmitter/receiver for transmitting and receiving of an RF signal in two frequency bands |
| 04/20/1999 | US5896428 Digital counter and digital phase locked loop circuit using same |
| 04/20/1999 | US5896347 Semiconductor memory system using a clock-synchronous semiconductor device and semiconductor memory device for use in the same |
| 04/20/1999 | US5896180 Phase-locked loop circuit for generating stable clock signal for use in regeneration of picture signal |
| 04/20/1999 | US5896068 Voltage controlled oscillator (VCO) frequency gain compensation circuit |
| 04/20/1999 | US5896067 Data processing apparatus and methods including a phase lock loop |
| 04/20/1999 | US5896066 PLL synthesizer having a reset circuit |
| 04/20/1999 | CA2079761C Device for detecting the locking of a digital phase lock loop |
| 04/15/1999 | WO1999018670A2 Automatic tuning of an integrated oscillator |
| 04/15/1999 | WO1999018660A1 Method and apparatus for deskewing clock signals |
| 04/15/1999 | DE19819240A1 Semiconductor device with noise elimination circuit |
| 04/14/1999 | EP0909036A1 Phase locked loop circuit |
| 04/14/1999 | EP0909035A2 Phase synchronisation device and phase quadrature signal generating apparatus |
| 04/14/1999 | EP0908013A1 Delay circuit and method |
| 04/14/1999 | EP0625292B1 Frequency synthesizer for quick returning |
| 04/14/1999 | CN2314516Y 同步控制器 Synchronous Controller |
| 04/14/1999 | CN1213930A Horizontal scanning pulse signal control circuit using digital circuit |
| 04/14/1999 | CN1213900A Synchronous delay circuit |
| 04/13/1999 | US5894247 Optical PLL circuit and method of controlling the same |
| 04/13/1999 | US5894246 Automatically tuning a voltage controlled oscillator for minimum side band noise |
| 04/13/1999 | CA2120094C Direct phase digitizing apparatus and method |
| 04/08/1999 | WO1999017450A1 Method and apparatus for biasing a charge pump |
| 04/08/1999 | WO1999004529A3 Voltage controlled oscillator |
| 04/08/1999 | WO1998054844A8 Centralized channel selection in a distributed rf antenna system |
| 04/07/1999 | EP0907254A2 Control loop for stabilising a microwave oscillator |
| 04/07/1999 | EP0907253A1 Oscillator for a phase locked loop |
| 04/07/1999 | EP0907252A2 Phase-locked loop with improved trade-off between lock-up time and power dissipation |
| 04/07/1999 | EP0907251A2 Synchronous delay circuit |
| 04/07/1999 | CN1213468A Frequency synthesizer with temp. compensation and frequency multiplication function and method thereof |
| 04/07/1999 | CN1213441A 减压阀 Valve |
| 04/06/1999 | US5892631 Method and an arrangement for detecting state transitions in a read signal during a bit cell timing window |
| 04/06/1999 | US5892474 Clock phase acquisition/tracking device and phase acquisition method |
| 04/06/1999 | US5892468 Digital-to-digital conversion using nonuniform sample rates |
| 04/06/1999 | US5892410 Method and apparatus for transmitting radio frequency signals |
| 04/06/1999 | US5892407 Phase-locked loop synthesizer |
| 04/06/1999 | US5892406 Mixed signal phase locked loop with process and temperature calibration |
| 04/06/1999 | US5892405 PLL synthesizer apparatus |
| 04/06/1999 | US5892383 Parallel voltage controlled resistance elements |
| 04/06/1999 | CA2150549C Fractional n frequency synthesis with residual error correction and method thereof |
| 04/06/1999 | CA2125443C Digitally controlled fractional frequency synthesizer |
| 03/31/1999 | EP0905912A2 Wireless microphone with UHF band FM transmitter |
| 03/31/1999 | EP0905910A2 Process and apparatus for changing frequency in a multichannel radio system |
| 03/31/1999 | EP0905909A2 Phase locked loop and method of recovering a clock signal |
| 03/31/1999 | EP0905908A1 Output stage for small current charge pump and demodulator incorporating such charge pump |
| 03/31/1999 | EP0775344B1 Accurate digital fault tolerant clock |
| 03/31/1999 | CN1212522A Phase-locked loop circuit |
| 03/31/1999 | CN1212521A Digital controlled oscillation circuit and PLL circuit |
| 03/31/1999 | CN1212505A Output stage for low-current charge pump and demodulator integrating such pump |
| 03/31/1999 | CN1212491A Semiconductor apparatus for use in low voltage power supply |
| 03/31/1999 | CN1212433A Semiconductor integrated circuit device |
| 03/30/1999 | US5889829 Phase locked loop with improved lock time and stability |
| 03/30/1999 | US5889828 Clock reproduction circuit and elements used in the same |
| 03/30/1999 | US5889443 Frequency synthesizing circuit using a phase-locked loop |
| 03/30/1999 | US5889439 Phase-locked loop with capacitive voltage divider for reducing jitter |
| 03/30/1999 | US5889438 Phase-locked oscillation and control circuit with a wavelet filter |
| 03/30/1999 | US5889437 Frequency synthesizer with low jitter noise |
| 03/30/1999 | US5889436 Phase locked loop fractional pulse swallowing frequency synthesizer |
| 03/30/1999 | US5889435 On-chip PLL phase and jitter self-test circuit |
| 03/30/1999 | US5889429 Semiconductor integrated circuit and semiconductor integrated circuit device |
| 03/30/1999 | US5889423 Generating circuit including selection between plural phase regulators |
| 03/30/1999 | US5889418 Frequency detector of phase locked loop |
| 03/25/1999 | WO1999014914A1 Afc circuit, carrier reproducing circuit, and receiver |
| 03/25/1999 | WO1999014859A1 A post-filtered δσ for controlling a phase locked loop m odulator |
| 03/25/1999 | WO1999014850A1 A compensated δσ controlled phase locked loop modulator |