Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
02/1999
02/11/1999CA2296309A1 Systems and methods for automatic deviation setting and control in radio transmitters
02/11/1999CA2242135A1 Circuit arrangement for setting a system frequency
02/10/1999EP0896434A1 Phase locked loop circuit
02/10/1999EP0896432A1 Synchronous delay circuit
02/10/1999EP0895674A1 Transmit sequencing
02/10/1999CN1207843A Method for reducing transients in clock signal generating system
02/09/1999USRE36090 Method and a device for synchronizing a signal
02/09/1999US5870592 Clock generation apparatus and method for CMOS microprocessors using a differential saw oscillator
02/09/1999US5870591 A/D with digital PLL
02/09/1999US5870446 Mechanism for automatically adjusting the phase of a transmission strobe clock signal to correct for misalignment of transmission clock and data signals
02/09/1999US5870003 High frequency phase-locked loop circuit having reduced jitter
02/09/1999US5870002 Phase-frequency lock detector
02/09/1999US5870001 Apparatus, and associated method, for calibrating a device
02/09/1999US5870000 Oscillation circuit and PLL circuit using same
02/04/1999WO1999005792A1 Pll frequency synthesizer and method for controlling the pll frequency synthesizer
02/04/1999DE19834416A1 Clock signal generator operating as delay locked loop
02/04/1999DE19740700C1 Clock signal phase difference evaluation method
02/03/1999EP0895386A1 Carrier control circuit for a receiver of digital transmitted signals
02/03/1999EP0895358A2 Fast start-up processor clock generation method and system
02/03/1999EP0895355A2 Digitally Controlled Delay Circuit
02/03/1999EP0894369A1 Distribution of radio-frequency signals through low bandwidth infrastructures
02/02/1999US5867545 Phase-locked loop circuit
02/02/1999US5867544 Phase-locked loop oscillator, and moving-average circuit, and division-ratio equalization circuit suitable for use in the same
02/02/1999US5867536 Digital synchronization of broadcast frequency
02/02/1999US5867524 Spread spectrum clock generator and associated method
02/02/1999US5867432 Clock control circuit
02/02/1999US5867333 Data recording and reproducing apparatus and phase locked loop circuit for use therein including D/A converters acting as charge pumps and a reference voltage source
02/02/1999US5867068 Frequency synthesizer using double resolution fractional frequency division
02/02/1999US5867046 Multi-phase clock generator circuit
02/02/1999CA2095350C Phase locking circuit for jitter reduction in a digital multiplex system
01/1999
01/28/1999WO1999004529A2 Voltage controlled oscillator
01/28/1999WO1999004495A1 Phase-locked loop with phase and frequency comparators
01/28/1999WO1999004494A1 A master-slave delay locked loop for accurate delay of non-periodic signals
01/28/1999WO1999004491A1 Thermal drift compensation system
01/28/1999WO1999004282A1 Device for sending and receiving radar waves, especially for a distance sensor
01/28/1999WO1998048514A3 Frequency synthesizer, particularly for use in a channel ic for hard disks
01/28/1999CA2296420A1 Voltage controlled oscillator
01/27/1999EP0893886A1 Device for synchronising a digital receiver
01/27/1999EP0893018A1 D.t.r.m. data timing recovery module
01/27/1999EP0893011A1 Phase-locked loop switchable between a high and a low bandwidth
01/27/1999EP0893009A1 Phase locked loop with improved lock time and stability
01/27/1999CN1206248A Simple voltage-to-current converting circuit with wide control range
01/26/1999US5864572 Hyperactivity detection apparatus
01/26/1999US5864258 VCO composed of plural ring oscillators and phase lock loop incorporating the VCO
01/26/1999US5864249 PLL circuit and recording or reproducing apparatus utilizing the same
01/26/1999US5864248 Phase-locked loop circuit for reproducing clock signals synchronized with transmitter in receiver
01/26/1999CA2154812C Fast acting control system
01/26/1999CA2154811C Fast acting control system
01/26/1999CA2113761C A current-controlled oscillator
01/26/1999CA2076893C Low noise fine frequency step synthesizer
01/21/1999WO1999003207A1 Digital phase locked loop
01/21/1999DE19731085A1 Einrichtung zum Senden und Empfangen von Radarwellen, insbesondere für einen Abstandssensor Means for transmitting and receiving radar waves, in particular for a distance sensor
01/20/1999EP0892499A1 An integrated circuit with two phase-locked loops and with means for preventing locking owing to injection
01/20/1999CN1205577A Clock multiplier having two feedback loops
01/20/1999CN1041782C Clock signal generator for digital television receiver
01/19/1999US5861842 Spacecraft disciplined reference oscillator
01/19/1999US5861780 Variable frequency ring oscillator and phase locked loop circuit to which the ring oscillator is adapted
01/19/1999US5861766 Multimode frequency synthesizer having high loop gain in frequency seek mode
01/19/1999CA2105107C Voltage to current converter with independent loop gain and frequency control
01/14/1999DE19729634A1 Frequency synthesiser
01/14/1999DE19729476A1 Numerically controlled oscillator for e.g. digital PLL circuit
01/13/1999EP0885499A3 Transmission system and recording system having a simplified symbol detector
01/13/1999EP0835550B1 Phase comparator without dead zone
01/12/1999US5859890 Dual modulus prescaler
01/12/1999US5859816 Tracking error signal generating circuit
01/12/1999US5859671 Of a digital television
01/12/1999US5859570 Frequency synthesizer using divided and frequency converted DDS signal as reference for PLL
01/12/1999US5859551 Digital PLL circuit
01/12/1999US5859550 Network switching system including a zero-delay output buffer
01/12/1999US5859549 Digital audio frame and block synchonization
01/12/1999CA2126872C Temperature compensation of a crystal reference using direct synthesis
01/12/1999CA2099299C Frequency synthesizer
01/12/1999CA2095597C Device and method for automatically adjusting a phase-locked loop
01/07/1999WO1999000903A1 Phase lock circuit, information processor, and information processing system
01/07/1999WO1999000902A1 Communication device a frequency compensating synthesizer and method of providing same
01/07/1999WO1998042076A3 Receiver tuning system
01/07/1999EP0889619A1 FSK modulator with a phase locked loop
01/07/1999EP0889616A1 Data acquisition device and method for synchronizing with a host
01/07/1999EP0889595A1 High-frequency signal generator
01/07/1999EP0889594A1 Clock adjusting circuit
01/07/1999EP0889589A2 Voltage controlled oscillation circuit
01/07/1999EP0889411A2 On-chip PLL phase and jitter self-test circuit
01/07/1999DE19816124A1 Over sampling rotary frequency detector especially for PLL in telecommunication system
01/06/1999CN1204185A Equipment for controlling clock signal switching phase transient and method
01/05/1999US5857095 Method for aligning a control signal and a clock signal
01/05/1999US5856851 Clock phase synchronizing circuit
01/05/1999US5856766 Communication device with a frequency compensating synthesizer and method of providing same
01/05/1999US5856762 Phase-locked loop with course providing damping and natural frequency independence
01/05/1999US5856761 PLL frequency synthesizer using plural phase comparators and frequency dividers
12/1998
12/30/1998EP0803116A4 A harmonic and frequency-locked loop pitch tracker and sound separation system
12/30/1998CN1203708A Highly stable frequency synthesizer loop with feedforward
12/30/1998CN1203483A Phase-locked loop circuit
12/30/1998CN1041481C Clock extraction circuit for fiber optical receivers
12/29/1998USRE36013 Differential charge pump circuit with high differential and low common mode impedance
12/29/1998US5854615 Matrix addressable display with delay locked loop controller
12/29/1998US5854576 Method and apparatus for a finely adjustable clock circuit
12/29/1998US5854575 Dual-loop phase-locked loop
12/29/1998CA2084284C Divider synchronization circuit
12/29/1998CA2061475C Phase-lock-loop system with variable bandwidth and charge pump parameters
12/24/1998DE19714468A1 Clock signal switching method for telecommunication