Patents
Sitemap › H03 - Basic electronic circuitry › H03L - Automatic control, starting, synchronisation, or stabilisation of generators of electronic oscillations or pulses › H03L 1 - Stabilisation of generator output against variations of physical values, e.g. power supply
Patents for H03L 1 - Stabilisation of generator output against variations of physical values, e.g. power supply (2,641)
10/2000
10/18/2000CN1270712A Temperature compensation in electronic devices
10/18/2000CN1270412A System and method for compensating parameter of crystal sheets
10/10/2000CA2202844C Method and apparatus for temperature compensation of a reference oscillator in a communication device
10/04/2000EP1040580A1 Cmos output amplifier independent of temperature, supply voltage and manufacturing quality of transistors
10/03/2000US6127661 Dynamic thermal control for ovenized oscillators
09/2000
09/26/2000CA2138733C Perishable good integrity indicator
09/21/2000WO2000055972A1 Method and arrangement for generating a control signal
09/20/2000EP1037388A2 Process-tolerant integrated circuit design
09/19/2000USRE36874 Supply voltage tolerant phase-locked loop circuit
09/19/2000US6121848 Integrated accurate thermal frequency reference
09/13/2000CN1266554A Communications device
09/13/2000CN1266550A Phase frequency detector having instantaneous phase difference output
08/2000
08/15/2000US6104252 Circuit for automatic frequency control using a reciprocal direct digital synthesis
08/10/2000WO2000031870A3 Methods and systems for frequency generation for wireless devices
08/09/2000EP1025635A1 Crystal oscillator with agc and on-chip tuning
08/02/2000CN1261994A Thermostatically controlled quartz generator
08/02/2000CN1261993A Function generation circuit, crystal oscillation device,and method of adjusting the oscillation device
07/2000
07/26/2000EP1022856A2 Transmitting and receiving apparatus capable of the suppression of the microphonic noise in digital transmission system
07/05/2000EP1016217A2 Temperature compensation in electronic devices
06/2000
06/29/2000WO2000038323A1 Frequency synthesizer module for dual band radio
06/27/2000US6081164 PLL oscillator package and production method thereof
06/27/2000US6081163 Standard frequency and timing generator and generation method thereof
06/22/2000WO2000036745A1 A precision relaxation oscillator with temperature compensation and various operating modes
06/21/2000EP1010251A4 Temperature compensation circuit for a crystal oscillator
06/21/2000EP1010251A1 Temperature compensation circuit for a crystal oscillator
06/21/2000CN1257619A Approxiamate third-order function generator, temperature compensation quartz oscillation circuit made by using the same, and temperature compensation method
06/13/2000US6075979 Radio receivers
06/07/2000EP1006661A1 High frequency signal generator using a reference clock
06/07/2000EP0803133A4 Self stabilizing heater controlled oscillating transistor
06/02/2000WO2000031870A2 Methods and systems for frequency generation for wireless devices
05/2000
05/23/2000US6066989 Frequency synthesizer module for dual band radio
05/18/2000WO2000028665A1 Frequency tuning for radio transceivers
05/17/2000EP1000466A2 Phase frequency detector having instantaneous phase difference output
05/17/2000EP0835553B1 Automatic local oscillator frequency stabilization process in radio receivers employing a wide-band tunable local dielectric-resonator oscillator and associated device
05/16/2000US6065140 Optimized computation of first and second divider values for a phase locked loop system
05/11/2000DE19952304A1 High frequency millimeter wave oscillator for car anti collision radar system
05/10/2000EP0699369B1 Apparatus and methods for improving timing recovery of a system clock
05/03/2000EP0998022A1 Function generation circuit, crystal oscillation device, and method of adjusting the crystal oscillation device
05/03/2000EP0998021A1 Thermostatically controlled quartz generator
05/03/2000CN1252186A AFC-digital tuning through mutual digital synthesis
05/02/2000US6058488 Method of reducing computer module cycle time
04/2000
04/27/2000WO2000024128A1 Thermo-electric cooled oven controlled crystal oscillator
04/19/2000EP0994563A2 Low profile integrated oscillator
04/19/2000CN1251227A Circuitry and method for detecting frequency deviation caused by aging of oscillator
04/18/2000US6052036 Crystal oscillator with AGC and on-chip tuning
04/18/2000US6052035 Oscillator with clock output inhibition control
04/11/2000US6049256 Low profile ovenized oscillator packing having a high thermal conductivity substrate
04/11/2000US6049240 Logical delaying/advancing circuit used
03/2000
03/28/2000US6043720 Oscillator frequency drift compensated by varying different biassing parameters
03/22/2000EP0986856A1 Communications device
03/21/2000US6040744 Temperature-compensated crystal oscillator
03/09/2000WO1999057814A3 Phase frequency detector having instantaneous phase difference output
03/08/2000EP0886921A4 Temperature compensation circuit for a crystal oscillator and method of providing same
03/07/2000US6034519 Internal supply voltage generating circuit
02/2000
02/29/2000US6031430 Temperature stabilized oscillator and proximity switch containing the oscillator
02/29/2000US6031427 System for sweeping a phase lock loop into lock with automatic initiation and shutdown
02/24/2000WO1999052214A3 Communications device
02/08/2000US6023198 Self-tuning and temperature compensated voltage controlled oscillator
02/03/2000WO2000005818A1 Cmos output amplifier independent of temperature, supply voltage and manufacturing quality of transistors
02/01/2000US6020792 Precision relaxation oscillator integrated circuit with temperature compensation
02/01/2000US6020791 Apparatus and method for adjusting temperature compensated quartz oscillator
01/2000
01/26/2000EP0974196A1 Afc-digital tuning through mutual digital synthesis
01/18/2000CA2054237C Digital radio frequency compensation
01/11/2000CA2079021C Self-regulating oscillator circuit and method
01/05/2000EP0969591A1 Piezo-oscillator
12/1999
12/14/1999US6002291 Cubic type temperature function generator with adjustable parameters
12/08/1999EP0962052A1 Temperature insensitive silicon oscillator and precision voltage reference formed therefrom
12/08/1999CN1238074A Temperature compensation circuit for crystal oscillator
12/07/1999US5999063 Temperature-compensated crystal oscillator using square-law converter circuits for lower and higher temperature sides
11/1999
11/30/1999US5994970 Temperature compensated crystal oscillator
11/30/1999US5994968 VCO having a low sensitivity to noise on the power supply
11/30/1999US5994967 Oscillator circuit employing frequency-locked loop feedback topology
11/25/1999WO1999048209A3 Interacting oscillator and frequency discriminator with a common resonator or time delay unit
11/23/1999US5990754 Phase and base potential converter and temperature-compensated crystal oscillator having the same
11/23/1999US5990720 Temperature phase shift circuit and coordinate input apparatus
11/16/1999US5986515 Temperature compensation crystal oscillator
11/11/1999WO1999057814A2 Phase frequency detector having instantaneous phase difference output
11/04/1999WO1999056395A1 Method for regulating an oscillator and regulating system
11/04/1999WO1999056387A1 Apparatus and method for minimizing turn-on time for a crystal oscillator
11/02/1999US5977840 Circuit for minimizing turn-on time of temperature compensated crystal oscillator
11/02/1999US5977839 Compensated frequency source with latched temperature compensation, and method for it's control
10/1999
10/20/1999CN1232320A Improved digital temp. compensation voltage controlled oscillator
10/19/1999US5969577 Voltage controlled oscillator less sensitive to fluctuation of threshold of component transistors
10/14/1999WO1999052214A2 Communications device
10/05/1999US5963105 Trimmable circuitry for providing compensation for the temperature coefficients of a voltage controlled crystal-less oscillator
09/1999
09/23/1999WO1999048209A2 Interacting oscillator and frequency discriminator with a common resonator or time delay unit
09/22/1999EP0944169A2 A precision relaxation oscillator integrated circuit with temperature compensation
09/14/1999US5952894 Resonant circuit having a reactance for temperature compensation
09/07/1999US5949291 Cordless telephone with digital frequency adjustment
09/01/1999EP0939488A1 Voltage controlled tuning cicuit
08/1999
08/10/1999CA2114268C Clock synchronizing circuit
08/04/1999EP0933875A1 Voltage controlled oscillator
08/03/1999CA2018352C Temperature controlled crystal oscillator circuit
07/1999
07/29/1999WO1999038260A1 Temperature compensated oscillator
07/29/1999CA2317482A1 Temperature compensated oscillator
07/22/1999WO1999037018A1 Piezo-oscillator
07/08/1999WO1999003194A3 Thermostatically controlled quartz generator
07/07/1999EP0897616A4 Frequency synthesizer with temperature compensation and frequency multiplication and method of providing the same
06/1999
06/23/1999CN1220520A Voltage controlled oscillation circuit
06/15/1999US5912595 Digitally temperature compensated voltage-controlled oscillator tunable to different frequency channels
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