Patents for H03L 1 - Stabilisation of generator output against variations of physical values, e.g. power supply (2,641) |
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04/30/1996 | US5512864 Method and apparatus for compensating for neutron induced frequency shifts in quartz resonators |
04/24/1996 | EP0686322A4 Method and apparatus for providing a modified temperature compensation signal in a tcxo circuit |
04/24/1996 | CN1031678C Circuit of stable temprature poulsen-ar converter with heating unit which can be controlled from outside |
04/03/1996 | EP0704976A1 Phase-locked loop control circuit and method |
03/12/1996 | US5499393 Receiver with function to adjust local frequency following reception frequency |
03/12/1996 | CA2018264C Oscillator temperature compensating circuit using stored and calculated values |
03/06/1996 | EP0699369A1 Apparatus and methods for improving timing recovery of a system clock |
02/28/1996 | EP0698313A1 Method for starting a radio transmitter and a radio transmitter |
02/27/1996 | US5495208 Wide band tunable and modulatable reference oscillator |
02/14/1996 | CN1116886A Method and apparatus for providing a modified temperature compensation signal in a TCXO circuit |
02/13/1996 | US5491456 Oscillator compensated for improved frequency stability |
02/08/1996 | WO1996003799A1 Temperature compensation type quartz oscillator |
02/06/1996 | US5489821 Lamp oscillator for atomic frequency standards |
01/30/1996 | US5488333 Wireless thermally insulated crystal oscillator having power and signals coupled through transceivers |
01/23/1996 | US5486786 Process monitor for CMOS integrated circuits |
01/18/1996 | WO1996001524A1 Piezoelectric oscillator |
01/16/1996 | US5485127 Integrated dynamic power dissipation control system for very large scale integrated (VLSI) chips |
01/03/1996 | EP0690564A1 Method and apparatus for sensing common mode error |
01/02/1996 | US5481229 Low power temperature compensated crystal oscillator |
12/14/1995 | WO1995034133A1 A method for controlling a phase-locked loop, and a phase-locked loop |
12/13/1995 | EP0686322A1 Method and apparatus for providing a modified temperature compensation signal in a tcxo circuit |
12/12/1995 | US5475325 Clock synchronizing circuit |
12/05/1995 | US5473289 Temperature compensated crystal oscillator |
11/22/1995 | EP0683558A1 Method and apparatus for reducing power dissipation in an electronic device |
11/22/1995 | EP0682827A1 Voltage controlled oscillator with efficient process compensation. |
11/21/1995 | US5469120 High performance voltage controlled oscillator |
11/15/1995 | EP0682412A1 Circuit with a composite transfer function |
11/14/1995 | US5467059 Temperature-stabilized oscillator circuit having heating elements that can be externally influenced |
10/31/1995 | US5463352 Supply voltage tolerant phase-locked loop circuit |
10/17/1995 | US5459436 Temperature compensated crystal oscillator with disable |
10/12/1995 | WO1995027329A1 A tuning circuit |
09/28/1995 | WO1995022855A3 Apparatus and methods for improving timing recovery of a system clock |
09/13/1995 | EP0671080A1 Temperature compensated oscillator circuit |
08/24/1995 | WO1995022855A2 Apparatus and methods for improving timing recovery of a system clock |
08/15/1995 | US5442669 Perishable good integrity indicator |
08/15/1995 | US5442325 Voltage-controlled oscillator and system with reduced sensitivity to power supply variation |
08/08/1995 | US5440277 VCO bias circuit with low supply and temperature sensitivity |
07/19/1995 | EP0663647A2 Temperature phase shift circuit and coordinate input apparatus |
06/27/1995 | US5428319 Method and apparatus for providing a modified temperature compensation signal in a TCXO circuit |
06/27/1995 | US5428315 Method of making radiation hardened quartz crystal oscillators |
06/14/1995 | EP0658004A2 Digital temperature compensated crystal oscillator |
06/13/1995 | US5424601 Temperature stabilized crystal oscillator |
06/01/1995 | WO1995015031A1 Method and apparatus for providing a modified temperature compensation signal in a tcxo circuit |
06/01/1995 | DE4441720A1 Vorrichtung zur Temperaturüberwachung A temperature monitoring device |
06/01/1995 | DE4340583A1 Temperature-stabilised hybrid circuit |
06/01/1995 | CA2151944A1 Method and apparatus for providing a modified temperature compensation signal in a tcxo circuit |
05/31/1995 | EP0655833A2 A temperature stable square wave oscillator |
05/30/1995 | US5420550 Method and apparatus for sensing common mode error |
05/04/1995 | DE4332439C1 Oscillator circuit for coin checker |
04/19/1995 | EP0635137A4 High temperature stabilized time base. |
04/11/1995 | US5406231 Oscillator unit with improved frequency stability |
02/21/1995 | US5392005 Field calibration of a digitally compensated crystal oscillator over a temperature range |
02/14/1995 | US5389899 Frequency synthesizer having quick frequency pull in and phase lock-in |
01/31/1995 | US5386201 Temperature stable square wave oscillator |
01/25/1995 | EP0635137A1 High temperature stabilized time base |
01/18/1995 | CN1027479C Temperature compensation of a crystal reference using direct digital synthesis |
01/17/1995 | US5382922 Calibration systems and methods for setting PLL gain characteristics and center frequency |
11/24/1994 | WO1994027372A1 Method for starting a radio transmitter and a radio transmitter |
11/17/1994 | EP0624288A1 Temperature compensation of a crystal reference using direct digital synthesis |
10/25/1994 | US5359303 FET oscillator using voltage and temperature compensated amplifier |
10/25/1994 | US5359302 Self-regulating oscillator circuit and method |
10/19/1994 | EP0374235B1 Phase-control circuit |
10/18/1994 | US5357220 Emitter-coupled oscillator with differential switching control |
10/11/1994 | US5355098 Phase-locked loop with memory storing control data controlling the oscillation frequency |
09/28/1994 | CN1092919A Circuit of stable temprature poulsen-ar converter with heating unit which can be controlled from outside |
09/28/1994 | CN1092917A Circuit of poulsen-arc converter with accumulator for storage of information of characteristics of piezoelectric quartz |
09/14/1994 | EP0615360A2 Clock synchronizing circuit |
09/13/1994 | US5347558 Input frequency converter to increase input frequency range of a synchronous delay line |
09/07/1994 | EP0614274A1 Oscillator |
08/31/1994 | EP0613252A2 A temperature compensated crystal oscillator |
08/23/1994 | US5341112 Temperature stable oscillator circuit apparatus |
08/18/1994 | WO1994018753A1 Voltage controlled oscillator with efficient process compensation |
08/17/1994 | EP0611058A2 A current-controlled oscillator |
08/03/1994 | EP0608681A1 Oscillator circuit with a memory for memorising characteristic information individual to the quartz vibrator |
08/03/1994 | EP0608680A2 Temperature-stabilised oscillator circuit comprising heating elements acted on from the exterior |
07/30/1994 | CA2114363A1 Temperature-stabilized oscillator circuit having heating elements that can be externally influenced |
07/30/1994 | CA2114360A1 Oscillator circuit having a memory that stores characteristic information of the individual oscillator crystal |
07/26/1994 | US5332930 Phase locked loop circuitry with variable gain and bandwidth |
07/19/1994 | US5331295 Voltage controlled oscillator with efficient process compensation |
07/19/1994 | US5331292 Autoranging phase-lock-loop circuit |
07/12/1994 | US5329255 Thermally compensating microwave cavity |
06/07/1994 | US5319324 Method of direct bonding of crystals and crystal devices |
05/31/1994 | US5317287 Low-gain, range programmable, temperature compensated voltage controlled ring oscillator |
05/31/1994 | CA2025970C Shield case structure for an oscillator |
05/26/1994 | WO1994011763A1 High temperature stabilized time base |
05/26/1994 | CA2127809A1 High temperature stabilized time base |
04/13/1994 | EP0378635B1 Ultrastable oscillator operating at atmospheric pressure and in vacuo |
03/29/1994 | US5298870 Voltage controlled ring oscillator having differential amplifier stages |
02/17/1994 | WO1994003980A1 Temperature compensated oscillator circuit |
02/17/1994 | CA2141055A1 Temperature compensated oscillator circuit |
01/26/1994 | EP0580209A1 Low-Gain, range programmable temperature compensated voltage controlled oscillator |
01/11/1994 | US5278523 Temperature-stable tuned-circuit oscillator, especially in a proximity switch |
11/18/1993 | DE4209843A1 Temp. compensated oscillator circuit - stores tuning element setting signal and corresponding temp. signal during calibration phase for subsequent provision of correction signal |
11/02/1993 | US5258725 Phase lock loop with compensation for voltage or temperature changes in a phase comparator |
10/27/1993 | EP0566586A1 An oscillator unit with improved frequency stability |
10/05/1993 | US5250871 Low vibration sensitivity crystal resonator arrangement |
09/21/1993 | CA2063404C Voltage control oscillator with automatic current control |
09/15/1993 | EP0560475A1 Method and apparatus for selecting optimum receiving frequency in a multichannel receiver |
09/15/1993 | CN1076282A Temperature compensation of a crystal reference using direct digital synthesis |
08/31/1993 | US5241286 FET oscillator using voltage and temperature compensated amplifier |