Patents for H03B 21 - Generation of oscillations by combining unmodulated signals of different frequencies (1,067)
10/2007
10/02/2007US7276952 Clock signal generation using digital frequency synthesizer
09/2007
09/19/2007CN101039100A Circuit arrangement and method for generating local oscillator signals, and phase locked loop having the circuit arrangement
09/18/2007US7271668 Mixer circuits and methods with improved spectral purity
09/13/2007WO2007102300A1 Frequency synthesizer
09/11/2007US7268594 Direct digital synthesis with low jitter
09/07/2007WO2007055748A3 Mixer circuits and methods with improved spectral purity
09/05/2007CN101032075A Method and apparatus for frequency synthesis
09/05/2007CN101032074A System and method for introducing dither for reducing spurs in digital-to-time converter direct digital synthesis
08/2007
08/30/2007US20070200601 Differential drive circuit and method for generating an a.c. differential drive signal
08/21/2007US7259608 System and method for open-loop synthesis of output clock signals having a selected phase relative to an input clock signal
08/16/2007US20070188241 Oscillator array, and synchronization method of the same
08/15/2007CN101019307A Device for ultra wide band frequency generating
08/02/2007US20070176648 Precisely adjusting a local clock
08/01/2007EP1483827B1 Circuit arrangement for frequency conversion and mobile radio device with the circuit arrangement
07/2007
07/25/2007EP1810397A1 Method and apparatus for frequency synthesis
07/19/2007US20070164793 Apparatus for generating clock pulses using a direct digital synthesizer
07/18/2007CN1327372C Arbitary wave form synthesizer using free-running ring oscillator
07/17/2007US7245889 Signal source with multiphase filter
07/10/2007US7242913 Circuit arrangement for frequency conversion and mobile radio device with the circuit arrangement
07/10/2007US7242224 Continuous, wide-range frequency synthesis and phase tracking methods and apparatus
07/10/2007US7241630 number of coated paramagnetic particles on a plastic strip is determined by placing the strip in a coil of insulated wire and observing the effect their presence has on the self-inductance of the coil.
07/04/2007EP1803215A1 System and method for introducing dither for reducing spurs in digital-to-time converter direct digital synthesis
06/2007
06/21/2007WO2007069239A2 Apparatus, method and system for control of ac/ac conversion
06/14/2007DE102005056952A1 Schaltungsanordnung und Verfahren zur Erzeugung von Lokaloszillatorsignalen und Phasenregelkreis mit der Schaltungsanordnung Circuit arrangement and method for generating local oscillator signals and phase-locked loop with the circuitry
06/06/2007EP1792394A1 Device for ultra wide band frequency generating
05/2007
05/30/2007EP1307960B1 Frequency synthesizer
05/29/2007US7224884 Design method for a video signal processing integrated circuit and integrated circuit and video signal processing apparatus thereby
05/17/2007US20070109027 Free-running numerically-controlled oscillator using complex multiplication with compensation for amplitude variation due to cumulative round-off errors
05/09/2007CN1960186A Non-integer frequency division synthesizer and correlated method thereof
05/03/2007US20070096775 Adaptive voltage scaling for an electronics device
04/2007
04/24/2007US7209936 Frequency locked digitally tuned oscillator synthesizer
04/19/2007US20070085612 Synthesizer
04/18/2007EP1775843A1 Local oscillator with injection pulling suppression and spurious products filtering
04/17/2007US7205798 Phase error correction circuit for a high speed frequency synthesizer
04/10/2007US7202709 Waveform output device and drive device
04/05/2007DE102006021365A1 Weiterentwickelter Generator eines willkürlichen Wellenverlaufs Evolved generator of an arbitrary wave curve
03/2007
03/22/2007WO2007031788A1 Frequency synthesizer with fine resolution
03/22/2007US20070062287 Rupture event sensors
03/22/2007DE102006032422A1 Schwingschaltung mit zwei Oszillatoren Resonant circuit with two oscillators
03/20/2007US7193449 Method and apparatus for generating multi-phase signal
02/2007
02/22/2007US20070040624 Crystal oscillator
02/22/2007US20070040589 Signal generating circuit
02/15/2007WO2007018030A1 Frequency synthesizer
02/13/2007US7176727 Synthesizer
02/07/2007CN1910820A Oscillator array and its synchronization method
02/07/2007CN1299462C Frequency synthesizer, clock signal synthesizing method and oscillator signal synthesizing device
02/01/2007US20070024326 Method and apparatus for generating multiple analog signals using a single microcontroller output pin
01/2007
01/31/2007EP1748560A1 Frequency divider for generating an output signal having fifty percent duty cycle
01/31/2007CN1298111C Low noise microwave synthesizer employing high frequency combs for tuning drift cancel loop
01/30/2007US7171182 Frequency synthesizers for supporting voice communication and wireless networking standards
01/16/2007US7164297 Multiple reference clock synthesizer
01/11/2007US20070008018 Waveform generating circuit and spread spectrum clock generator
01/09/2007CA2338556C System and method employing a reduced nco lookup table
12/2006
12/27/2006EP1327298B1 Frequency synthesiser
12/26/2006US7154431 Signal synthesizer and method therefor
12/26/2006US7154346 Apparatus and method to provide a local oscillator signal
12/20/2006EP1733196A1 Arrangement for measuring the torque of rotating machine parts
12/14/2006US20060279338 Fully differential large swing variable gain amplifier
12/05/2006US7145379 Current driver and display device
11/2006
11/30/2006US20060267640 Method of establishing an oscillator clock signal
11/28/2006US7142614 Signal generating circuit for generating a reference phase signal and a quadrature signal
11/08/2006EP1720247A2 Generation of multiple frequencies
11/02/2006WO2006115426A1 Method for controlling biological processes and a device for carrying out said method
11/02/2006US20060246861 Regenerative divider for up and down conversion of radio frequency (rf) signals
10/2006
10/19/2006US20060232305 Logic gate with reduced sub-threshold leak current
10/18/2006EP1713182A1 Oscillator array and its synchronization method
10/18/2006EP1500205B1 Frequency synthesizers for supporting voice communication and wireless networking standards
10/12/2006WO2006107393A1 Multiple reference clock synthesizer
10/05/2006US20060220697 Multiple reference clock synthesizer
09/2006
09/21/2006US20060207347 Arrangement for measuring the torque of rotating machine parts
09/14/2006US20060203606 System and method for open-loop synthesis of output clock signals having a selected phase relative to an input clock signal
09/12/2006US7106115 Arbitrary waveform synthesizer to generate one or more arbitrary waveforms
09/05/2006US7103127 System for controlling the frequency of an oscillator
08/2006
08/24/2006US20060186931 Method for locking a synthesised output signal of a synthesised waveform synthesiser in a phase relationship with an input signal, and a digital waveform synthesiser for producing a synthesised output signal in a phase relationship with an input signal
08/24/2006US20060186930 Direct digital frequency synthesizer
08/22/2006US7095257 Fast low drop out (LDO) PFET regulator circuit
08/17/2006US20060181491 Display device comprising display driver having display driving section formed between transistors providing electric current thereto
08/15/2006US7091757 Frequency generator and communication system
08/09/2006EP1210763B1 Master frequency generator
08/02/2006EP1317796A4 Frequency adjustable oscillator and methods of operation
08/01/2006US7085548 Harmonic mixer
08/01/2006US7084686 System and method for open-loop synthesis of output clock signals having a selected phase relative to an input clock signal
08/01/2006US7084676 Method and apparatus for fractional RF signal synthesis
07/2006
07/27/2006US20060164132 System and method for jitter control
07/20/2006DE102005022866A1 In einem Direktwandlungs-Sendeempfänger verwendeter Mischer und sich darauf beziehendes Frequezwandlungsverfahren In a direct conversion transceiver mixer used and out of relational Frequezwandlungsverfahren
07/11/2006US7075957 Controlling an optical source using a beat frequency
07/06/2006US20060145733 Bandlimited digital synthesis of analog waveforms
07/06/2006US20060145732 Fast locking method and apparatus for frequency synthesis
06/2006
06/28/2006EP1550204B1 Multiple band local oscillator frequency generation circuit
06/28/2006CN1262065C Frequency synthesizer and synthesizing method
06/27/2006US7068081 Frequency synthesizer with digital phase selection
06/08/2006US20060119402 Multi-frequency clock synthesizer
06/07/2006CN1783701A High order sigma delta noise shaping direct digital frequency synthesizer
05/2006
05/23/2006US7049866 Compensating for leakage currents in loop filter capacitors in PLLs and the like
05/17/2006EP1657822A1 Frequency comb generator for synthesizers
05/17/2006CN1256803C Multi-mode radio communications device using common reference oscillator
05/16/2006US7046099 Temperature compensated oscillator
05/09/2006US7043221 Mixer circuit with image frequency rejection, in particular for an RF receiver with zero or low intermediate frequency
05/03/2006CN1254694C Nonlinear electro earthquake exploration
05/02/2006US7039438 Multi-mode radio communications device using a common reference oscillator
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