Patents
Patents for H03B 28 - Generation of oscillations by methods not covered by groups , including modification of the waveform to produce sinusoidal oscillations (1,097)
06/2003
06/19/2003US20030112083 Multiple duty cycle tap points for a precise and programmable duty cycle generator
06/10/2003US6577202 Multiple duty cycle tap points for a precise and programmable duty cycle generator
06/03/2003US6573766 Synthesizing a sine wave
05/2003
05/22/2003WO2003043178A2 Frequency agile spread waveform generator and method and pre-processor apparatus and method
05/22/2003WO2003043177A2 Agile spread waveform generator and photonic oscillator
05/22/2003WO2003043175A1 Low noise oscillator
05/21/2003EP1311935A2 Noise-shaped digital frequency synthesis
05/13/2003US6563350 Timing signal generator employing direct digital frequency synthesis
05/07/2003EP0988691A4 Frequency synthesis circuit tuned by digital words
05/07/2003EP0912921B1 Method of generating signal amplitude responsive to desired function, and converter
04/2003
04/24/2003US20030076186 Oscillation circuit
03/2003
03/25/2003US6539411 Direct digital synthesizer
03/20/2003US20030053553 Subscriber unit producing a modulated digital frequency
02/2003
02/27/2003US20030038657 Waveform data generation apparatus
02/25/2003US6525592 Integrated sine wave generating circuit
02/18/2003US6522177 Frequency synthesis device
02/13/2003US20030030469 Circuits and methods for generating an accurate digital representation of a sinusoidal wave
02/11/2003US6518802 Circuits and methods for generating an accurate digital representation of a sinusoidal wave
02/06/2003US20030025534 Circuit arrangement for generating waveforms
02/05/2003EP0885510A4 Method and apparatus for routing a digitized rf signal to a plurality of paths
01/2003
01/16/2003US20030014721 Method for dividing ROM and DDFS using the same method
01/02/2003EP1271173A2 Method of operating an NMR spectrometer with a DDS generator
12/2002
12/31/2002CA2098372C Receiver adaptively operable for multiple signal transmission systems
12/18/2002CN1096741C Frequency modulated dual-tone multi-frequency generator
12/05/2002US20020184274 Sinusoid synthesis
12/04/2002EP1263128A2 Sinusoid synthesis
11/2002
11/19/2002US6483356 Sinusoidal signal generating circuit providing small phase difference with respect to reference signal and apparatus for driving oscillating element with circuit
10/2002
10/24/2002US20020153961 Power oscillator for control of waveshape and amplitude
10/10/2002WO2002080350A1 Power oscillator for control of waveshape and amplitude
09/2002
09/19/2002US20020130689 Frequency synthesizer
09/11/2002EP1057252A4 Direct digital synthesis of precise, stable angle modulated rf signal
09/10/2002US6449317 Digital synthesizer
09/03/2002US6446244 Method and circuit configuration for producing sinusoidal/cosinusoidal oscillations
08/2002
08/29/2002US20020118051 Sinusoidal signal generating circuit providing small phase difference with respect to reference signal and apparatus for driving oscillating element with circuit
08/14/2002EP1230729A1 Circuit arrangement for producing signal forms
08/14/2002EP1138114B1 Oscillator and telecommunications system with such an oscillator
08/14/2002CN1363843A Digital controlled oscillator for radio signal receiver
08/07/2002CN1362848A Method and circuit for obtaining second clock signal from first clock signal
07/2002
07/18/2002WO2002017050A3 Noise-shaped digital frequency synthesis
07/18/2002US20020094036 High precision, low phase noise synthesizer with vector modulator
06/2002
06/25/2002US6411093 Frequency generator for NMR applications with direct digital frequency synthesis (DDS)
06/20/2002US20020075077 Numerically controlled oscillator in particular for a radiofrequency signal receiver
06/20/2002DE10007679C2 Frequenzgenerator für NMR-Anwendungen mit direkter digitaler Frequenzsynthese (DDS), Verfahren zum Betrieb eines solchen DDS-Generators sowie Verfahren zum Betrieb eines NMR-Spektrometers mit DDS-Generator Frequency generator for NMR applications with direct digital frequency synthesis (DDS) method for operating such a DDS generator and method for operating an NMR spectrometer with DDS generator
06/19/2002EP1214790A2 Direct digital frequency synthesis enabling spur elimination
06/15/2002CA2362232A1 Numerically controlled oscillator in particular for a radiofrequency signal receiver
05/2002
05/28/2002US6396313 Noise-shaped digital frequency synthesis
05/21/2002US6392499 Frequency shift modulation circuit
05/02/2002US20020051503 Receiver in a radio communication system
05/01/2002CN1347588A Direct digital frequency synthesizer enabling spur elimination
05/01/2002CN1084083C Non-single-cycled waveform generating method and arrangement
04/2002
04/30/2002US6380875 Digital ramp generator with output power level controller
04/10/2002CN1082748C System, method and program product for generating sine or cosine waveform utilizing combined look-up table
04/09/2002US6369661 Phase interpolation circuits and methods and systems using the same
04/04/2002US20020039396 Method and circuit for deriving a second clock signal from a first clock signal
04/04/2002DE10046592A1 Process and device for high frequency surgery divides signal from generator into active and pause portions
04/03/2002EP1193856A2 Sinusoidal signal generating circuit providing small phase difference with respect to reference signal and apparatus for driving oscillating element with circuit
04/03/2002EP1193589A1 Method and circuit for deriving a second clock signal from a first clock signal
04/02/2002US6366620 VSAT system
03/2002
03/27/2002EP1190295A1 Digital synthesizer with coherent division
03/12/2002US6356597 High precision, low phase noise synthesizer with vector modulator
02/2002
02/28/2002WO2002017050A2 Noise-shaped digital frequency synthesis
02/14/2002US20020017945 Integrated sine wave generating circuit
02/13/2002CN1336062A Phase interpolation receiver for angle modulated RF signals
02/12/2002US6347325 Direct-digital synthesizers
02/07/2002US20020014983 Digital ramp generator with output power level controller
01/2002
01/16/2002EP1172931A1 Integrated high power sine wave generating ciruit
01/15/2002US6339317 Regulator for sine wave generator and sine wave generator unit including such a regulator
01/12/2002CA2353003A1 Integrated sine wave generating circuit
01/02/2002EP1168598A2 High precision, low phase noise synthesizer with vector modulator
12/2001
12/19/2001CN1327631A Oscillator and telecommunication system with such an oscillator
12/04/2001US6326858 Oscillator circuit with thermal feedback
11/2001
11/14/2001CN1074868C Phase-accumulated sine-wave producer
11/13/2001US6317468 IF exciter for radio transmitter
10/2001
10/31/2001EP1149464A1 Digital ramp generator with output power level controller
10/24/2001EP0951750B1 Method and circuit configuration for producing sinusoidal/cosinusoidal oscillations
10/10/2001CN1072861C Multi-channel digital transceiver and method thereof
10/04/2001EP1138114A1 Oscillator and telecommunications system with such an oscillator
10/03/2001CN1316150A System and method for lookup table by NCO
09/2001
09/20/2001DE10007679A1 Frequenzgenerator für NMR-Anwendungen mit direkter digitaler Frequenzsynthese (DDS), Verfahren zum Betrieb eines solchen DDS-Generators sowie Verfahren zum Betrieb eines NMR-Spektrometers mit DDS-Generator Frequency generator for NMR applications with direct digital frequency synthesis (DDS) method for operating such a DDS generator and method for operating an NMR spectrometer with DDS generator
09/05/2001EP1130411A1 Frequency generator for NMR use with direct digital synthesis (DDS)
08/2001
08/29/2001EP1127440A1 Phase interpolation receiver for angle modulated rf signals
08/23/2001US20010015644 Frequency generator for NMR applications with direct digital frequency synthesis (DDS)
08/02/2001DE10000828A1 Verfahren und Vorrichtung zur Erzeugung eines Signals Method and apparatus for generating a signal
07/2001
07/24/2001US6266351 Generator for producing a high-frequency, low-noise signal
07/24/2001CA2195277C Frequency synthesizer
07/17/2001US6262604 Digital synthesizer of signals
07/04/2001CN1302422A Drive circuit for reactive loads
06/2001
06/07/2001WO2001041295A1 Digital ramp generator with output power level controller
06/05/2001US6242965 Phase synchronization
06/05/2001CA2182382C Multi-channel digital transceiver and method
05/2001
05/30/2001EP1104109A1 Regulator for sine wave generator and sine wave generator unit including such a regulator
05/30/2001EP1103125A2 Frequency shifting using convolution and an nco
05/23/2001DE19953884A1 Schaltungsanordnung zur Erzeugung von Signalformen Circuit arrangement for generating waveforms
05/22/2001US6236344 AC and DC bipolar voltage source using quantized pulses
05/17/2001WO2001035524A1 Circuit arrangement for producing signal forms
05/16/2001EP1099998A2 Coprocessor for synthesizing signals based upon quadratic polynomial sinusoids
05/16/2001EP1099298A1 Synthesising a sine wave
05/09/2001CN1294775A Direct digital synthesis of precise, stable angle modulated RF signal
05/02/2001EP1096666A2 Oscillator and oscillation method
04/2001
04/04/2001EP1089426A1 Frequency synthesis device
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