Patents for H03B 28 - Generation of oscillations by methods not covered by groups , including modification of the waveform to produce sinusoidal oscillations (1,097) |
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03/20/2001 | US6204733 Multiple-phase-interpolation LC voltage-controlled oscillator |
03/15/2001 | WO2001019047A1 Phase interpolation receiver for angle modulated rf signals |
02/27/2001 | CA2201352C Multi-channel transceiver having an adaptive antenna array and method |
02/15/2001 | DE19619916C2 Ratengeneratorschaltung für Halbleiter-Prüfsystem Rate generator circuit for semiconductor test system |
02/06/2001 | US6185594 Versatile signal generator |
01/31/2001 | CN2417632Y Direct digital frequency synthesis device |
01/09/2001 | US6173301 Method of generating signal amplitude responsive to desired function, and converter |
12/28/2000 | WO2000055973A3 Direct digital frequency synthesis enabling spur elimination |
12/26/2000 | US6167102 System and method employing a reduced NCO lookup table |
12/26/2000 | US6167099 Multi-channel digital transceiver and method |
12/26/2000 | US6166568 Method and arrangement for generating orthogonal sinusoidal signals |
12/06/2000 | EP1057252A1 Direct digital synthesis of precise, stable angle modulated rf signal |
11/30/2000 | WO2000072120A1 Digital synthesizer with coherent division |
11/30/2000 | CA2374707A1 Digital synthesizer with coherent division |
11/28/2000 | US6154640 Method and apparatus for communication and signal synthesis |
10/24/2000 | US6137326 Clock signal producing device |
09/21/2000 | WO2000055973A2 Direct digital frequency synthesis enabling spur elimination |
09/20/2000 | EP1037379A2 Direct-digital synthesizers |
09/19/2000 | US6122326 High precision, low phase noise synthesizer with vector modulator |
09/19/2000 | CA2079320C Direct digital synthesizer driven phase lock loop frequency synthesizer with hard limiter |
09/14/2000 | WO2000054401A1 Method for generating a signal with adjustable frequency using a dither signal generator |
08/22/2000 | US6107848 Phase synchronisation |
08/15/2000 | US6104252 Circuit for automatic frequency control using a reciprocal direct digital synthesis |
07/25/2000 | US6094101 Direct digital frequency synthesis enabling spur elimination |
07/19/2000 | EP1020023A1 Multiple-phase-interpolation lc voltage-controlled oscillator |
06/28/2000 | EP1012803A1 Drive circuit for reactive loads |
06/20/2000 | US6078629 Digital synthesizer |
06/14/2000 | CN1053536C Signal generator |
06/08/2000 | WO2000033456A1 Oscillator and telecommunications system with such an oscillator |
06/07/2000 | CN1256023A Frequency synthetic circuit regulated by digit |
05/17/2000 | CN1253332A Direct digital integrator |
05/09/2000 | US6060917 Frequency synthesizer |
05/03/2000 | EP0997809A2 Direct digital synthesizer |
05/03/2000 | CN1252186A AFC-digital tuning through mutual digital synthesis |
05/02/2000 | US6057715 Clock signal generating circuit for generating a clock signal having an arbitrary frequency |
04/29/2000 | CA2281407A1 Direct digital synthesizer |
04/19/2000 | EP0901713B1 Generator for producing a high-frequency, low-noise signal |
04/19/2000 | EP0704117B1 Compensated digital frequency synthesizer |
04/18/2000 | US6052105 Wave generation circuit for reading ROM data and generating wave signals and flat matrix display apparatus using the same circuit |
03/29/2000 | EP0989669A1 Digital frequency generator |
03/29/2000 | EP0988691A1 Frequency synthesis circuit tuned by digital words |
03/29/2000 | EP0870359B1 Digital frequency generator |
03/23/2000 | WO2000008792A3 Frequency shifting using convolution and an nco |
02/23/2000 | EP0934625A4 Numerical voltage controlled oscillator |
02/22/2000 | US6028412 Digital frequency generator |
02/17/2000 | WO2000008792A2 Frequency shifting using convolution and an nco |
02/10/2000 | WO2000007290A1 Multiple-phase-interpolation lc voltage-controlled oscillator |
01/26/2000 | EP0974196A1 Afc-digital tuning through mutual digital synthesis |
01/19/2000 | EP0570444B1 Frequency synthesiser |
01/05/2000 | EP0969349A1 Digital signal synthesiser |
12/29/1999 | WO1999067877A1 Synthesising a sine wave |
12/29/1999 | CA2334975A1 Synthesising a sine wave |
12/08/1999 | EP0963075A2 Clock signal producing device |
12/08/1999 | EP0962056A1 Circuit including a discrete time oscillator |
12/08/1999 | CN1047267C Method and device for generating amplitud-coupled voltage and for controlling multi-phase winding electric machine |
11/02/1999 | US5977805 Frequency synthesis circuit tuned by digital words |
10/28/1999 | WO1999043080A9 Direct digital synthesis of precise, stable angle modulated rf signal |
10/27/1999 | EP0951750A1 Method and circuit configuration for producing sinusoidal/cosinusoidal oscillations |
09/14/1999 | US5952895 Direct digital synthesis of precise, stable angle modulated RF signal |
09/14/1999 | CA2158667C Method and apparatus for communication and signal synthesis |
09/10/1999 | WO1999033182A3 Circuit including a discrete time oscillator |
08/26/1999 | WO1999043080A1 Direct digital synthesis of precise, stable angle modulated rf signal |
08/11/1999 | EP0935339A1 Versatile signal generator |
08/11/1999 | EP0934625A1 Numerical voltage controlled oscillator |
07/29/1999 | WO1999038252A1 Frequency synthesis circuit tuned by digital words |
07/29/1999 | CA2284842A1 Frequency synthesis circuit tuned by digital words |
07/27/1999 | US5929635 Digital oscillator and supply circuit for an eddy current probe |
07/20/1999 | US5926093 Drive circuit for reactive loads |
07/01/1999 | WO1999033182A2 Circuit including a discrete time oscillator |
06/16/1999 | EP0697151B1 Numerically controlled oscillator and digital phase locked loop |
06/15/1999 | US5912927 Multi-channel transmitter having an adaptive antenna array |
05/26/1999 | CN1217606A Phase-accumulated sine-wave producer |
05/06/1999 | EP0912921A1 Method of generating signal amplitude responsive to desired function, and converter |
04/14/1999 | EP0909035A2 Phase synchronisation device and phase quadrature signal generating apparatus |
03/25/1999 | WO1999014848A1 Method and arrangement in a digital oscillator |
03/25/1999 | CA2300138A1 Method and arrangement in a digital oscillator |
03/17/1999 | EP0901713A1 Generator for producing a high-frequency, low-noise signal |
03/17/1999 | CN1211328A Method of generating signal amplitude responsive to desired function, and converter |
03/16/1999 | US5883530 Methods and devices for generating cycled waveforms of nonsingle period |
02/25/1999 | WO1999009536A1 Drive circuit for reactive loads |
02/23/1999 | US5874846 Circuit for generating an output clock signal |
01/12/1999 | US5859883 Subscriber unit for wireless digital subscriber communication system |
01/12/1999 | US5859570 Frequency synthesizer using divided and frequency converted DDS signal as reference for PLL |
01/12/1999 | US5859501 Radio frequency generating systems and methods for forming pulse plasma using gradually pulsed time-modulated radio frequency power |
12/23/1998 | EP0885510A1 Method and apparatus for routing a digitized rf signal to a plurality of paths |
12/01/1998 | US5844388 Drive systems for a brushless motor employing predefined driving profiles stored in a nonvolatile memory |
11/17/1998 | US5838956 Clock generating circuit |
11/04/1998 | EP0875987A1 Frequency synthesiser |
11/03/1998 | US5831481 Phase lock loop circuit having a broad loop band and small step frequency |
10/15/1998 | WO1998045950A1 Afc-digital tuning through mutual digital synthesis |
10/14/1998 | EP0870359A1 Digital frequency generator |
10/13/1998 | US5822376 High-speed multiplier to multiply a digital signal by a periodic signal |
10/13/1998 | US5822229 Circuit arrangement for frequency multiplication |
10/06/1998 | US5818883 Multi-channel digital transceiver and method |
09/29/1998 | US5815504 PDH/SDH signal processor with dual mode clock generator |
09/29/1998 | US5815045 Oscillation apparatus |
09/23/1998 | EP0866560A1 Improved digital clock synthesizer |
09/22/1998 | US5812605 Multi-channel digital transceiver and method |
09/15/1998 | US5808517 PTM signal generator combining outputs of multiple oscillators |
09/01/1998 | US5801654 Apparatus and method for frequency translation in a communication device |