| Patents for H03B 21 - Generation of oscillations by combining unmodulated signals of different frequencies (1,067) |
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| 02/24/2009 | US7495481 Synthesizer |
| 02/19/2009 | US20090045850 Rtwo-based down converter |
| 02/12/2009 | US20090039926 Apparatus for Providing AC Voltage |
| 02/05/2009 | WO2009017654A1 Method and apparatus of generating a radio frequency pulse |
| 02/05/2009 | US20090033376 Locked loop circuit |
| 02/05/2009 | US20090033375 Method and apparatus for identifying and reducing spurious frequency components |
| 02/05/2009 | US20090033374 Clock generator |
| 02/04/2009 | CN100458897C Current driver and display device |
| 01/29/2009 | US20090028217 Ultra-wideband (UWB) frequency synthesizer system and method |
| 01/29/2009 | US20090027088 High resolution time detecting apparatus using interpolation and time detecting method using the same |
| 01/22/2009 | US20090021285 High performance mixed signal circuit |
| 01/15/2009 | US20090017780 Residual carrier and side band processing system and method |
| 01/08/2009 | WO2009006625A1 Wireless architecture for 60ghz |
| 12/31/2008 | CN100448164C Mixer circuit with image frequency rejection which is intended, in particular, for RF receiver with zero or low intermediate frequency |
| 12/16/2008 | CA2460285C Method and apparatus for fractional rf signal synthesis |
| 12/11/2008 | US20080307249 Digital mixing system with double arrangement for fail safe |
| 12/11/2008 | US20080303557 Circuits for forming the inputs of a latch |
| 12/04/2008 | US20080297208 Process for dithering a time to digital converter and circuits for performing said process |
| 12/04/2008 | US20080297207 Double data rate transmitter and clock converter circuit thereof |
| 11/20/2008 | US20080284470 Direct Digital Synthesizer and Nuclear Magnetic Resonance Instrument Using the Same |
| 11/19/2008 | EP1810397A4 Method and apparatus for frequency synthesis |
| 11/12/2008 | CN101304235A High-frequency carrier generator |
| 11/06/2008 | US20080274703 Circuit and method |
| 10/30/2008 | US20080269928 Digital PLL and applications thereof |
| 10/28/2008 | US7443924 Residual carrier and side band processing system and method |
| 10/28/2008 | US7443337 Synthesizing arbitrary waveforms using convolution processors |
| 10/23/2008 | WO2008039422A3 Apparatus, method and computer program product for synthesizing arbitrary waveforms using convolution processors |
| 10/23/2008 | US20080260071 Methods and Apparatus for Frequency Synthesis with Feedback Interpolation |
| 10/23/2008 | US20080258777 Method and Apparatus for Generating Multiple Analog Signals Using a Single Microcontroller Output Pin |
| 10/14/2008 | US7436166 Direct digital synthesizer producing a signal representing an amplitude of a sine wave |
| 10/08/2008 | EP1977503A2 Apparatus, method and system for control of ac/ac conversion |
| 10/07/2008 | US7432750 Methods and apparatus for frequency synthesis with feedback interpolation |
| 10/02/2008 | US20080238495 Frequency synthesizer and wireless communication device utilizing the same |
| 10/02/2008 | US20080238494 Method and apparatus for on-the-fly minimum power state transition |
| 09/25/2008 | US20080231328 Method and Circuit for Local Clock Generation and Smartcard Including it Thereon |
| 09/23/2008 | US7427901 Oscillator array, and synchronization method of the same |
| 09/18/2008 | US20080224784 Method for reducing inter modulation distortion products of a combined carrier wave using phase alignment of the carrier components |
| 09/18/2008 | US20080224735 Frequency Synthesis Rational Division |
| 09/16/2008 | US7425976 Variable frequency generator |
| 09/16/2008 | US7425875 Arbitrary waveform synthesizer |
| 08/21/2008 | WO2008101122A2 Efficient balun |
| 08/21/2008 | US20080197891 Frequency synthesizer using two phase locked loops |
| 08/20/2008 | CN100413211C 谐波混合器 Harmonic mixer |
| 08/14/2008 | US20080191750 Digital delay line based frequency synthesizer |
| 08/14/2008 | US20080191749 Clock divider with a rational division factor |
| 08/06/2008 | EP1952528A2 Mixer circuits and methods with improved spectral purity |
| 07/31/2008 | US20080180180 Frequency synthesizer and method for operating a frequency synthesizer |
| 07/17/2008 | US20080169846 High efficiency NLTL comb generator using time domain waveform synthesis technique |
| 07/03/2008 | US20080157883 Local oscillation generator with mixer having reduced signal power consumption |
| 07/01/2008 | US7395289 Frequency synthesizing and back-end processing circuit and method thereof |
| 07/01/2008 | US7394297 Logic gate with reduced sub-threshold leak current |
| 06/26/2008 | US20080150591 Method and apparatus for synchronizing multiple direct digital synthesizers (DDSs) across multiple printed circuit assemblies (PCAs) |
| 06/25/2008 | CN100397789C Bandpass delta sigma truncator and method of truncating a multi-bit digital signal |
| 06/24/2008 | US7391822 Method and apparatus for estimating a sample delay between a transmission signal and a feedback signal in a mobile communication system, and a base station transmitter using the same |
| 06/12/2008 | US20080136537 Frequency Synthesizer |
| 06/03/2008 | US7382202 Apparatus and method to provide a local oscillator signal from a digital representation |
| 05/29/2008 | US20080125050 Signal processing circuit |
| 05/21/2008 | CN101183852A High-resolution varactors, single-edge triggered digitally controlled oscillators, and all-digital phase-locked loops using the same |
| 05/13/2008 | US7373113 Frequency generation apparatus and method for data transmission |
| 05/08/2008 | DE102004043065B4 Dualoszillatorsignalsynthesizer mit Hochfrequenzversatzstufe Dual oscillator signal synthesizer with high frequency offset stage |
| 05/01/2008 | US20080100387 Multiple frequency generator for quadrature amplitude modulated communications |
| 04/23/2008 | CN101167242A Multiple reference clock synthesizer |
| 04/22/2008 | US7363648 Cable modem tuner |
| 04/10/2008 | US20080084248 Oscillator and frequency detector |
| 04/03/2008 | WO2008039422A2 Apparatus, method and computer program product for synthesizing arbitrary waveforms using convolution processors |
| 04/03/2008 | CA2664537A1 Apparatus, method and computer program product for synthesizing arbitrary waveforms using convolution processors |
| 03/27/2008 | US20080074155 Synthesizing arbitrary waveforms using convolution processors |
| 03/27/2008 | US20080074154 Low-jitter spread-spectrum clock generator |
| 03/20/2008 | US20080068098 Vco Device, and Tuner, Broadcast Receiver and Mobile Telephone Using the Same |
| 03/20/2008 | US20080068048 Fixed Frequency Clock Output Having A Variable High Frequency Input Clock And An Unrelated Fixed Frequency Reference Signal |
| 03/18/2008 | US7345619 Generating event signals in a radar system |
| 03/06/2008 | US20080056337 Local oscillator with non-harmonic ratio between oscillator and RF frequencies using XOR operation |
| 03/06/2008 | US20080055010 Local oscillator with non-harmonic ratio between oscillator and RF frequencies using pulse generation and selection |
| 03/06/2008 | US20080055009 Local oscillator with non-harmonic ratio between oscillator and RF frequencies using digital mixing and weighting functions |
| 03/06/2008 | US20080055008 Local oscillator with non-harmonic ratio between oscillator and RF frequencies using XOR operation with jitter estimation and correction |
| 02/28/2008 | US20080048734 Methods and Apparatus for Minimizing Jitter in a Clock Synthesis Circuit that Uses Feedback Interpolation |
| 02/28/2008 | US20080048733 Decimal frequency synthesizer |
| 02/06/2008 | CN101119159A Carrier detection circuit, method for controlling carrier detection circuit, and infrared signal processing circuit having the carrier detection circuit |
| 02/05/2008 | US7327198 Method and system for a polyphase clock for a second intermediate frequency (IF) mixer to improve signal quality |
| 01/31/2008 | US20080024231 Ultra Wideband And Fast Hopping Frequency Synthesizer For MB-OFDM Wireless Application |
| 01/24/2008 | US20080018373 System and method for open-loop synthesis of output clock signals having a selected phase relative to an input clock signal |
| 01/22/2008 | US7321268 Ultra wideband and fast hopping frequency synthesizer for MB-OFDM wireless application |
| 01/15/2008 | US7319366 Offset local oscillator without using frequency divider |
| 01/10/2008 | US20080007305 Variable delay clock synthesizer |
| 01/03/2008 | US20080001798 Performing a signal analysis based on digital samples in conjunction with analog samples |
| 01/01/2008 | US7315732 Method for frequency conversion and receiver |
| 01/01/2008 | US7315602 Digital spread spectrum frequency synthesizer |
| 12/25/2007 | US7312642 Continuous, wide-range frequency synthesis and phase tracking methods and apparatus |
| 12/18/2007 | US7310023 Frequency synthesizer |
| 12/06/2007 | US20070279108 Dynamic frequency divider |
| 12/05/2007 | EP1863170A1 Dynamic frequency divider by N |
| 12/04/2007 | US7304480 Radio mode selectivity block for a detector for detecting a buried current carrying conductor |
| 11/15/2007 | WO2007130481A2 Voltage synthesis using virtual quadrature sources |
| 11/13/2007 | US7295077 Multi-frequency clock synthesizer |
| 11/08/2007 | US20070257711 Sampling Rate Conversion Calculating Apparatus |
| 10/30/2007 | US7289783 Mixer circuits and methods with matched bias currents |
| 10/30/2007 | US7288972 Circuitry for synthesizing an arbitrary clock signal and methods for the synthesis thereof |
| 10/16/2007 | US7282967 Fixed frequency clock output having a variable high frequency input clock and an unrelated fixed frequency reference signal |
| 10/02/2007 | US7277683 Regenerative divider for up and down conversion of radio frequency (RF) signals |
| 10/02/2007 | US7276983 Frequency synthesizer with on-chip inductor |