| Patents for H03B 21 - Generation of oscillations by combining unmodulated signals of different frequencies (1,067) |
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| 09/30/2010 | US20100244903 Tuneable filter |
| 09/28/2010 | US7804370 Frequency generator |
| 09/23/2010 | US20100237958 Feed-back and feed-forward systems and methods to reduce oscillator phase-noise |
| 09/09/2010 | US20100225361 Frequency divider, frequency synthesizer and application circuit |
| 09/07/2010 | USRE41630 Master frequency generator |
| 08/26/2010 | US20100213984 Automatic frequency calibration apparatus and method for a phase-locked loop based frequency synthesizer |
| 08/17/2010 | US7777579 Local oscillation generator with mixer having reduced signal power consumption |
| 08/10/2010 | US7772932 Quadrature local oscillator generation for direct conversion radio transceiver |
| 08/10/2010 | US7772893 Digital frequency synthesizer and method thereof |
| 08/05/2010 | US20100194444 Reduction of spurious frequency components in direct digital synthesis |
| 08/04/2010 | CN101167242B Multiple reference clock synthesizer for frequency division of source clock and the method |
| 07/22/2010 | US20100182053 Sine/cosine value generation apparatus |
| 06/24/2010 | US20100156472 Transversal Agile Local Oscillator Synthesizer |
| 06/15/2010 | US7737471 Receiver circuit using nanotube-based switches and transistors |
| 06/10/2010 | US20100141303 Digitally controlled frequency generator |
| 06/03/2010 | WO2010060204A1 Selectable local oscillator |
| 06/03/2010 | US20100134152 Phase interpolator |
| 06/03/2010 | US20100134151 Method for locking a synthesised output signal of a synthesised waveform synthesiser in a phase relationship |
| 06/02/2010 | CN101304235B High-frequency carrier generator |
| 06/01/2010 | US7728634 Flexible waveform generator with extended range capability |
| 05/20/2010 | US20100123482 Phase detector circuitry |
| 05/11/2010 | US7715802 Frequency synthesizer and multi-band radio apparatus using said frequency synthesizer |
| 05/11/2010 | US7714623 Agile high resolution arbitrary waveform generator with jitterless frequency stepping |
| 05/06/2010 | US20100109715 Method For Use in a Digital Frequency Synthesizer |
| 05/06/2010 | US20100109714 Frequency synthesizer having a plurality of independent output tones |
| 04/20/2010 | US7701300 Multi-frequency synthesizing apparatus and method for multi-band RF receiver |
| 04/20/2010 | US7701260 Phase-to-sinusoid conversion |
| 04/08/2010 | DE10351416B4 Verfahren zur Erzeugung von hochfrequenten, sinusförmigen, frequenzmäßig sehr dicht benachbarten Signalen A method for generating high-frequency sinusoidal frequency-very closely spaced signals |
| 04/01/2010 | US20100079174 Frequency synthesizer and method for synthesizing frequency |
| 04/01/2010 | US20100079173 Synthesized Local Oscillator And Method Of Operation Thereof |
| 03/30/2010 | US7688129 System and method for open-loop synthesis of output clock signals having a selected phase relative to an input clock signal |
| 03/25/2010 | US20100073035 Synchronous frequency synthesizer |
| 03/18/2010 | US20100066417 High-frequency counter |
| 03/04/2010 | US20100052736 Signal generating apparatus, test apparatus and circuit device |
| 03/02/2010 | US7671635 Frequency synthesizer, coupled divide-by-N circuit, current-reuse multiply-by-M circuit |
| 02/24/2010 | CN201414111Y Circuit for realizing broadband voltage controlled oscillation |
| 02/16/2010 | US7663411 Semiconductor device with a logic circuit |
| 02/09/2010 | US7659784 Injection-locked frequency divider |
| 02/02/2010 | US7656238 Frequency synthesizing apparatus and method having injection-locked quadrature VCO in RF transceiver |
| 01/28/2010 | US20100019805 Voltage synthesis using virtual quadrature sources |
| 01/26/2010 | US7652542 Signal generator, and transmitter, receiver and transceiver using same |
| 01/21/2010 | US20100013521 Synthesizer for doherty amplifier |
| 01/19/2010 | US7650080 Method and apparatus for waveform generation |
| 01/19/2010 | US7649528 Display device comprising display driver having display driving section formed between transistors providing electric current thereto |
| 12/22/2009 | US7635997 Circuit for and method of changing a frequency in a circuit |
| 12/17/2009 | WO2009126374A3 Agile high resolution arbitrary waveform generator with jitterless frequency stepping |
| 12/08/2009 | US7631209 Turning off clock to flip flops |
| 12/03/2009 | US20090295435 Method and apparatus for reducing spurs in a fractional-n synthesizer |
| 11/26/2009 | US20090289667 Clock Generation Using a Fractional Phase Detector |
| 11/26/2009 | DE102004005503B4 Verfahren zur Frequenzumsetzung und Empfänger Method for frequency conversion and receiver |
| 11/24/2009 | US7624296 Method and apparatus for synchronizing multiple direct digital synthesizers (DDSs) across multiple printed circuit assemblies (PCAs) |
| 11/19/2009 | US20090286490 Oscillator circuit, transceiver, and method for generating oscillatory signal |
| 11/19/2009 | US20090284286 Alias-locked loop frequency synthesizer using a regenerative sampling latch |
| 11/12/2009 | US20090280752 Local oscillator generator architecture using a wide tuning range oscillator |
| 10/29/2009 | US20090270062 Passive Miser and Four-Phase Clocking Method and Apparatus |
| 10/27/2009 | US7609096 Frequency synthesizer and method for constructing the same |
| 10/15/2009 | WO2009126374A2 Agile high resolution arbitrary waveform generator with jitterless frequency stepping |
| 10/06/2009 | US7598815 Multiple frequency generator for quadrature amplitude modulated communications |
| 09/30/2009 | EP1590886B1 Downconversion of radio frequency (RF) signals |
| 09/24/2009 | US20090237036 Frequency synthesizer and loop filter used therein |
| 09/15/2009 | US7589597 Ultra wideband and fast hopping frequency synthesizer for MB-OFDM wireless application |
| 09/10/2009 | US20090224807 Jitter reduction circuit and frequency synthesizer |
| 08/11/2009 | US7573303 Digitally controlled system on-chip (SOC) clock generator |
| 08/04/2009 | US7570125 Crystal oscillator |
| 07/30/2009 | US20090189651 High Speed Arbitrary Waveform Generator |
| 07/23/2009 | US20090184736 Flexible waveform generator with extended range capability |
| 07/22/2009 | CN100517954C Frequency transforming method and receiver |
| 07/14/2009 | US7560960 Frequency synthesizer using two phase locked loops |
| 07/09/2009 | WO2009083949A2 Integrated re-if converter |
| 07/07/2009 | US7557619 Digital frequency synthesis |
| 07/02/2009 | US20090170452 Integrated RF-IF converter |
| 07/02/2009 | US20090167367 Frequency Synthesizer |
| 07/02/2009 | US20090167366 Audio clock regenerator with precise parameter transformer |
| 07/01/2009 | EP2074441A2 Apparatus, method and computer program product for synthesizing arbitrary waveforms using convolution processors |
| 06/25/2009 | US20090160493 System and Method for Generating a Spread-Spectrum Clock Signal |
| 06/18/2009 | US20090153256 Frequency generator |
| 06/16/2009 | US7548098 Output buffer circuit and method with self-adaptive driving capability |
| 06/09/2009 | US7543476 Rupture event sensors |
| 06/03/2009 | CN101447764A Method and device for synthesizing and transmitting waveform signal |
| 06/02/2009 | CA2499476C Automated optimization of asymmetric waveform generator lc tuning electronics |
| 05/28/2009 | US20090137211 Method and apparatus for reconfigurable frequency generation |
| 05/28/2009 | US20090134918 Jitter generator for generating jittered clock signal |
| 05/28/2009 | DE102007056268A1 Leistungsmessung mit einem Signalgenerator Performance measurement with a signal generator |
| 05/27/2009 | CN100492881C Local oscillator circuit and wireless device and communication system comprising same |
| 05/21/2009 | US20090128198 Digital frequency synthesizer |
| 05/21/2009 | US20090128197 Senthesizer module |
| 05/14/2009 | US20090121795 Synthesizer |
| 05/14/2009 | US20090121792 Method of establishing an oscillator clock signal |
| 05/12/2009 | US7532989 System for analysis and design of direct digital frequency synthesizers |
| 05/06/2009 | EP1713182B1 Oscillator array and its synchronization method |
| 04/30/2009 | US20090108892 Frequency synthesizer |
| 04/30/2009 | US20090108883 Digital sine wave generator |
| 04/28/2009 | US7525351 Fixed frequency clock output having a variable high frequency input clock and an unrelated fixed frequency reference signal |
| 04/23/2009 | US20090102565 Injection-locked frequency divider |
| 04/09/2009 | US20090091397 Oscillating apparatus and frequency convert apparatus |
| 04/02/2009 | US20090085611 Method And System For A Programmable Local Oscillator Generator Based On Quadrature Mixing Using A Phase Shifter |
| 03/26/2009 | US20090081984 Method and apparatus for spur reduction in a frequency synthesizer |
| 03/19/2009 | US20090075689 Mixer with high output power accuracy and low local oscillator leakage |
| 03/05/2009 | US20090061811 Multi-frequency synthesizing apparatus and method for multi-band rf receiver |
| 03/03/2009 | US7498852 Phase error correction circuit for a high speed frequency synthesizer |