Patents for H03D 7 - Transference of modulation from one carrier to another, e.g. frequency-changing (7,673) |
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03/17/2011 | WO2011029742A1 Device and method for detecting electromagnetic terahertz radiation |
03/17/2011 | US20110067083 Fully Integrated Tuner Architecture |
03/17/2011 | CA2773287A1 Upconverter |
03/16/2011 | EP2294726A1 Radio frequency photonic transceiver |
03/16/2011 | CN201766582U Intermediate-frequency treatment circuit compatible with a plurality of bandwidth signals |
03/16/2011 | CN101478287B Carrier leakage adaptive elimination system in direct frequency conversion modulation |
03/10/2011 | WO2011029038A1 Driving a mixer with a differential lo signal having at least three signal levels |
03/10/2011 | WO2011027423A1 Frequency conversion device |
03/10/2011 | US20110059715 Apparatus and Method for Down-Converting Electromagnetic Signals by Controlled Charging and Discharging of a Capacitor |
03/09/2011 | EP2291910A2 Mems resonator for filtering and mixing |
03/08/2011 | US7903764 Integrated burst FSK receiver |
03/03/2011 | WO2011025456A1 A front-end transceiver |
03/03/2011 | US20110053547 Efficient Reduction of Local Oscillator Leakage |
03/02/2011 | EP1875600B1 Mixer circuit |
03/02/2011 | EP0875094B1 Method and apparatus for selecting from multiple mixers |
03/02/2011 | CN101313464B 采样混合器和接收器 Sampling mixer and the receiver |
03/01/2011 | US7899165 Maintenance information communication terminal, image forming apparatus provided with same, maintenance information management host, and communication method |
02/24/2011 | WO2011020399A1 Radio frequency circuit structure for realizing function of converting dual-frequency global positioning system (gps) satellite signal into baseband signal |
02/23/2011 | EP2288041A2 Direct conversion receiver |
02/23/2011 | EP2179504B1 Calibration-free local oscillator signal generation for a harmonic-rejection mixer |
02/23/2011 | CN101981809A A highly linear embedded filtering passive mixer |
02/22/2011 | US7894789 Down-conversion of an electromagnetic signal with feedback control |
02/16/2011 | EP2285018A2 An improved GPS receiver utilizing satellite position information for compensating Doppler |
02/16/2011 | CN101978719A System and method for utilizing spectral resources in wireless communications |
02/16/2011 | CN101978596A Stepped gain mixer |
02/16/2011 | CN101977021A Multi-channel digital down-conversion device |
02/16/2011 | CN101977020A Digital up/down frequency conversion system and implementation method thereof |
02/15/2011 | US7890077 Balanced mixer with calibration of load impedances |
02/09/2011 | EP2281340A2 Passive mixer and four-phase clocking method and apparatus |
02/09/2011 | EP2281339A2 Passive mixer and four-phase clocking method and apparatus |
02/09/2011 | EP2281338A1 Stepped gain mixer |
02/08/2011 | US7885624 Filter switching system and method |
02/08/2011 | US7885620 High dynamic range time-varying integrated receiver for elimination of off-chip filters |
02/08/2011 | CA2562487C Dual conversion receiver with programmable intermediate frequency and channel selection |
02/02/2011 | EP2279565A1 Reduced power-consumption receivers |
02/02/2011 | CN101964631A Improved double Gilbert structure radio-frequency orthogonal upper frequency mixer |
02/02/2011 | CN101297477B Transconductance device |
02/01/2011 | US7881684 Receiver, frequency deviation measuring unit and positioning and ranging system |
01/26/2011 | EP2277260A1 A highly linear embedded filtering passive mixer |
01/26/2011 | EP0880713B2 Combined gps positioning system and communications system utilizing shared circuitry |
01/26/2011 | CN1901657B Tuner, broadcast signal processing apparatus comprising the same, and broadcast signal processing method |
01/20/2011 | DE102006039704B4 Kompensationsschaltung für eine Mischstufe Compensation circuit a mixing stage |
01/19/2011 | EP2275832A2 Device and method for determining position information of a SPS receiver having a cell based communication receiver |
01/19/2011 | CN101951225A Semiconductor integrated circuit |
01/19/2011 | CN101951224A Up-conversion mixer of silicon germanium bipolar complementary metal oxide semiconductor |
01/18/2011 | USRE42043 Radiofrequency transmitter with a high degree of integration and possibly with self-calibrating image deletion |
01/13/2011 | WO2011004737A1 Orthogonal mixer |
01/13/2011 | WO2011004256A1 Method of operation of a passive high-frequency image reject mixer |
01/13/2011 | US20110006863 Applications of Universal Frequency Translation |
01/12/2011 | EP2122824B1 Mixer with shorting switch |
01/12/2011 | CN101944882A Mixer |
01/12/2011 | CN101944881A Quadrature mixer circuit of switch unit with quarter duty cycle |
01/12/2011 | CN101208921B Radio receiving apparatus |
01/11/2011 | US7868704 Broadband integrated television tuner |
01/06/2011 | WO2011003094A1 Mixer-transconductance interface with selectable mixer and tranconductance units |
01/06/2011 | WO2011003092A1 Mixer-transconductance interface with selectable mixer and transconductance units |
01/06/2011 | WO2011003040A1 Low power lo distribution using a frequency-multiplying subharmonically injection-locked oscillator |
01/06/2011 | WO2011000600A1 Mixer assembly and radar sensor for motor vehicles |
01/05/2011 | DE102009027368A1 Mischerüberwachung Mixer monitoring |
01/05/2011 | CN101938254A Mixer |
01/05/2011 | CN101540855B Video apparatus and operation method of video display apparatus |
01/04/2011 | US7865157 Controllable mixer |
12/30/2010 | DE102010003208A1 Reduzierung von verstärkungsschaltungsinduzierten Phasensprüngen in hochdynamischen Abwärtsumsetzungsmischern Reduction of amplification circuit induced phase shifts in highly dynamic downconversion mixers |
12/29/2010 | WO2010149822A1 Dual channel transmission |
12/29/2010 | EP2267920A2 An improved mobile GPS receiver |
12/29/2010 | EP2267908A1 Reception device and electronic device using the same |
12/29/2010 | EP2266338A1 A system and method for utilizing spectral resources in wireless communications |
12/29/2010 | CN201690414U Transceiving channel device for KA frequency converter |
12/28/2010 | US7860482 Simplified high frequency tuner and tuning method |
12/22/2010 | EP2263320A1 Broadband tuner for very wide signal conversion |
12/22/2010 | EP2263308A1 A combined mixer and balun design |
12/22/2010 | CN101212203B Communication device, in-phase orthogonal frequency mixer and method thereof |
12/21/2010 | US7856223 Mixer-system with gain-blocks and switches |
12/16/2010 | WO2010069956A3 Direct mixer with transistor and sample-and-hold module |
12/16/2010 | DE102005028747B4 Mischeranordnung, Verwendung der Mischeranordnung und Verfahren zur Frequenzumsetzung Mixer assembly, use the mixer assembly and method for frequency conversion |
12/16/2010 | DE10116880B4 Verfahren zum Optimieren des Frequenzaufbereitungszuges eines Hochfrequenz-Überlagerungsempfänger A method for optimizing the frequency processing train of high-frequency heterodyne receiver |
12/15/2010 | CN201674487U Completely-integrated CMOS frequency modulated subcarrier SCA receiver |
12/15/2010 | CN201674464U Under-sampling frequency mixing circuit |
12/15/2010 | CN1672320B Receiver comprising multiple parallel reception means |
12/15/2010 | CN101917203A Full-integrated CMOS frequency modulated subcarrier SCA receiver |
12/14/2010 | US7853239 Simplified high frequency tuner and tuning method |
12/14/2010 | US7853225 Simplified high frequency tuner and tuning method |
12/09/2010 | US20100311352 Radio frequency unit analog level detector and feedback control system |
12/08/2010 | EP2095518B1 Method and apparatus for receiving radio frequency signals |
12/08/2010 | CN1652462B Television tuner and method of processing a received RF signal |
12/08/2010 | CN101911475A Quadrature radio frequency mixer with low noise and low conversion loss |
12/08/2010 | CN101909025A Method, device and system for realizing calibration for local oscillator restraint |
12/08/2010 | CN101908858A Method for processing broadband receiving digital front end |
12/08/2010 | CN101053149B Zero IF down converter with even order harmonic suppression |
12/01/2010 | CN201663582U Up-conversion mixer and double balance type up-conversion mixer |
12/01/2010 | CN1797242B 控制环路滤波器 Control loop filter |
12/01/2010 | CN101902202A Frequency mixer with high linearity and low work voltage |
12/01/2010 | CN101902201A Mixer with high linearity |
11/25/2010 | WO2010133253A1 An improved mixer circuit |
11/25/2010 | US20100296573 Systems and methods for digital upconversion for digital signals |
11/24/2010 | CN201656916U Digital down conversion system |
11/18/2010 | WO2010132870A1 Receiver with balanced i/q transformer |
11/18/2010 | DE102010003660A1 Filtern unter Verwendung eines Impedanzübersetzers Filter using an impedance translator |
11/17/2010 | CN1883121B Method and apparatus for accurately detecting validity of a received signal |
11/17/2010 | CN101889390A Systems, devices, and methods for suppressing frequency spurs in mixers |