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