Patents
Patents for H03D 7 - Transference of modulation from one carrier to another, e.g. frequency-changing (7,673)
07/2010
07/27/2010US7764940 System and method for discovering frequency related spurs in a multi-conversion tuner
07/22/2010WO2010062702A3 Mixer architectures
07/22/2010US20100184394 Simplified high frequency tuner and tuning method
07/21/2010EP2208283A2 Anti jamming system
07/21/2010CN101783651A High linearity low noise down-conversion mixer in ultrahigh frequency radio frequency identification (RFID) reader
07/14/2010EP2206235A2 Passive harmonic-rejection mixer
07/14/2010CN101777929A Ultra wide band receiver for realizing down frequency mixing based on nonlinear preprocessing
07/14/2010CN101777875A Rectangular coordinate system-based adaptive nonlinear compensating device
07/14/2010CN101777874A Method for performing active jammer suppression on electronic device, and associated apparatus
07/14/2010CN101212202B Frequency mixer with a filtering module for filtering off low-frequency component and reducing noise index
07/08/2010WO2010078276A1 Discrete time receiver
07/08/2010WO2010076651A2 Radio receiver
07/08/2010WO2009121861A3 Radio frequency modulator
07/08/2010US20100172060 System and Method for ESD Protection
07/07/2010EP1509996B1 Step-up frequency converter
07/07/2010CN101772886A Harmonic rejection mixer unit and method for performing a harmonic rejection mixing
07/07/2010CN101771382A Method and device for realizing frequency fine tuning by utilizing direct digital synthesis technology
07/01/2010WO2010073720A1 Receiver apparatus, image signal attenuating method, and mismatch compensating method
07/01/2010WO2010020617A3 Signal generation with cancelled harmonics
07/01/2010US20100164595 Down-converter mixer
07/01/2010DE19811562B4 In ein Kraftfahrzeug installierbares Radarsystem zum Erfassen eines Zielobjekts In a motor vehicle installable radar system for detecting a target object
06/2010
06/30/2010EP2201678A2 Offset correction for passive mixers
06/30/2010EP2201677A2 Gilbert cell mixer with linear transconductor stage
06/29/2010US7746412 Highly integrated television tuner on a single microcircuit
06/24/2010WO2010069956A2 Direct mixer with transistor and sample-and-hold module
06/24/2010WO2010014989A3 Upconverter and downconverter with switched transconductance and lo masking
06/24/2010US20100159859 Method and system for frequency control in a frequency shifting repeater
06/24/2010US20100159858 Strong Signal Tolerant OFDM Receiver and Receiving Methods
06/23/2010EP2198514A1 Mixer with high output power accuracy and low local oscillator leakage
06/23/2010CN1630352B Tuner and method of processing a received RF signal
06/23/2010CN101753159A RF (radio frequency) receiving front end with diversified gaining modes and capable of automatic tuning
06/17/2010WO2010068504A2 Linear and polar dual mode transmitter circuit
06/17/2010WO2009115989A3 Low-noise mixing unit
06/16/2010CN101155160B Up-conversion mixer
06/15/2010US7738597 Frequency transposition method and device, in particular for the control of the transmission power of a cellular mobile telephone
06/10/2010WO2009130207A3 Passive mixer and four-phase clocking method and apparatus
06/10/2010US20100144301 Low if radio receiver
06/10/2010US20100142655 System and method for radio signal reconstruction using signal processor
06/09/2010CN1910826B Frequency dividing circuit and multimode radio device using same
06/09/2010CN1463478B Power-mixer architecture for transmitters
06/09/2010CN101729024A Circuit and method for mixing signals
06/09/2010CN101188402B A low-voltage frequency mixer
06/09/2010CN101145763B Rf amplifier
06/08/2010US7734272 Local oscillator apparatus and method
06/03/2010WO2010062702A2 Mixer architectures
06/03/2010WO2009130209A3 Passive mixer and four-phase clocking method and apparatus
06/02/2010EP2191566A2 Harmonic rejection mixer unit and method for performing a harmonic rejection mixing
06/02/2010CN101083450B Substrate bias frequency mixer
06/01/2010US7729676 Integrated switchless programmable attenuator and low noise amplifier
05/2010
05/27/2010WO2010058247A1 Frequency multiplier circuit
05/27/2010WO2009153754A3 Mems resonator for filtering and mixing
05/27/2010US20100130146 Down conversion filter and communication receiving apparatus
05/27/2010DE102008050327A1 Receiving mixer for homodyne receiving branch of radar unit, has mixer unit mixing cross talk signal with oscillator signal, where cross talk signal is developed based on cross talk effects, and amplifier producing difference signal
05/26/2010EP2188891A1 Local oscillator buffer and mixer having adjustable size
05/26/2010EP1341303B1 High-frequency amplifier
05/26/2010CN1936616B Receiver of signals from GPS system and method for processing GPS system signals
05/26/2010CN1902829B Outside unit for satellite reception and method of reception with said unit
05/26/2010CN1707940B Device for converting frequencies, method of calibrating said device
05/26/2010CN101091306B Single-ended to differential transducer circuit
05/20/2010WO2010057035A1 Rf transceiver ic having internal loopback conductor for ip2 self test
05/19/2010EP2187517A1 Image rejection mixer and wireless communication device
05/19/2010CN101060307B A digital variable-frequency system and its signal processing method
05/18/2010US7720178 Method of direct RF digitization for multiple GNSS system bands and receiver using the same
05/18/2010US7719083 Integrated spiral inductor
05/14/2010WO2010054263A2 Dual conversion transmitter with single local oscillator
05/13/2010US20100120377 Dual-mode mixer circuit and method
05/12/2010DE112008001680T5 Rotierender Oberwellen-Unterdrückungs-Mischer Rotating harmonic suppression mixer
05/12/2010CN1937418B Frequency change arrangement and radio frequency tuner
05/12/2010CN1784825B Receiver front-end with low power consumption
05/12/2010CN1612490B Frequency circuit, radio frequency receiver and radio receiving-transmitting machine
05/12/2010CN101707475A High-linearity upper frequency mixer with controllable output voltage and frequency mixing method
05/12/2010CN101707474A Frequency synthesizer, frequency selection circuit and frequency selection method thereof
05/12/2010CN101707473A GHz ultra wide band digital down converter method
05/12/2010CN101706879A Uhf reader demodulation circuit
05/12/2010CN101154922B Down frequency conversion mixer
05/11/2010US7715814 Method and system for spurious signal control in receivers
05/06/2010US20100112972 Mixer with Feedback
05/06/2010US20100111150 Wireless Local Area Network (WLAN) Using Universal Frequency Translation Technology Including Multi-Phase Embodiments
05/05/2010EP1374386B1 Gilbert cell multiplier in a quadrature modulator
05/05/2010CN201450506U WIMAX radio-frequency far-end system for MIMO
05/05/2010CN1890873B Mixer arrangement, apparatus comprising the same and signal mixing method
05/04/2010US7711346 System and method for frequency translation using an image reject mixer
05/04/2010US7711336 Single sideband mixer and method of extracting single sideband signal
05/04/2010US7710185 Tuneable circuit for canceling third order modulation
05/04/2010CA2353143C Radio communication apparatus
04/2010
04/29/2010WO2009158272A3 Systems and methods for implementing a harmonic rejection mixer
04/28/2010EP2180593A1 Frequency drift compensation for a frequency synthesizer
04/28/2010EP2179504A2 Calibration-free local oscillator signal generation for a harmonic-rejection mixer
04/28/2010EP2179503A2 Passive mixer and high q rf filter using a passive mixer
04/27/2010US7707617 Dual mode tuner for co-existing digital and analog television signals
04/22/2010WO2009080776A3 Signal processing circuit and method with frequency up- and down-conversion
04/22/2010US20100099366 Multiple-input multiple-output radio transceiver
04/21/2010EP2176948A1 Method and arrangement for production of a frequency-modulated signal
04/21/2010EP1504524B1 Mirror suppression circuit in a quadrature demodulator
04/21/2010CN101697476A Frequency change arrangement and radio frequency tuner
04/15/2010WO2009057051A3 Passive harmonic-rejection mixer
04/15/2010WO2009030938A3 Gilbert cell mixer with linear transconductor stage
04/15/2010US20100093295 Direct conversion tuner
04/14/2010EP2175554A1 Reconfigurable heterodyne mixer and configuration methods
04/14/2010EP2174414A2 Method of translating cellular carriers
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