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