| Patents for H03D 7 - Transference of modulation from one carrier to another, e.g. frequency-changing (7,673) |
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| 11/30/2011 | CN1784826B 多级变频方法以及多级变频发射机、接收机和收发机 Multi-level and multi-level frequency conversion method transmitters, receivers and transceivers |
| 11/23/2011 | EP2388909A1 Signal generator with digital intermediate frequency and digital frequency adjustment |
| 11/23/2011 | CN102255604A Frequency conversion transmitter for multipath signals |
| 11/23/2011 | CN101404477B Frequency converting circuit and receiver |
| 11/17/2011 | WO2011141572A1 Subharmonic mixer |
| 11/17/2011 | DE102010028987A1 Subharmonischer Mischer Subharmonic Mixer |
| 11/16/2011 | CN202043074U Configurable digital downconverter |
| 11/16/2011 | CN101777875B Rectangular coordinate system-based adaptive nonlinear compensating device |
| 11/16/2011 | CN101610146B Parallel interpolation bit synchronization system in all-digital demodulation and synchronized method thereof |
| 11/16/2011 | CN101248578B Low-noise mixer |
| 11/15/2011 | US8060048 Mixer arrangement |
| 11/10/2011 | WO2011138697A1 Digital iq imbalance compensation for dual-carrier double conversion receiver |
| 11/09/2011 | EP2291910B1 Mems resonator for filtering and mixing |
| 11/09/2011 | CN1918790B Radio frequency low noise amplifier with automatic gain control |
| 11/02/2011 | CN202026277U Mixer used in radio frequency identification |
| 11/02/2011 | CN102232269A Re-configurable passive mixer for wireless receivers |
| 10/26/2011 | EP1620941B1 Mixer-system with gain-blocks and switches |
| 10/25/2011 | US8045942 System and method for radio signal reconstruction using signal processor |
| 10/25/2011 | US8045066 Fully integrated tuner architecture |
| 10/20/2011 | US20110255578 Method and System for Frequency Down-Conversion and Frequency Up-Conversion |
| 10/19/2011 | CN1928584B Combined GPS positioning system and communications system utilizing shared circuitry |
| 10/19/2011 | CN102223154A 接收器 Receiver |
| 10/13/2011 | WO2011124533A1 Leakage calibration for a mixer circuit |
| 10/12/2011 | CN102217203A RF transceiver ic having internal loopback conductor for ip2 self test |
| 10/11/2011 | US8035162 System and method for ESD protection |
| 10/05/2011 | EP2371058A2 Radio receiver |
| 10/05/2011 | EP2371057A2 Transisitor mixer and sample and hold circuit |
| 10/04/2011 | US8032105 Multistage frequency conversion |
| 09/29/2011 | WO2010058892A3 3-way balun for planar-type double balanced mixer |
| 09/29/2011 | US20110237212 Radio receiving circuit |
| 09/28/2011 | EP2369738A1 Mixerstructure for Doppler radar applications |
| 09/28/2011 | EP2368320A2 Linear and polar dual mode transmitter circuit |
| 09/28/2011 | EP2263308B1 A combined mixer and balun design |
| 09/28/2011 | EP2176948B1 Method and arrangement for production of a frequency-modulated signal |
| 09/28/2011 | CN102204085A Mixer architectures |
| 09/28/2011 | CN102204084A Microwave/millimeter wave communication apparatus |
| 09/28/2011 | CN102201789A LNB (low noise block) down-conversion chip circuit and LNB down-conversion chip as well as LNB down-conversion circuit and method |
| 09/28/2011 | CN101494438B Mixer circuit for reducing flicker noise and method thereof |
| 09/27/2011 | US8027657 Sampling mixer with asynchronous clock and signal domains |
| 09/22/2011 | WO2011114393A1 Complex signal processing circuit, receiver circuit, and signal reproducing apparatus |
| 09/20/2011 | US8023923 Mixer circuit |
| 09/15/2011 | WO2011084527A3 Signal decimation techniques based on a configurable frequency divider and a configurable delay |
| 09/15/2011 | DE102005030345B4 Hochfrequenz-Sende/Empfangseinrichtung High-frequency transmitting / receiving device |
| 09/14/2011 | CN1630279B Frequency offset correction in transmitters and receivers having non-ideal synthesizer channel spacing |
| 09/14/2011 | CN101692600B Harmonic rejection mixer |
| 09/14/2011 | CN101588155B 混频器 Mixer |
| 09/14/2011 | CN101373950B Frequency-mixing apparatus and correlation method |
| 09/14/2011 | CN101162266B Global positioning system receiver and hand-held electronic device |
| 09/13/2011 | US8019336 Slice based architecture for a multifunction radio |
| 09/13/2011 | US8019312 DC offset calibration for a radio transceiver mixer |
| 09/13/2011 | US8019297 Radio receiver, audio system, and method of manufacturing radio receiver |
| 09/13/2011 | US8019291 Method and system for frequency down-conversion and frequency up-conversion |
| 09/07/2011 | EP2363952A1 Methods and systems for generating local oscillator signals |
| 09/07/2011 | EP2363951A2 Mixer circuit and method |
| 09/07/2011 | CN102176656A Broadband up-converter and up-conversion method |
| 09/07/2011 | CN102176655A Self-calibrating direct conversion transmitter with converting/steering device |
| 09/07/2011 | CN101610067B Frequency mixer |
| 09/07/2011 | CN101295963B Up-conversion mixer |
| 09/01/2011 | WO2011106633A1 Methods and apparatus for measuring and/or using transmitter and/or receiver iq imbalance information and/or dc offset information |
| 09/01/2011 | US20110212697 Antenna |
| 08/31/2011 | CN101409533B 跨导器 Transconductor |
| 08/25/2011 | WO2011101305A1 Down-conversion using square wave local oscillator signals |
| 08/25/2011 | WO2011101289A1 Double clipped rf clock generation with spurious tone cancellation |
| 08/24/2011 | EP2360835A1 Down-conversion using square wave local oscillator signals |
| 08/24/2011 | EP2359485A1 Rf transceiver ic having internal loopback conductor for ip2 self test |
| 08/24/2011 | CN201947220U 一种宽带上变频器 Wideband upconverter |
| 08/24/2011 | CN1871766B Controllable mixer |
| 08/24/2011 | CN102165685A Complex signal processing circuit, reception circuit, and signal reproduction device |
| 08/24/2011 | CN102163981A Semiconductor integrated communication circuit and operation method thereof |
| 08/24/2011 | CN102163954A Low-voltage low-noise wideband mixer |
| 08/24/2011 | CN101490948B Digital transceiver |
| 08/24/2011 | CN101454975B Discrete filter, sampling mixer, and radio device |
| 08/23/2011 | US8005450 Simplified high frequency tuner and tuning method |
| 08/23/2011 | CA2422794C Complex valued delta sigma phase locked loop demodulator |
| 08/17/2011 | EP2356739A2 Apparatus and methods for downconverting radio frequency signals |
| 08/17/2011 | CN201937573U 下变频与信号转换集成系统 Downconverting the signal to convert the integrated system |
| 08/17/2011 | CN101527540B Voltage-control oscillator circuits with combined mos and bipolar device and frequency mixer |
| 08/17/2011 | CN101483408B Passive frequency mixer |
| 08/17/2011 | CN101299616B Radio frequency receiver as well as electronic apparatus containing the same |
| 08/16/2011 | US8000228 Pilot signal in an FDMA communication system |
| 08/11/2011 | US20110194648 Wireless Local Area Network (WLAN) Using Universal Frequency Translation Technology Including Multi-Phase Embodiments |
| 08/11/2011 | DE102010006910A1 Method of converting frequency of intermediate frequency signal, involves phase-shifting one of the partial signals of intermediate frequency signal with respect to other partial signal and mixing with local oscillator signal |
| 08/10/2011 | CN1914790B High dynamic range time-varying integrated receiver for elimination of off-chip filters |
| 08/10/2011 | CN102148604A Signal processing circuit and method |
| 08/09/2011 | US7995091 Mixed media telecommunication call manager |
| 08/04/2011 | US20110188607 Simplified high frequency tuner and tuning method |
| 08/03/2011 | EP2351360A2 Programmable if output receiver, and applications thereof |
| 08/03/2011 | EP2351208A2 Mixer architectures |
| 08/03/2011 | CN201918963U 一种返回式电流复用混频器 One that returns type current reuse mixer |
| 08/03/2011 | CN1973431B Integrated analog video receiver |
| 07/28/2011 | US20110183640 Method and System for Down-Converting an Electromagnetic Signal, and Transforms for Same, and Aperture Relationships |
| 07/27/2011 | EP1570578B1 System and method for discovering frequency related spurs in a multi-conversion tuner |
| 07/27/2011 | CN201910768U High-linearity foldable image mixer |
| 07/27/2011 | CN101221234B Frequency converter circuit and satellite position signal receiving device |
| 07/21/2011 | WO2010125506A3 Calibration of passive harmonic-rejection mixer |
| 07/20/2011 | EP2345218A1 Methods and systems for programmable digital up-conversion |
| 07/20/2011 | CN102130654A Integrated circuit chip of dual frequency band reconfigurable frequency mixer |
| 07/19/2011 | CA2690442A1 Distortion cancellation method and circuit |
| 07/14/2011 | WO2011084527A2 Signal decimation techniques |
| 07/13/2011 | EP2342816A1 Re-configurable passive mixer for wireless receivers |