| Patents for H03D 7 - Transference of modulation from one carrier to another, e.g. frequency-changing (7,673) |
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| 08/08/2012 | CN102628941A Reconstruction method of broadband ultrasonic echo signal |
| 08/02/2012 | WO2012102385A1 Transmission line resonator, bandpass filter using transmission line resonator, splitter, balanced-to-unbalanced transformer, power distributor, unbalanced-to-balanced transformer, frequency mixer, and balance-type filter |
| 08/02/2012 | US20120196554 High Dynamic Range Time-Varying Integrated Receiver for Elimination of Off-Chip Filters |
| 08/01/2012 | EP2210338B1 Mixer architecture |
| 07/31/2012 | US8233855 Up-conversion based on gated information signal |
| 07/31/2012 | CA2667786C Gps receiver and method for processing gps signals |
| 07/31/2012 | CA2667772C Gps receiver and method for processing gps signals |
| 07/31/2012 | CA2667764C Gps receiver and method for processing gps signals |
| 07/25/2012 | CN202353516U Active mixer input circuit based on electronic tuning unit performance test |
| 07/25/2012 | CN202353515U Active mixer for radio frequency signals |
| 07/25/2012 | CN102611392A Ultralow consumption current multiplexing mixer based on substrate bias |
| 07/25/2012 | CN102611391A Frequency converting device with large linear working scope |
| 07/25/2012 | CN102611390A W-band even-order sub-harmonic mixer |
| 07/25/2012 | CN101977021B Multi-channel digital down-conversion device |
| 07/25/2012 | CN101322320B Radio receiver |
| 07/24/2012 | US8229023 Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments |
| 07/24/2012 | US8227892 Multi-track integrated circuit inductor |
| 07/19/2012 | WO2012094892A2 Return-type current-reuse mixer |
| 07/18/2012 | EP2476208A1 Upconverter |
| 07/18/2012 | EP2235559B1 Monostatic multibeam radar sensor device for motor vehicle |
| 07/18/2012 | CN101621279B Method and device for digital down converter and filtering extraction |
| 07/18/2012 | CN101617468B Mixer with shorting switch |
| 07/18/2012 | CN101507102B Multi-function passive frequency mixer |
| 07/17/2012 | US8224281 Down-conversion of an electromagnetic signal with feedback control |
| 07/11/2012 | EP2474094A1 Driving a mixer with a differential lo signal having at least three signal levels |
| 07/11/2012 | CN102577140A A front-end transceiver |
| 07/11/2012 | CN102570984A Multi-frequency recursive demodulation method for electrical tomographic systems |
| 07/11/2012 | CN102570983A Harmonic attenuation method and circuit |
| 07/11/2012 | CN102570982A Method and device for coupling channels of double-channel signal source |
| 07/11/2012 | CN102570981A Current-injection type frequency mixer in radio frequency identification |
| 07/05/2012 | WO2012090409A1 Time division receiver and time division receiving method |
| 07/05/2012 | WO2012089755A1 Variable-gain mixer for a wireless receiver with current compensation |
| 07/04/2012 | EP2472284A1 Method for open loop tracking GPS signals |
| 07/04/2012 | CN202309620U 一种低载漏单边带上变频器 A low carrier leakage on the single sideband converter |
| 07/04/2012 | CN202309619U 一种超宽带下变频混频器 An ultra wideband downconversion mixer |
| 07/04/2012 | CN202309618U Upper mixer with built-in baseband filtering function |
| 07/04/2012 | CN1981429B Balanced mixer using fits |
| 07/04/2012 | CN102549914A Doubled balanced mixer with improved component matching |
| 07/04/2012 | CN102545787A Gain digital type adjustable frequency mixer in radio frequency identification |
| 07/04/2012 | CN102545786A High-linearity frequency mixer in radio frequency identification |
| 07/04/2012 | CN101951224B Up-conversion mixer of silicon germanium bipolar complementary metal oxide semiconductor |
| 07/04/2012 | CN101841301B Undersampling mixer circuit |
| 07/04/2012 | CN101689832B Discrete filter, sampling mixer and wireless device |
| 07/04/2012 | CN101640545B Programmable radio frequency down-conversion device |
| 07/04/2012 | CN101515807B Digital intermediate-frequency receiver |
| 07/04/2012 | CN101150790B Method and device for eliminating three-rank interactive modulation interference |
| 07/03/2012 | US8213893 Mixer arrangement |
| 06/28/2012 | WO2012088088A2 Method and system for reducing signal phase contamination |
| 06/28/2012 | WO2012087674A2 Device, system and method of wireless communication over a plurality of wireless communication frequency channels |
| 06/27/2012 | EP2469302A1 Method for open loop tracking GPS signals |
| 06/27/2012 | CN102523009A Low-noise mixer and transmitter |
| 06/27/2012 | CN102522956A Expansion method for continuous operation bandwidth of frequency synthesizer and mixing system |
| 06/27/2012 | CN102522955A Mixer |
| 06/27/2012 | CN102522954A Current reuse high linearity folding current mirror mixer |
| 06/27/2012 | CN102522953A Active millimetre wave subharmonic monolithic integrated frequency mixer circuit based on DHBT (Double Heterojunction Bipolar Transistor) process |
| 06/27/2012 | CN102522952A Harmonic suppression mixer and GSM (Global System for Mobile) radio-frequency chip |
| 06/27/2012 | CN102522951A Integrated structure for low-noise amplifier and mixer by means of current multiplexing |
| 06/27/2012 | CN101800514B Differential frequency circuit of plesio-digital signal and differential frequency method thereof |
| 06/27/2012 | CN101421915B Modulator |
| 06/27/2012 | CN101232293B Current mode radio frequency receiver front end |
| 06/26/2012 | US8208863 Radio frequency unit analog level detector and feedback control system |
| 06/21/2012 | WO2012080374A1 Frequency conversion device for wireless systems |
| 06/20/2012 | EP2466744A1 Frequency conversion device for wireless systems |
| 06/20/2012 | EP2465197A1 Mixer circuit, integrated circuit device and radio frequency communication unit |
| 06/20/2012 | CN102510265A Self-adaptive local oscillation leakage reducing method based on variable frequency system and realization device thereof |
| 06/20/2012 | CN102510264A Digital down converter and its realization method |
| 06/20/2012 | CN101707475B High-linearity upper frequency mixer with controllable output voltage and frequency mixing method |
| 06/20/2012 | CN101707474B Frequency synthesizer, frequency selection circuit and frequency selection method thereof |
| 06/20/2012 | CN101569089B Method and arrangement for a linear mixer |
| 06/19/2012 | US8203653 Integrated analog video receiver |
| 06/14/2012 | US20120149317 Communication Signal Transmission Method, Device and System |
| 06/13/2012 | EP2462690A2 Positive coefficient weighted quadrature modulation method and apparatus |
| 06/13/2012 | CN202276318U 一种开关负载谐波抑制混频器 A switch load harmonic rejection mixer |
| 06/13/2012 | CN102498660A Mixer circuit, integrated circuit device and radio frequency communication unit |
| 06/06/2012 | CN202268845U Frequency mixer of wireless sensor network |
| 06/06/2012 | CN202268844U 中波导航机频率合成单元 AM navigation system frequency synthesizer unit |
| 06/05/2012 | US8195117 Integrated switchless programmable attenuator and low noise amplifier |
| 05/31/2012 | WO2012036501A3 Device and method for removing harmonic components |
| 05/31/2012 | US20120133418 Gilbert mixer |
| 05/30/2012 | EP2458729A1 A Gilbert mixer including decoupling means |
| 05/30/2012 | CN102484468A 以具有至少三种信号电平的差分本机振荡器信号驱动混频器 Having at least three signal level difference of the local oscillator signal to drive a mixer |
| 05/30/2012 | CN102484460A Upconverter |
| 05/30/2012 | CN102484451A 无源高频镜像抑制混频器的操作方法 Passive methods of operation of the high-frequency image rejection mixer |
| 05/30/2012 | CN102480269A Gilbert mixer |
| 05/30/2012 | CN101313465B Frequency mixer excited by subharmonic |
| 05/30/2012 | CN101204009B A high dynamic range low-power differential input stage and its usage method, and application in bi-balance frequency mixer |
| 05/29/2012 | US8190116 Methods and systems for down-converting a signal using a complementary transistor structure |
| 05/29/2012 | US8190108 Method and system for frequency up-conversion |
| 05/29/2012 | US8189717 Low IF radio receiver |
| 05/23/2012 | EP2454817A2 Systems and methods for reducing average current consumption in a local oscillator path |
| 05/23/2012 | CN102474289A Systems and methods for reducing average current consumption in a local oscillator path |
| 05/23/2012 | CN102474260A Low power lo distribution using a frequency-multiplying subharmonically injection-locked oscillator |
| 05/23/2012 | CN102474221A 具有可选混频器及跨导单位的混频器-跨导接口 With optional mixer and the mixer transconductance units - transconductance interface |
| 05/23/2012 | CN101872010B Big Dipper/GPS (Global Position System) signal power divider and manufacture method thereof and dual-system radio frequency receiving module |
| 05/18/2012 | WO2012063462A1 Mixing circuit |
| 05/16/2012 | CN102460978A 双信道传输 Dual-channel transmission |
| 05/16/2012 | CN102457231A 单平衡混频器 Single-balanced mixer |
| 05/16/2012 | CN102457230A 混频器带宽扩展方法及装置 Mixer bandwidth extension method and apparatus |
| 05/16/2012 | CN101299615B Method and device for eliminating DC shifting of radio frequency receiver |
| 05/10/2012 | US20120114078 Method, System and Apparatus for Balanced Frequency Up-Conversion of a Baseband Signal |