| Patents for H03D 7 - Transference of modulation from one carrier to another, e.g. frequency-changing (7,673) |
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| 04/17/2014 | US20140106685 Switching system with linearizing circuit |
| 04/16/2014 | CN103733513A Current mode blixer with noise cancellation |
| 04/10/2014 | WO2014053301A1 Method and apparatus for quadrature mixer circuits |
| 04/10/2014 | US20140097882 Mixer fabrication technique and system using the same |
| 04/09/2014 | CN103715990A Down-conversion system of multi-channel broadband |
| 04/09/2014 | CN103715989A Optical low-noise block down converter and satellite television system |
| 04/09/2014 | CN102427330B Processing method of heterodyne analog dynamic object signal |
| 04/03/2014 | WO2014052943A1 Wideband double balanced image reject mixer |
| 04/03/2014 | WO2014051184A1 Smart upconverter for broadband satellite communication |
| 04/03/2014 | US20140091849 Wideband double balanced image reject mixer |
| 04/02/2014 | CN203522650U Miniaturized frequency synthesizer |
| 04/02/2014 | CN103703676A Synchronous full-bridge power oscillator |
| 03/27/2014 | US20140087669 Mixer with calibration circuit and calibration method thereof |
| 03/27/2014 | DE102012018899A1 Circuit arrangement for converting high-frequency digital signal in low frequency digital signal, couples high frequency digital signal to other inputs through digital oscillator signal whose frequency is set to different value |
| 03/26/2014 | EP2444820A9 Moving object detection device |
| 03/26/2014 | CN103684613A Photonic microwave frequency mixing method and device |
| 03/26/2014 | CN103684270A Circuit structure for realizing image-frequency rejection of high-low local oscillation frequency mixer |
| 03/26/2014 | CN103684269A Broadband-tunable 1mm subharmonic mixer |
| 03/26/2014 | CN103684268A Low power consumption and high linearity gain controllable active orthogonal frequency mixer |
| 03/26/2014 | CN103684267A Signal mixing circuit and associated converter |
| 03/26/2014 | CN103684266A Signalizer and signal processing circuit |
| 03/26/2014 | CN102324892B High-frequency microwave signal full-gloss down conversion system |
| 03/20/2014 | WO2014042689A1 A circuit configuration using a frequency converter to achieve tunable circuit components such as filters and amplifiers |
| 03/19/2014 | CN103647513A Digital down converter |
| 03/19/2014 | CN103647512A Ultra-wideband signal frequency band synthesis circuit and synthesis method |
| 03/19/2014 | CN103647511A Broadband preselection mixer design method |
| 03/13/2014 | WO2014037027A1 A sub-harmonic mixer |
| 03/13/2014 | US20140070973 Signal mixing circuit and associated converter |
| 03/13/2014 | US20140070866 Mixer and associated signal circuit |
| 03/12/2014 | CN203482163U Magnetic-resistance mixer |
| 03/12/2014 | CN103636125A Discrete-time filter |
| 03/12/2014 | CN103633943A Ultra-wideband frequency mixer |
| 03/06/2014 | WO2014035342A1 Harmonic frequency conversion circuit |
| 03/05/2014 | EP2704315A1 Frequency mixer topology providing high linearity, low noise and high gain |
| 02/27/2014 | WO2014030350A1 Harmonic mixer circuit and method for controlling same |
| 02/27/2014 | US20140057585 Frequency converter |
| 02/27/2014 | US20140055189 Mixer circuit, semiconductor device, receiving circuit, receiving device, and communication device |
| 02/26/2014 | CN103607200A A down converter used for an electronic measuring instrument and a down conversion method |
| 02/26/2014 | CN102055695B DC offset suppression circuit for a complex filter |
| 02/25/2014 | US8660513 Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships |
| 02/25/2014 | CA2625334C Circuit for signal conditioning with a shared oscillator |
| 02/19/2014 | EP2698917A1 Downconverter with switched transconductance and LO masking |
| 02/13/2014 | US20140043086 Mixer |
| 02/13/2014 | DE102007019560B4 Sende- und Empfangsschaltung Transmitting and receiving circuit |
| 02/12/2014 | EP2695293A1 A mixer circuit |
| 02/11/2014 | US8649753 Method and system for using a microstrip to switch circuits in CMOS applications |
| 02/06/2014 | US20140038542 Rotating Harmonic Rejection Mixer |
| 02/05/2014 | CN103560753A Mixer structure for doppler radar applications and doppler radar sensor |
| 01/30/2014 | WO2014018905A1 Improved linearity in passive mixer circuits |
| 01/30/2014 | US20140030997 Frequency Translation Filter Apparatus and Method |
| 01/30/2014 | US20140030992 Mixer circuit |
| 01/30/2014 | US20140028372 Frequency mixing circuit and method for suppressing local oscillation leakage in frequency mixing circuit |
| 01/29/2014 | CN103546099A Harmonic suppression frequency mixer |
| 01/23/2014 | DE112012001836T5 Energieoszillator mit synchronisierter Full-Bridge Power oscillator with synchronized full-bridge |
| 01/22/2014 | EP2688215A1 Low power radio receiver |
| 01/22/2014 | CN203406852U Frequency synthesis and frequency mixing integrated wideband circuit for double-frequency hand-held air radio station |
| 01/22/2014 | CN103532610A Satellite mobile terminal digital down converter based on Beidou |
| 01/22/2014 | CN103532494A Satellite mobile terminal digital up converter based on beidou |
| 01/22/2014 | CN103532493A Low-power-consumption high-gain broadband frequency mixer |
| 01/22/2014 | CN103532492A Broadband amplitude modulation millimeter wave reflection system based on waveguide modulation technology |
| 01/15/2014 | EP2685629A1 Frequency mixing circuit and method for suppressing local oscillator leakage therein |
| 01/15/2014 | CN203399061U Rapid broadband up-converter |
| 01/15/2014 | CN203399060U An intelligent electrolytic water machine acquisition signal processing circuit |
| 01/15/2014 | CN103516312A Digital down-conversion apparatus |
| 01/15/2014 | CN103516311A 均衡器 Equalizer |
| 01/08/2014 | CN103501160A Phase compensation method for frequency conversion time delay calibration system |
| 01/03/2014 | WO2014003613A1 Noise reduction and tilt reduction in passive fet multi-phase mixers |
| 01/02/2014 | DE10245609B4 Mischvorrichtung Mixing device |
| 01/01/2014 | CN103493366A Analog multiplier circuit, variable gain amplifier, detector circuit, and physical quantity sensor |
| 01/01/2014 | CN103490731A Low-noise passive frequency mixer |
| 01/01/2014 | CN103490730A PLL-CS waveband multifunctional frequency down converter with dual-polarized integrated circuit structure |
| 12/27/2013 | WO2013189546A1 Discrete-time filter |
| 12/26/2013 | US20130344834 Variable-gain mixer for a wireless receiver with current compensation |
| 12/26/2013 | US20130342244 Signal processor and signal processing method |
| 12/25/2013 | EP2677665A1 Superheterodyne radio-frequency receiver device of wireless communication system |
| 12/25/2013 | EP2676374A1 Signal processor and signal processing method |
| 12/25/2013 | CN101803186B Local oscillator buffer and mixer having adjustable size |
| 12/19/2013 | WO2013187037A1 Mixer, mixer device, and wireless receiver equipped with same |
| 12/18/2013 | EP2673879A1 Frequency translation filter apparatus and method |
| 12/18/2013 | CN102148604B Signal processing circuit and method thereof |
| 12/12/2013 | WO2013183225A1 Harmonic rejection mixer |
| 12/11/2013 | CN103441771A Linear phase correction method with broadband configurable channel |
| 12/11/2013 | CN103441734A MDFT filter bank multi-carrier-frequency modulating system and optimized design method thereof |
| 12/11/2013 | CN103441733A Mixer circuit |
| 12/10/2013 | US8606194 Receiver |
| 12/10/2013 | CA2667775C Gps receiver and method for processing gps signals |
| 12/04/2013 | CN103427768A Calibration method of relative time delay between multipath output signals |
| 12/04/2013 | CN103427767A Layout design method for double-balance passive frequency mixer |
| 12/04/2013 | CN101809860B Apparatus and methods for downconverting radio frequency signals |
| 12/03/2013 | US8600327 System and method for frequency translation with harmonic suppression using mixer stages |
| 11/28/2013 | WO2013175681A1 Direct conversion receiver |
| 11/26/2013 | US8594609 Drain-pumped sub-harmonic mixer for millimeter wave applications |
| 11/26/2013 | US8594607 Methods and systems for down-converting a signal using a complementary transistor structure |
| 11/20/2013 | CN203301422U Ku wave band down converter |
| 11/20/2013 | CN103401508A Fusion structure of LNA (low noise amplifier) and frequency mixer |
| 11/19/2013 | US8588725 Apparatus, system, and method for down converting and up-converting electromagnetic signals |
| 11/14/2013 | US20130300490 Return-type current-reuse mixer |
| 11/13/2013 | CN103391106A 接收装置和半导体集成电路 Receiving device and a semiconductor integrated circuit |
| 11/13/2013 | CN103391047A 1.2GHz-bandwidth L-waveband down converter and down converter achieving method |
| 11/07/2013 | WO2013136319A3 Programmable digital up-conversion for concurrent multi-band signals |