| Patents for H03D 7 - Transference of modulation from one carrier to another, e.g. frequency-changing (7,673) |
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| 01/20/2009 | US7480496 High-frequency receiver and portable device using the same |
| 01/20/2009 | US7480348 I/Q demodulation circuit |
| 01/20/2009 | US7480343 Transceiver architecture with reduced VCO-pulling sensitivity |
| 01/15/2009 | WO2008131003A3 System and method for selecting an intermediate frequency |
| 01/15/2009 | DE102008012984A1 Mischerschaltung und Radar-Transceiver Mixer circuit and radar transceiver |
| 01/14/2009 | EP2013638A1 Balanced series mixer for high frequency signals |
| 01/14/2009 | CN101346887A A wideband communications receiver and a method for receiving data frames from a wireless device in a wireless local area network |
| 01/14/2009 | CN100452642C Passive mixer |
| 01/14/2009 | CN100451667C Photoelectric heterodyne detection circuit |
| 01/13/2009 | US7477888 Low noise and low voltage mixer and intermediate frequency module application thereof |
| 01/13/2009 | US7477706 Switched capacitor network for tuning and downconversion |
| 01/13/2009 | US7477326 HDTV chip with a single IF strip for handling analog and digital reception |
| 01/08/2009 | WO2009006625A1 Wireless architecture for 60ghz |
| 01/08/2009 | WO2009005681A2 Method of translating cellular carriers |
| 01/08/2009 | WO2009004934A1 Modulation circuit |
| 01/08/2009 | WO2009004818A1 Discrete filter, sampling mixer and wireless device |
| 01/07/2009 | CN100449937C Signal processing method and signal processing apparatus |
| 01/06/2009 | US7474885 Passive subharmonic mixer |
| 12/31/2008 | CN101335533A Radio communication apparatus |
| 12/31/2008 | CN101335531A Reception apparatus |
| 12/31/2008 | CN100448164C Mixer circuit with image frequency rejection which is intended, in particular, for RF receiver with zero or low intermediate frequency |
| 12/31/2008 | CN100448163C Digital frequency converter |
| 12/25/2008 | US20080318620 Multi-mode modulator |
| 12/25/2008 | US20080318538 Simplified High Frequency Tuner and Tuning Method |
| 12/25/2008 | US20080318536 Simplified High Frequency Tuner and Tuning Method |
| 12/25/2008 | US20080315953 Variable Gain Mixer |
| 12/24/2008 | WO2008154827A1 Frequency mixer |
| 12/24/2008 | EP2007030A1 Spurious-free flexible frequency converter and a satellite communication repeater architecture |
| 12/24/2008 | CN101331679A Mixer circuit and method |
| 12/24/2008 | CN101331678A Switching circuit, and a modulator, demodulator or mixer including such a circuit |
| 12/24/2008 | CN100446411C Low noise frequency demultiplier |
| 12/23/2008 | US7468761 Frequency converter for a television signal |
| 12/18/2008 | WO2008152322A2 Method and electronic device for frequency shifting an analogue signal, in particular for mobile telephony |
| 12/18/2008 | DE20023992U1 Frequenzumsetzer unter Verwendung eines aperiodischen Überlagerungsoszillatorsignals Frequency converter using a local oscillator signal aperiodic |
| 12/18/2008 | DE20023991U1 Gerät zur Frequenzaufwärtswandlung von Funkfrequenzsignalen An apparatus for frequency up-conversion of radio frequency signals |
| 12/17/2008 | CN101326711A 增强型混合器装置 Enhanced mixer device |
| 12/17/2008 | CN101326710A Common-gate common-source transconductance stage for RF downconversion mixer |
| 12/17/2008 | CN101325400A Mixer with carrier leakage calibration |
| 12/17/2008 | CN101325399A Communication equipment with I/Q mismatching compensation and wave-mixing circuit |
| 12/16/2008 | US7466973 Single conversion tuner |
| 12/16/2008 | US7466777 Active removal of aliasing frequencies in a decimating structure by changing a decimation ratio in time and space |
| 12/16/2008 | US7466775 Method and apparatus for accurately detecting validity of a received signal |
| 12/11/2008 | WO2008149258A2 Digital signal processing circuit and method comprising band selection |
| 12/11/2008 | US20080305759 Mixer Circuit |
| 12/10/2008 | EP2001126A1 Bidirectional frequency mixer, radiofrequency emitter/receiver system comprising at least one such mixer |
| 12/10/2008 | CN101322320A Radio receiver |
| 12/04/2008 | US20080297664 Integrated analog video receiver |
| 12/04/2008 | DE102007021730A1 High frequency sending and receiving unit for radar system, has entrance for oscillator signal, distribution assembly to distribute oscillator signal on multiple signal trails |
| 12/03/2008 | EP1997231A2 Transceiver development in vhf/uhf/gsm/gps/bluetooth/cordless telephones |
| 12/03/2008 | CN201160272Y Frequency mixer |
| 12/02/2008 | US7460844 High dynamic range time-varying integrated receiver for elimination of off-chip filters |
| 12/02/2008 | US7459947 Radio frequency doubler |
| 11/26/2008 | CN101313465A Frequency mixer excited by subharmonic |
| 11/26/2008 | CN101313464A Sampling mixer and receiver |
| 11/26/2008 | CN100438596C Tuner |
| 11/26/2008 | CN100438328C Down conversion methodology and topology which compensates for spurious response |
| 11/26/2008 | CN100438327C Mixer made from MOS field effect transistor in low voltage and low power consumption |
| 11/26/2008 | CN100438326C Signal processor and its signal processing circuit |
| 11/25/2008 | US7457606 Mixer circuit for direct conversion transceiver with improved IP2 |
| 11/20/2008 | WO2008139390A1 Dual-mode mixer circuit and method |
| 11/20/2008 | WO2007135633A3 Calibration strategy for reduced intermodulation distortion |
| 11/20/2008 | US20080287072 Detecting a signal in the presence of noise |
| 11/20/2008 | US20080284919 Fully integrated tuner architecture |
| 11/20/2008 | DE102008016423A1 Schaltung und Verfahren CIRCUIT AND METHOD |
| 11/19/2008 | EP0855039B1 Gps receiver and method for processing gps signals |
| 11/19/2008 | CN101309075A Transconductor and mixer with high linearity |
| 11/18/2008 | US7454185 Wideband I/Q signal generation device |
| 11/18/2008 | US7453527 Highly integrated television tuner on a single microcircuit |
| 11/18/2008 | US7453526 Integrated analog video receiver |
| 11/13/2008 | WO2008136103A1 Even harmonic mixer |
| 11/13/2008 | WO2008095719A3 Mixer with shorting switch |
| 11/12/2008 | CN100433544C Programmable if frequency filter for enabling a compromise between DC offset rejection and phase frequency interference rejection |
| 11/12/2008 | CN100433543C High carrier inhibited up-conversion mixing system |
| 11/11/2008 | US7450913 Circuit arrangement for a wideband mixer with predistortion and high linearity |
| 11/11/2008 | US7450659 Digital modulator employing a polyphase up-converter structure |
| 11/11/2008 | US7449963 Apparatus and method for phase lock gain control using unit current sources |
| 11/06/2008 | US20080274703 Circuit and method |
| 11/06/2008 | US20080272441 Method and circuit for down-converting a signal |
| 11/05/2008 | EP1537675A4 Method and system for re-modulation using zero if |
| 11/05/2008 | EP1421676B1 Method and apparatus for conversion of radio frequency (rf) signals using aperiodic mixing signals |
| 11/05/2008 | CN101299616A Radio frequency receiver as well as electronic apparatus containing the same |
| 11/05/2008 | CN101299615A Method and device for eliminating DC shifting of radio frequency receiver |
| 11/05/2008 | CN101299593A Three frequency multiplier based on BJT tube |
| 11/05/2008 | CN100431261C Improved mixers with a plurality of local oscillators and systems based thereon |
| 11/05/2008 | CN100431260C Multiband receiver and method associated therewith |
| 11/04/2008 | US7447493 Tuner suitable for integration and method for tuning a radio frequency signal |
| 10/30/2008 | WO2008131003A2 System and method for selecting an intermediate frequency |
| 10/30/2008 | WO2008129791A1 Sampling mixer, filter device, and radio device |
| 10/30/2008 | WO2008129713A1 Semiconductor chip and high frequency circuit |
| 10/30/2008 | WO2008129629A1 Mixer |
| 10/30/2008 | WO2008128706A1 A method and apparatus to linearize transconductors by predistortion |
| 10/29/2008 | CN101297477A Transconductance device |
| 10/29/2008 | CN101297474A Downconversion mixer with IM2 cancellation |
| 10/29/2008 | CN101295963A Up-conversion mixer |
| 10/28/2008 | US7443248 Apparatus and method for phase lock loop gain control using unit current sources |
| 10/23/2008 | WO2008018034A3 Dual gilbert cell mixer with offset cancellation |
| 10/23/2008 | US20080261552 Low voltage iq dual mixer |
| 10/23/2008 | US20080260044 Fft-based multichannel video receiver |
| 10/22/2008 | CN101291136A Frequency converter circuit and receiver |
| 10/22/2008 | CN101291135A Same phase/ orthogonal phase double mixer and signal frequency-raising and frequency reduction method |