Patents
Sitemap › H03 - Basic electronic circuitry › H03D - Demodulation or transference of modulation from one carrier to another › H03D 7 - Transference of modulation from one carrier to another, e.g. frequency-changing
Patents for H03D 7 - Transference of modulation from one carrier to another, e.g. frequency-changing (7,673)
09/2005
09/15/2005WO2005086366A1 Frequency dividing circuit and multimode radio device using same
09/15/2005US20050202797 Methods and systems for down-converting electromagnetic signals, and applications thereof
09/15/2005US20050201496 Demodulation device and demodulation method
09/15/2005DE10351699B3 Local oscillator signal generator for radio terminal, e.g. mobile phone, uses CMOS switch to generate amplitude-controlled I and Q signals from RC-CR filter
09/14/2005EP1575179A2 Demodulation device and demodulation method
09/14/2005EP1575160A1 Mixer circuit and receiver circuit using the same
09/14/2005EP1574084A2 Nxm crosspoint switch with band translation
09/14/2005EP1573931A2 Integrated crosspoint switch with band translation
09/14/2005EP1573897A1 Three-phase mixer-systems
09/14/2005CN1669230A Direct conversion receiver using vertical bipolar junction transistor available in deep n-well CMOS technology
09/14/2005CN1669216A Vhf adapter for cable network
09/14/2005CN1667972A Mixer circuit and receiver circuit using the same
09/14/2005CN1667969A Mirror-image suppression low noise amplifier
09/14/2005CN1667944A Demodulation device and demodulation method
09/13/2005US6944431 High-frequency signal transmission apparatus and electronic tuner using the same
09/09/2005WO2005083894A1 Method of configuring base station, and base station
09/08/2005US20050197091 System and method for radio signal reconstruction using signal processor
09/08/2005US20050197084 Mixer circuit and receiver circuit using the same
09/08/2005US20050195336 Integrated television receivers with I and Q analog to digital converters
09/07/2005EP1570578A2 System and method for discovering frequency related spurs in a multi-conversion tuner
09/07/2005CN1666482A Mobile radio receiver device
09/07/2005CN1666416A Active continuous-time filter with increased dynamic range in the presence of blocker signals
09/07/2005CN1218498C Multi-band transceiver utilizing direct conversion receiver and direct conversion receiver
09/06/2005US6940127 Equipment for communication system and semiconductor integrated circuit device
09/01/2005WO2005081398A1 Mixer circuit
09/01/2005WO2005067156A3 Microwave frequency converter
09/01/2005US20050192055 Method of configuring base station, and base station
09/01/2005US20050191984 Apparatus and method for feed-forward image rejection in a dual conversion receiver
09/01/2005US20050190863 Receiving device and integrated circuit for reception
09/01/2005US20050190862 Receiving device and integrated circuit for reception
09/01/2005US20050190861 Receiving device and integrated circuit for reception
09/01/2005US20050190846 Frequency transposition method and device, in particular for the control of the transmission power of a cellular mobile telephone
08/2005
08/31/2005EP1569351A2 Apparatus and method for feed-forward image rejection in a dual conversion receiver
08/31/2005CN1661929A Apparatus and method for feed-forward image rejection in a dual conversion receiver
08/30/2005US6937849 Mixing apparatus
08/30/2005US6937670 Digital tuner
08/25/2005WO2005078921A2 Radio frequency low noise amplifier with automatic gain control
08/25/2005US20050186927 Signal processing semiconductor integrated circuit device and wireless communication system
08/25/2005US20050184790 High frequency doubler
08/25/2005DE102004005503A1 Verfahren zur Frequenzumsetzung und Empfänger Method for frequency conversion and receiver
08/24/2005CN2720723Y Numeric controlled high-frequency carrier circuit
08/24/2005CN1659778A Linearity improvement of gilbert mixers
08/23/2005US6934523 Tuner
08/23/2005US6933766 Apparatus and method for improved chopping mixer
08/18/2005WO2005076464A1 System and method for frequency translation with harmonic suppression using mixer stages
08/18/2005US20050180528 Method and apparatus for down conversion of radio frequency (rf) signals
08/17/2005EP1564883A1 Method and apparatus for frequency conversion, in particular for controlling the emitting power of a cellular mobile telephone
08/17/2005CN1656678A Image rejection quadratic filter
08/17/2005CN1656671A Quadrature switching mixer with reduced leakage
08/17/2005CN1656670A Analogue mixer
08/17/2005CN1655445A Frequency mixer
08/17/2005CN1215687C DC offset correction scheme for wireless receivers
08/16/2005US6931241 Dual digital low IF complex receiver
08/16/2005US6931237 Communication device
08/16/2005US6931083 Low noise, low distortion, muxable Gilbert mixer signal processing system and method with AGC functionality
08/11/2005WO2005074122A1 High dynamic range time-varying integrated receiver for elimination of off-chip filters
08/11/2005WO2005064786A3 Mixer with feedback
08/11/2005US20050176398 Mixer circuit
08/11/2005US20050174928 Image signal cancel-type heterodyne reception method and direct conversion orthogonal frequency division multiplexing reception method
08/11/2005US20050174186 Apparatus and method for phase lock loop gain control using unit current sources
08/11/2005US20050174166 Method for tuning a corner frequency of a low pass filter
08/10/2005CN1653701A Method and system for re-modulation using zero if
08/10/2005CN1653690A Method and apparatus for digital frequency conversion
08/10/2005CN1653681A Step-up frequency converter
08/10/2005CN1652462A Television tuner and method of processing a received RF signal
08/10/2005CN1214670C Amplifier with distortion compensation and radio communication base station using the same
08/09/2005US6927629 Differential amplifier having improved balanced and linearity
08/04/2005WO2005060089A3 Mixer arrangement
08/04/2005US20050170807 Method for frequency conversion and receiver
08/04/2005US20050170806 Mixer circuit for direct conversion transceiver with improved IP2
08/04/2005US20050170805 Mobile radio receiver device
08/04/2005US20050168297 Apparatus and method for phase lock loop gain control using unit current sources
08/03/2005EP1560326A1 Mixer circuit for direct conversion transceiver with improved second intermodulation product
08/03/2005EP1559199A2 Rf circuit with frequency agile sequential amplifiers
08/03/2005CN1649255A Signal processor and its signal processing circuit
08/02/2005US6924753 Robust system for transmitting and receiving map data
07/2005
07/28/2005WO2005069495A1 Outside unit for satellite reception and method of reception with said unit
07/28/2005US20050164671 Reducing active mixer flicker noise
07/28/2005US20050164670 Universal platform module and methods and apparatuses relating thereto enabled by universal frequency translation technology
07/28/2005US20050164669 High dynamic range time-varying integrated receiver for elimination of off-chip filters
07/28/2005US20050164662 Frequency conversion in a receiver
07/27/2005CN1647404A Multiple-input multiple-output radio transceiver
07/27/2005CN1647400A Method and apparatus for down conversion of radio frequency RF signals
07/27/2005CN1647364A Down conversion methodology and topology which compensates for spurious response
07/26/2005US6922556 System and method for establishing a bias current using a feedback loop
07/26/2005US6922555 Phase interpolation receiver for angle modulated RF signals
07/26/2005US6922454 Direct conversion radio receiving system using digital signal processing for channel filtering and down conversion to base band
07/26/2005CA2352398C Low phase noise frequency converter
07/21/2005WO2005067156A2 Microwave frequency converter
07/21/2005US20050160475 Universal modulator
07/21/2005US20050159130 Novel DC offset and IP2 correction for down-conversion mixer
07/21/2005US20050159129 Image rejection mixer and multiband generator
07/21/2005US20050156700 Integrated spiral inductor
07/21/2005DE102004054323A1 Frequenzversatzkorrektur in Sendern und Empfängern mit nicht idealem Synthesizer-Kanalabstand Frequency offset correction in transmitters and receivers is not ideal synthesizer channel spacing
07/20/2005EP1336246B1 Direct conversion receiver
07/20/2005EP0972336B1 Radio system including fet mixer device and square-wave drive switching circuit and method therefor
07/20/2005CN1643795A Transceiver using a harmonic rejection mixer
07/20/2005CN1643785A Amplifier and frequency converter
07/20/2005CN1643779A Frequency conversion circuit arrangement and mobile radio comprising said circuit arrangement
07/20/2005CN1643778A Circuit arrangement for shifting the phase of an input signal and circuit arrangement for suppressing the mirror frequency
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