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)
11/2010
11/16/2010US7834937 Digital IF demodulator
11/10/2010CN101882950A WIMAX radio frequency far end system supporting MIMO
11/10/2010CN101331678B Switching circuit, and a modulator, demodulator or mixer including such a circuit, its operation method
11/10/2010CN101110568B Sub-harmonic mixer and down converter with the same
11/09/2010US7831233 System and method for radio signal reconstruction using signal processor
11/09/2010US7831197 Outside unit for satellite reception and method of reception with said unit
11/04/2010WO2010125506A2 Calibration of passive harmonic-rejection mixer
11/03/2010EP2246975A1 Calibration of passive harmonic-rejection mixer
11/03/2010EP2245734A1 Mixer circuit
11/02/2010US7826817 Applications of universal frequency translation
10/2010
10/27/2010CN1841922B 半导体集成电路 The semiconductor integrated circuit
10/27/2010CN101873102A Up-conversion frequency mixer with high linearity and suitable for low-voltage work
10/27/2010CN101872010A Big Dipper/GPS (Global Position System) signal power divider and manufacture method thereof and dual-system radio frequency receiving module
10/26/2010US7822401 Apparatus and method for down-converting electromagnetic signals by controlled charging and discharging of a capacitor
10/26/2010US7821581 Fully integrated tuner architecture
10/21/2010WO2010119569A1 Frequency conversion device and frequency conversion method
10/21/2010WO2010014989A8 Upconverter and downconverter with switched transconductance and lo masking
10/21/2010US20100265412 Broadband Integrated Tuner
10/21/2010US20100264979 Mixer circuit
10/20/2010EP2242183A2 High dynamic range time-varying integrated receiver for elimination of off-chip filters
10/20/2010CN201611868U 全波混频器 Full-wave mixer
10/20/2010CN101867346A Signal frequency-mixing method based on passive mixer and zero intermediate frequency receiver
10/19/2010US7816953 Frequency dividing circuit and multimode radio device using the same
10/14/2010US20100260289 Method, System, and Apparatus for Balanced Frequency Up-Conversion of a Baseband Signal
10/14/2010DE102010003253A1 Mischer variabler Größe für Sender mit hohem Gewinnbereich Mixer variable size for channels with high gain range
10/13/2010CN1937420B Radio frequency tuner
10/13/2010CN101860323A Device, system and method for correcting direct current offset
10/06/2010EP2235819A2 Quadrature radio frequency mixer with low noise and low conversion loss
10/06/2010EP2235559A1 Monostatic multibeam radar sensor device for motor vehicle
10/05/2010US7809341 Radio wave reception device, radio wave clock, and repeater
09/2010
09/30/2010WO2010108943A1 Frequency synthesizer
09/30/2010US20100245012 Integrated Spiral Inductor
09/30/2010DE10100559B4 Einfachsymmetrischer Mischer Simply Balanced Mixer
09/29/2010EP2232699A1 Systems, devices, and methods for suppressing frequency spurs in mixers
09/29/2010EP1300827B1 Image processing device for transmitting color with fidelity and image data providing method
09/29/2010CN1744428B Adaptive-biased mixer
09/29/2010CN101849353A Gilbert cell mixer with linear transconductor stage
09/29/2010CN101848003A Dual-band transceiver
09/29/2010CN101102092B Spectrum spreading circuit
09/23/2010WO2009153754A9 Mems resonator for filtering and mixing
09/23/2010US20100240330 Digital signal processing device and radio communication apparatus
09/23/2010US20100237884 Integrated switchless programmable attenuator and low noise amplifier
09/22/2010EP2229724A2 Signal processing circuit and method with frequency up- and down-conversion
09/22/2010CN201590803U Push-pull type frequency mixer
09/22/2010CN101842980A Local oscillator buffer and mixer having adjustable size
09/22/2010CN101842976A Mixer architecture
09/22/2010CN101842975A Passive harmonic-rejection mixer
09/22/2010CN101841301A Undersampling mixer circuit
09/15/2010CN1635783B Full-system television tuner and method
09/15/2010CN101834564A Up-conversion mixer with high-linearity and controllable broadband wide-gain
09/15/2010CN101834563A Complementary folding radio-frequency CMOS orthogonal down-conversion mixer
09/14/2010US7796577 Method for designing operation schedules of FFT and MIMO-OFDM modem thereof
09/14/2010US7796197 Electronic component allowing the decoding of digital terrestrial or cable television signals
09/09/2010US20100225820 Integrated analog video receiver
09/09/2010DE19921438B4 Überlagerungsstufe für Hochfrequenzempfänger Superposition stage for high frequency receiver
09/09/2010DE102010002575A1 Rauscharmer Mischer A low noise mixer
09/09/2010DE102009040775A1 Frequency converter for use in mobile communication system during waveform analysis and spectrum analysis of broadband analog signal, has playback part regenerating signal of preset frequency area as digital signal of frequency domain
09/09/2010DE102009011549A1 Schaltung und Verfahren zur Spiegelfrequenzunterdrückung Circuit and method for image rejection
09/08/2010CN101826842A Frequency mixer capable of improving quality of signal
09/02/2010WO2010076651A3 Radio receiver
09/01/2010EP2223428A1 Tuneable filter
09/01/2010CN201571018U Microwave broadband up-converter
09/01/2010CN201571017U Dislocation locking prevention mixing circuit of mixing phase-locked loop
09/01/2010CN101257282B Frequency mixer
08/2010
08/25/2010CN101814901A Variable gain amplifier, mixer and quadrature modulator using the same
08/24/2010US7783275 Integrated direct conversion satellite tuner
08/24/2010US7783271 Method and apparatus for transmitting and receiving signals
08/18/2010EP2218174A1 Jitter compensation
08/18/2010EP1709730B1 High dynamic range time-varying integrated receiver for elimination of off-chip filters
08/18/2010CN101809860A Apparatus and methods for downconverting radio frequency signals
08/18/2010CN101809859A Passive mixer and high Q RF filter using a passive mixer
08/12/2010WO2010089700A1 Polyphase harmonic rejection mixer
08/12/2010WO2010054263A3 Dual conversion transmitter with single local oscillator
08/12/2010DE102010000971A1 Frequenzteiler mit einem Wechselstrom-Koppelelement in einem Rückkoppelzweig Frequency divider with an AC coupling element in a feedback branch
08/11/2010EP2216900A1 Tuner module
08/11/2010EP2215718A1 Local oscillator buffer and mixer having adjustable size
08/11/2010EP1474867B1 Television tuner and printed circuit board used therein
08/11/2010CN1713515B Digital medium-frequency discriminator
08/11/2010CN101803186A Local oscillator buffer and mixer having adjustable size
08/11/2010CN101803180A Mixer with high output power accuracy and low local oscillator leakage
08/11/2010CN101803179A Offset correction for passive mixers
08/11/2010CN101803178A Method of translating cellular carriers
08/11/2010CN101800514A Differential frequency circuit of plesio-digital signal and differential frequency method thereof
08/11/2010CN101800513A Digital demodulation device and related method
08/11/2010CN101800363A Integrated double-mode time-service active antenna and double-mode analog-digital demodulation module
08/10/2010US7773955 Radio frequency unit analog level detector and feedback control system
08/10/2010US7773688 Method, system, and apparatus for balanced frequency up-conversion, including circuitry to directly couple the outputs of multiple transistors
08/05/2010WO2010087201A1 Multiphase mixer
08/05/2010WO2010087199A1 Harmonic rejection mixer
08/04/2010CN201541235U Microwave signal source module
08/04/2010CN1917380B Method for eliminating dc bias for receiver and signal process module
08/04/2010CN101242158B A configurable and reconstructable dynamic frequency mixer
08/03/2010US7768434 Systems and methods for digital upconversion for television signals
07/2010
07/29/2010WO2010084192A1 Method and device for filtering desired filter frequency band from received tv signal
07/28/2010EP2210338A2 Mixer architecture
07/28/2010EP2127068B1 Method and arrangement for a linear mixer
07/28/2010EP1547258B1 Subharmonic mixer
07/28/2010CN201536349U Ka波段毫米波上变频器 Ka-band millimeter-wave upconverter
07/28/2010CN201536348U Ka波段毫米波下变频器 Ka-band millimeter wave downconverter
07/28/2010CN101789800A Testing method for wireless signal receiver and relevant testing device thereof
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