Patents
Patents for H03D 7 - Transference of modulation from one carrier to another, e.g. frequency-changing (7,673)
05/2009
05/07/2009WO2009042780A3 Apparatus and methods for downconverting radio frequency signals
05/07/2009DE102008046779A1 Spannungsgesteuerter Breitbandoszillator A voltage controlled oscillator broadband
05/06/2009EP2054999A2 Signal processor comprising a frequency converter
05/06/2009CN101425808A Slope rate addition method for automatically generating S shaped frequency curve by frequency transformer
05/06/2009CN101425779A Frequency converter and receiver and transmitter using the same
05/06/2009CN100486122C Analog demodulator and method for reducing local oscillation leakage and eliminating high order harmonic
05/06/2009CN100486105C Mixer and calibration method
05/05/2009US7529522 Apparatus and method for communicating an input signal in polar representation
05/05/2009US7528679 Circuit arrangement for shifting the phase of an input signal and circuit arrangement for suppressing the mirror frequency
05/05/2009US7528666 Apparatus and method for phase lock loop gain control using unit current sources
04/2009
04/30/2009WO2009054095A1 Frequency conversion device and orthogonal modulator
04/30/2009US20090111402 Receiving circuit and timepiece
04/29/2009EP2053737A2 Signal processing device and method, and digital broadcast receiving device, and method
04/29/2009EP1829204B1 Carbon nanotube devices and method of fabricating the same
04/29/2009CN101421915A Modulator
04/29/2009CN101421639A Balanced series mixer for high frequency signals
04/29/2009CN101420242A Transmitter, receiver and regulating method thereof
04/29/2009CN100483925C Three-phase mixer-systems
04/29/2009CN100483923C Circuit arrangement for shifting the phase of an input signal and circuit arrangement for suppressing the mirror frequency
04/28/2009US7526264 NxM crosspoint switch with band translation
04/28/2009US7525096 Miniature camera module with lens containing image sensor
04/23/2009WO2009050954A1 Frequency converting apparatus and quadrature modulator
04/22/2009CN101414837A Slope table search method for automatically generating S-shaped frequency curve of frequency changer
04/22/2009CN100481752C Frequency transformer for satellite broadcast receiving and satellite broadcast receiving system
04/22/2009CN100481719C Differential amplifier circuit and mixer circuit having improved linearity
04/21/2009US7522903 Three-phase mixer-system
04/21/2009US7522900 DC offset correction for use in a radio architecture
04/21/2009US7522691 Phase-locked circuit
04/16/2009WO2009046982A2 Anti jamming system
04/16/2009WO2008137226A3 Method and system of local oscillator signal generation
04/15/2009EP2048776A1 Mixing device and high-frequency receiver using the same
04/15/2009EP2048775A1 Anti jamming system
04/15/2009EP2047591A1 Multi-function passive frequency mixer
04/15/2009EP1042871B1 Digital radio-frequency transceiver
04/15/2009CN101409533A 跨导器 Transconductor
04/15/2009CN100479324C Demodulation device and demodulation method
04/14/2009US7519348 Harmonic suppression mixer and tuner
04/14/2009US7519135 Direct radio frequency (RF) sampling with recursive filtering method
04/09/2009WO2009044451A1 Image rejection mixer and wireless communication device
04/08/2009EP2045912A1 Method and system for using a microstrip to switch circuits in CMOS applications
04/08/2009EP2044686A2 Digital transceiver
04/08/2009CN101404477A Frequency converting circuit and receiver
04/08/2009CN100477544C Device and method for frequency conversion
04/08/2009CN100477490C Electrical circuit, apparatus and method for the demodulation of an intensity-modulated signal
04/07/2009US7515895 System and method for on-chip filter tuning
04/07/2009US7514981 Mixer circuit
04/02/2009WO2009042780A2 Apparatus and methods for downconverting radio frequency signals
04/02/2009US20090088123 Frequency converting circuit and receiver
04/01/2009EP2041864A1 Multi-function passive frequency mixer
04/01/2009CN101401298A 频率转换电路 Frequency conversion circuit
04/01/2009CN101399520A Mixer having high linearity and programmable gain and related transconductor
03/2009
03/31/2009US7512963 Intelligent low-noise block down-converter
03/25/2009EP2040386A2 Method and system for a distributed transceiver for high frequency applications
03/25/2009EP2040385A2 Digital FM Radio Transmitter
03/25/2009EP2038997A2 Systems, methods, and apparatus for frequency conversion
03/24/2009US7509111 Integrated circuit having a mixer circuit
03/19/2009WO2009036399A1 Local oscillator buffer and mixer having adjustable size
03/19/2009WO2009036397A1 Mixer with high output power accuracy and low local oscillator leakage
03/19/2009WO2009036222A2 Offset correction for passive mixers
03/19/2009CA2698274A1 Offset correction for passive mixers
03/18/2009EP2037571A2 A mixer for downconversion of RF signals
03/18/2009EP1952532B1 A subharmonically pumped mixer
03/18/2009EP1751853A4 A tuneable circuit for canceling third order modulation
03/17/2009US7505086 Video receiver with DC offset cancellation
03/12/2009WO2009030938A2 Gilbert cell mixer with linear transconductor stage
03/12/2009US20090066847 Broadband integrated tuner
03/11/2009EP2033305A2 Mixer circuit and method to operate this mixer circuit
03/11/2009EP1374427B1 Frequency plan
03/11/2009EP1248378B1 Transmitter and radio communication terminal using the same
03/05/2009WO2009029153A1 Carbon nanotube devices and method of fabricating the same
03/05/2009US20090058536 Apparatus and method for phase lock loop gain control using unit current sources
03/05/2009DE102007040867A1 Schaltungsanordnung zur linearen Signalmischung Circuit arrangement for linear signal mixture
03/04/2009EP2031756A1 Discrete filter, sampling mixer, and radio device
03/04/2009EP2031754A2 Frequency converter for the intermediate frequency amplifier of a radio device
03/04/2009CN100466651C Methods and systems for application instance level workload distribution affinities
03/04/2009CN100466643C Digital implementation of multi-channel demodulators
03/03/2009US7499689 Communication semiconductor integrated circuit device and a wireless communication system
03/03/2009US7499688 Communication semiconductor integrated circuit device and a wireless communication system
02/2009
02/26/2009US20090054021 Receiver
02/26/2009DE112007000945T5 Modulator Modulator
02/25/2009CN101373950A Frequency-mixing apparatus and correlation method
02/24/2009US7496342 Down-converting electromagnetic signals, including controlled discharge of capacitors
02/18/2009EP2025055A2 Calibration strategy for reduced intermodulation distortion
02/18/2009EP1759453B1 Method and circuit arrangement for prevention of interference in an intermediate frequency signal and am receiver comprising such a method or circuit arrangement
02/18/2009EP1019968B1 Method for manufacturing a diode device having a low threshold voltage
02/17/2009US7492831 Method for generating multiplier coefficients for a mixer
02/12/2009WO2009019633A2 Harmonic rejection mixer unit and method for performing a harmonic rejection mixing
02/12/2009WO2009018871A1 Method and arrangement for production of a frequency-modulated signal
02/11/2009CN101364796A DC drift eliminator applied to variable gain amplifier
02/04/2009CN100459440C Excess delay spread detection method for multi-carrier communication systems
02/04/2009CN100459439C Multifrequency medium resonant oscillator
02/04/2009CN100459424C Amplifier and frequency converter
02/04/2009CN100459414C RF mixing device
02/03/2009US7486414 Image forming device, pattern formation method and storage medium storing its program
01/2009
01/28/2009CN101355344A Image rejectied mixer using LC electric bridge
01/28/2009CN100456814C High-frequency receiver and portable device using the same
01/27/2009US7483686 Universal platform module and methods and apparatuses relating thereto enabled by universal frequency translation technology
01/27/2009CA2419640C Image processing device for transmitting color with fidelity and product selling method using the same
01/21/2009CN101351960A Mixing device and high-frequency receiver using the same
01/21/2009CN100454769C Even-order non-linearing correction feedback for gilbert style mixers
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