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)
12/2004
12/01/2004	CN1178402C Demodulating method capable of maintaining specular purity
12/01/2004	CN1178401C Receiver with sigma-delta analog-digital converter
11/2004
11/30/2004	US6826393 Mixer circuit having component for frequency conversion
11/30/2004	US6826237 Radio transmitter
11/30/2004	US6825722 Mixer and differential amplifier having bandpass frequency selectivity
11/25/2004	WO2004068778A3 A tunable upconverter mixer with image rejection
11/24/2004	EP1479171A1 Method and apparatus for down conversion of radio frequency (rf) signals
11/24/2004	EP1479160A2 Frequency down converter using a multitone local oscillator
11/23/2004	US6822519 Synthesizer structures and alignment methods that facilitate quadrature demodulation
11/18/2004	WO2004100355A1 Multistage frequency conversion
11/18/2004	WO2004100354A1 Receiver front-end with low power consumption
11/18/2004	WO2004099812A2 Real-time wireless exchange of objects
11/18/2004	US20040229589 Reduced local oscillator feedthrough quadrature image reject mixer
11/18/2004	US20040229584 Telecommunications receiver and a transmitter
11/18/2004	US20040228421 Transmitting arrangement for mobile radio
11/18/2004	US20040227559 Low-noise, high-linearity analog multiplier
11/17/2004	EP1478097A1 Direct conversion receiver comprising DC offset reducing system and transmitter
11/17/2004	CN1547800A Multiband receiver and method associated therewith
11/16/2004	US6819914 Differential mixer injection with optional step gain control
11/16/2004	US6819913 Low-noise frequency converter with strong rejection of image frequency
11/16/2004	US6819103 Lorentz force driven mechanical filter/mixer designs for RF applications
11/11/2004	WO2004098043A2 Mixer-system with gain-blocks and switches
11/11/2004	WO2004054145A3 Signal distribution system cascadable agc device and method
11/11/2004	US20040224658 UP converter mixer linearization improvement
11/11/2004	US20040223086 Digital IF demodulator
11/10/2004	EP1474867A1 Television tuner and printed circuit board used therein
11/10/2004	CN1545764A 数字下变频器 Digital Down Converter
11/09/2004	US6815993 π/2 phase shifter
11/04/2004	WO2004095235A2 Multi-mode wireless bridge system and method using a single-radio transceiver
11/04/2004	US20040219894 Real-time wireless exchange of objects
11/04/2004	US20040218700 Digital implementation of multi-channel demodulators
11/04/2004	US20040218035 Mixed-media telecommunication call set-up
11/04/2004	DE10357244A1 System und Verfahren zum Kalibrieren von symmetrischen Signalen System and method for calibrating of balanced signals
11/03/2004	EP1472785A2 Amplifier and frequency converter
11/03/2004	EP1472784A1 Transmission mode mixing device comprising rejection of intermediate, low lateral and local oscillator frequencies
11/03/2004	EP1212830B1 Method for regulating a frequency offset in a base-station receiver of a data communications system
11/03/2004	CN1543079A Low noise block down converter with reduced power consumption
11/02/2004	US6813485 Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
11/02/2004	US6813320 Wireless telecommunications multi-carrier receiver architecture
11/02/2004	US6812780 Filter circuit and detection circuit having filter circuit
11/02/2004	US6812770 Mixer with exponentially variable gain
11/02/2004	US6812763 Automatic wideband quadrature frequency generator
10/2004
10/28/2004	WO2000040039A3 Active radio frequency mixer circuit with feedback
10/28/2004	US20040214548 Mixer circuit with image frequency rejection, in particular for an RFreceiver with zero or low intermediate frequency
10/28/2004	US20040214547 Circuit and method for receiving and mixing radio frequencies in a direct conversion receiver
10/28/2004	US20040214537 Signal distribution system cascadable AGC device and method
10/28/2004	US20040214533 High gain, highly linear mixer
10/28/2004	US20040212417 Large gain range, high linearity, low noise MOS VGA
10/27/2004	EP1083669B1 Radio terminal device
10/27/2004	CN1541442A Mixer circuit with image frequency rejection which is intended, in particular, for RF receiver with zero or low intermediate frequency
10/27/2004	CN1173410C Field effect transistors, control method for controlling such field effect transistor and frequency mixer means including such field effect transistor
10/26/2004	US6810242 Subharmonic mixer
10/26/2004	US6809607 Circuit and method for compensating for non-linear distortion
10/21/2004	US20040209589 Mixer arrangement and method for mixing signals
10/21/2004	US20040209588 Mixer circuit with bypass and mixing modes having constant even order generation and method of operation
10/21/2004	US20040209584 Integrated crosspoint switch with band translation
10/20/2004	EP1469608A1 High frequency signal receiving apparatus
10/20/2004	EP1469591A1 Up convertor mixer linearisation improvement
10/20/2004	EP1469590A1 Up convertor mixer linearisation
10/20/2004	EP1468494A1 Transceiver using a harmonic rejection mixer
10/20/2004	CN1539196A Quadrature generator with image reject mixer
10/20/2004	CN1538624A Low converter possessing high symmetricity and linearity
10/20/2004	CN1538616A Low-converter mixer with low noise high linear
10/19/2004	US6807407 Dual double balanced mixer
10/14/2004	WO2004088835A1 Passive mixer
10/14/2004	US20040204034 Tuner
10/13/2004	EP1467480A2 Television tuner
10/13/2004	EP1329028A4 Subharmonic mixer circuit and method
10/13/2004	EP1206831B1 Modem for wireless local area network
10/13/2004	CN1171449C Demodulator for high-definition TV receiver
10/13/2004	CN1171379C Up/down conversion apparatus and method
10/12/2004	US6804499 Power-mixer architecture for a transmitter
10/12/2004	US6803829 Integrated VCO having an improved tuning range over process and temperature variations
10/07/2004	US20040196051 System and method for calibrating balanced signals
10/06/2004	EP1465334A1 Passive Mixer
10/06/2004	EP1464111A1 Multiple analog and digital downconversion
10/06/2004	EP0935851B1 A digital communication device and a mixer
10/06/2004	CN1170453C Oscillator
10/05/2004	US6801585 Multi-phase mixer
09/2004
09/30/2004	WO2003015259A3 Radio-frequency signal frequency conversion device for a low power rf receiver
09/30/2004	US20040192244 Threshold voltage (Vth), power supply (VDD), and temperature compensation bias circuit for CMOS passive mixer
09/30/2004	US20040192190 Low noise block down converter with reduced power consumption
09/30/2004	US20040190647 Direct-conversion receiver system and method with quadrature balancing and DC offset removal
09/30/2004	DE19758762B4 Local multipoint distribution service (LMDS) transceiver
09/30/2004	DE19748913B4 Sende-Empfangs-Vorrichtung für ein drahtloses Informationszugriffsystem Transmission-reception apparatus for a wireless information access system
09/29/2004	CN1169389C Device for direct MF digitalizing in receiver of CDMA base station
09/28/2004	US6799029 Mixer of communication system
09/28/2004	US6798848 Architecture for multi-carrier receiver
09/28/2004	US6798386 System with multiple source antennas integrated with a low-noise frequency converter
09/28/2004	US6798351 Automated meter reader applications of universal frequency translation
09/28/2004	US6798273 Linear power conversion circuit
09/28/2004	US6798268 Single-ended differential circuit using complementary devices
09/23/2004	WO2004082131A1 Electrical circuit, apparatus and method for the demodulation of an intensity-modulated signal
09/23/2004	US20040185812 Direct conversion circuit having reduced bit errors
09/23/2004	US20040185802 Method and device for determining sideband ratio of superconduction mixer using comb generator
09/23/2004	US20040183589 Method for tuning a corner frequency of a low pass filter
09/22/2004	EP1460770A2 Direct conversion circuit having reduced bit errors
09/22/2004	EP1460714A1 Down converter for satellite broadcast reception
09/22/2004	EP1459453A1 Generating local oscillator signals for direct downconversion
09/22/2004	EP1252706B1 Oscillator/mixer circuit

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