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)
11/2005
11/17/2005WO2005109628A1 A tuneable circuit for canceling third order modulation
11/17/2005WO2005109625A2 Integrated analog video receiver
11/17/2005US20050255820 Pole switch down converter with symmetric resonator
11/17/2005US20050255806 2N-order sub-harmonic frequency modulator having high carrier suppression ratio and direct conversion transmitter using the same
11/17/2005US20050254599 Device and method for down-mixing of a radio-frequency signal, which has been received by radio, to baseband
11/17/2005US20050253574 System and method for calibrating electronic circuitry
11/17/2005DE102004019366A1 Schaltungsanordnung für einen breitbandigen Mischer mit Vorverzerrung und hoher Linearität Circuit arrangement for a broadband mixer with predistortion and high linearity
11/17/2005CA2566491A1 A tuneable circuit for canceling third order modulation
11/16/2005EP1596504A1 Pole switch down converter with symmetric resonator
11/16/2005CN1697311A Mixer made from MOS field effect transistor in low voltage and low power consumption
11/16/2005CN1227807C Image frequency interference rejection
11/15/2005US6965759 Frequency synthesizer capable of obtaining signals in three frequency bands
11/15/2005US6964903 Method of fabricating a transistor on a substrate to operate as a fully depleted structure
11/10/2005US20050249307 Integrated burst FSK receiver
11/10/2005DE19521908B4 Überlagerungsempfänger mit Synchrondemodulation für den Zeitzeichenempfang Heterodyne receiver with synchronous demodulation for the time signal reception
11/09/2005EP1594221A1 Single conversion tuner
11/09/2005CN1694371A Method and apparatus for a gain controlled mixer
11/09/2005CN1694364A Device and method for down-mixing of a radio-frequency signal, which has been received by radio, to baseband
11/09/2005CN1694349A Single conversion tuner
11/09/2005CN1226830C A mixer
11/08/2005US6963734 Differential frequency down-conversion using techniques of universal frequency translation technology
11/08/2005US6963624 Method and apparatus for receiving radio frequency signals
11/08/2005US6963110 System and method for ESD protection
11/03/2005WO2005104473A1 Method for temporal inversion of a wave
11/03/2005WO2005104380A2 Image reject filtering in a direct sampling mixer
11/03/2005US20050245225 Wideband I/Q signal generation device
11/03/2005US20050243902 Vhf adapter for cable network
11/03/2005US20050243220 Video receiver with reduced power mode
11/03/2005US20050243219 Integrated analog video receiver
11/03/2005US20050243218 Video receiver with adaptive image rejection
11/03/2005US20050243217 Video receiver with DC offset cancellation
11/03/2005US20050242860 FFT-based multichannel video receiver
11/03/2005CA2562518A1 Method for temporal inversion of a wave
11/02/2005EP1592140A2 Device for the reception of broadcast signals
11/02/2005EP1592135A1 Phase lock loop gain control using unit current sources
11/02/2005EP1590892A2 A tunable upconverter mixer with image rejection
11/02/2005EP1590885A1 Multi-mode modulator and transmitter
11/02/2005EP1590884A1 Three-phase mixer-system
11/02/2005CN1691527A Direct conversion receiver
11/02/2005CN1225843C Calibration of in-phase and quadrature transmit branches of transmitter
11/01/2005US6961544 Structure of a radio-frequency front end
11/01/2005CA2285563C Radio system including fet mixer device and square-wave drive switching circuit and method therefor
10/2005
10/27/2005WO2005101647A2 Harmonic propulsion and harmonic controller
10/27/2005WO2004079924A3 Tuner for radio frequency receivers and associated method
10/27/2005US20050239430 Harmonic suppression mixer and tuner
10/27/2005US20050237100 CMOS-based receiver for communications applications
10/27/2005US20050236673 System and method for ESD protection
10/25/2005US6959180 LTCC fet mixer
10/25/2005US6959178 Tunable upconverter mixer with image rejection
10/25/2005US6959049 Multi-tap, digital-pulse-driven mixer
10/25/2005US6958782 Frequency converter
10/20/2005WO2005099115A1 Pulse shaping signals for ultrawideband communication
10/20/2005US20050233725 Image reject filtering in a direct sampling mixer
10/20/2005US20050233723 RF mixer with high local oscillator linearity using multiple local oscillator phases
10/20/2005US20050232382 Tuning arrangement
10/20/2005US20050231283 Integrated circuit device
10/19/2005EP1586916A1 GPS receiver and method for processing GPS signals
10/19/2005EP1586167A1 System and method for downward mixing an input signal into an output signal
10/19/2005CN2735656Y An isolating frequency mixing device using ceramic dielectric resonator
10/19/2005CN1685623A Subharmonic mixer
10/18/2005US6957057 Switched capacitor mixer circuit to attain high gain and linearity in radio frequency receivers
10/18/2005US6957055 Double balanced FET mixer with high IP3 and IF response down to DC levels
10/13/2005WO2005096623A1 Integrated television receiver with i and q analog to digital converters
10/13/2005US20050227639 Apparatus, system, and method for down converting and up converting electromagnetic signals
10/13/2005US20050226352 Mirror suppression circuit and receiver using such circuit
10/13/2005US20050226349 Down conversion methodology and topology which compensates for spurious response
10/12/2005EP1585227A1 A two-step frequency converter with only one mixer in the signal path
10/12/2005EP1393436B1 Circuit arrangement for translating an oscillator frequency into a carrier frequency
10/12/2005EP1027769B1 Method and device in a telecommunication system
10/12/2005CN1682438A Push-pull amplifier and frequency conversion circuit
10/11/2005US6954089 Frequency converter having low supply voltage
10/06/2005US20050221775 Passive mixer with improved linearity
10/06/2005US20050221772 Harmonic mixer and radio communication device having the same
10/06/2005US20050221760 Pulse shaping signals for ultrawideband communication
10/06/2005US20050219564 Image forming device, pattern formation method and storage medium storing its program
10/05/2005EP1583225A1 Digital frequency-upconverting circuit
10/05/2005CN1677965A Digital modulator employing a polyphase up-converter structure
10/04/2005US6952572 Image rejection mixer with switchable high or low side injection
09/2005
09/29/2005WO2005091493A1 Harmonic suppression mixer and tuner
09/29/2005US20050215223 Current interpolation in multi-phase local oscillator for use with harmonic rejection mixer
09/29/2005US20050215215 Integrated circuit and methods for third sub harmonic up conversion and down conversion of signals
09/29/2005US20050215207 Method and system for frequency up-conversion with a variety of transmitter configurations
09/29/2005US20050213683 Digital modulator employing a polyphase up-converter structure
09/29/2005US20050212975 Television signal transmitter capable of reducing phase noise
09/28/2005EP1579583A2 Excess delay spread detection method for multi-carrier communication systems
09/28/2005EP1579567A1 Minimizing 1/f noise configuration for zif mixer
09/28/2005EP0847619B1 Circuit arrangement comprising a cartesian amplifier
09/28/2005CN1675824A Improved mixers with a plurality of local oscillators and systems based thereon
09/28/2005CN1221136C Low-noise frequency changer and receiving device using the low-noise frequency changer
09/27/2005US6950639 Local oscillator for generating an HF signal for direct mixing by using avalanche photodiodes
09/22/2005US20050208937 Receiving device and integrated circuit for reception
09/22/2005US20050208922 Frequency mixer preventing degradation in linearity on amplitude of input signal
09/21/2005EP1576751A2 Signal distribution system cascadable agc device and method
09/21/2005EP1576723A1 Mixer system with amplitude-, common mode- and phase corrections
09/21/2005EP1417750B1 Mixer circuit with image frequency rejection which is intended, in particular, for an rf receiver with zero or low intermediate frequency
09/21/2005CN2728097Y Middle frequency digital modem
09/21/2005CN1672320A Receiver comprising multiple parallel reception means
09/20/2005US6947720 Low noise mixer circuit with improved gain
09/20/2005US6947499 Angle demodulation apparatus, local oscillation apparatus, angle demodulation method, local oscillation signal generating method, recording medium and computer data signal
09/20/2005US6946895 Mixer device including an amplifier circuit
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