| Patents for H03D 7 - Transference of modulation from one carrier to another, e.g. frequency-changing (7,673) |
|---|
| 07/08/2004 | US20040130403 Oscillator/mixer circuit |
| 07/06/2004 | US6760577 Alignment methods and apparatus for I/Q phase and amplitude error correction and image rejection improvement |
| 07/06/2004 | US6759904 Large gain range, high linearity, low noise MOS VGA |
| 07/06/2004 | US6759887 Mixer circuit |
| 07/01/2004 | WO2004055995A2 System and method for discovering frequency related spurs in a multi-conversion tuner |
| 07/01/2004 | WO2004045091A3 Rf circuit with frequency agile sequential amplifiers |
| 07/01/2004 | WO2003084054A3 Amplifier and frequency converter |
| 07/01/2004 | US20040127172 Phase-error suppressor and a method of suppressing phase-error |
| 07/01/2004 | US20040125240 Integrated tuner circuit |
| 06/30/2004 | CN1155835C Combined GPS positioning system and communication system utilizing shared circuitry |
| 06/24/2004 | WO2004054312A2 Nxm crosspoint switch with band translation |
| 06/24/2004 | WO2004054145A2 Signal distribution system cascadable agc device and method |
| 06/24/2004 | WO2004054128A2 Integrated crosspoint switch with band translation |
| 06/24/2004 | WO2004054092A1 Three-phase mixer-systems |
| 06/24/2004 | WO2004032339A3 Subharmonic mixer |
| 06/24/2004 | US20040121753 Multiple-Input Multiple-Output Radio Transceiver |
| 06/24/2004 | US20040121751 Passive subharmonic mixer design |
| 06/24/2004 | US20040120425 Numerical control oscillator, digital frequency converter and radio frequency unit |
| 06/23/2004 | CN1507697A Even-order non-linearing correction feedback for gilbert style mixers |
| 06/23/2004 | CN1506695A Synthetic GPS positioning system and communication system utilizing shared circuit |
| 06/23/2004 | CN1155158C Method and apparatus for processing a digital signal of analog transmission |
| 06/22/2004 | US6754289 Synthesizer receiver |
| 06/17/2004 | WO2004051550A1 Mosfet parametric amplifier |
| 06/17/2004 | US20040117861 System and method for discovering frequency related spurs in a multi-conversion tuner |
| 06/17/2004 | US20040116093 Frequency converter and radio communication apparatus |
| 06/17/2004 | US20040116066 Signal mixers |
| 06/17/2004 | US20040113679 Amplifier-mixer device |
| 06/16/2004 | EP1429465A2 Apparatus and method for radio signal parallel processing |
| 06/16/2004 | EP1429231A1 Numerical control oscillator, digital frequency converter and radio frequency unit |
| 06/16/2004 | EP1428324A1 Method and apparatus for direct digital to rf conversion using pulse shaping |
| 06/16/2004 | EP1428312A1 Multiband receiver and method associated therewith |
| 06/16/2004 | EP1000463B1 Front end filter circuitry for a dual band gsm/dcs cellular phone |
| 06/16/2004 | CN1505259A Integrated circuit for high frequency device |
| 06/16/2004 | CN1154349C Selective RF circuit with varactor tuned bandpass switched bandpass filters |
| 06/16/2004 | CN1154245C 接收电路 Receiving circuit |
| 06/10/2004 | US20040110482 Apparatus and method for radio signal parallel processing |
| 06/09/2004 | EP1427099A2 Method for reduction of second order non-linearity in a frequency converter, and device |
| 06/09/2004 | EP1425857A2 Digital down converter |
| 06/09/2004 | EP1425847A2 Linearised mixer using frequency retranslation |
| 06/09/2004 | EP1425846A2 Transmitter arrangement especially for mobile radio |
| 06/09/2004 | EP1425845A2 Harmonic mixer |
| 06/09/2004 | CN1503462A Three-phase mixer circuit and high frequency signal receiver using the same |
| 06/08/2004 | US6748204 Mixer noise reduction technique |
| 06/03/2004 | US20040104758 Sub-harmonic mixer |
| 06/03/2004 | DE19954257B4 Mischer für mehrere Bänder in Mehrband-Kommunikationseinrichtungen For several bands in multiband communication facilities mixer |
| 06/02/2004 | EP1424770A1 Balanced sub-harmonic mixer |
| 06/02/2004 | EP1424769A1 Three-phase mixer circuit and high frequency signal receiver using the same |
| 06/02/2004 | EP1155505B1 Multi-band transceiver utilizing direct conversion receiver |
| 06/02/2004 | CN1501590A 接收电路 Receiving circuit |
| 06/02/2004 | CN1152562C TV. tuning component |
| 06/01/2004 | US6745020 Direct downconversion receiver |
| 06/01/2004 | US6745019 Process and system for reducing leakage of local oscillator |
| 06/01/2004 | US6744829 Calibration of a quadrature receiver |
| 05/27/2004 | WO2004045091A2 Rf circuit with frequency agile sequential amplifiers |
| 05/27/2004 | US20040100329 Single-ended differential circuit using complementary devices |
| 05/26/2004 | EP1421676A2 Method and apparatus for conversion of radio frequency (rf) signals using aperiodic mixing signals |
| 05/26/2004 | EP0806088B1 Rf mixer with extended dynamic range |
| 05/26/2004 | CN1500313A Frequency plan |
| 05/26/2004 | CN1499733A High frequency receiver |
| 05/25/2004 | US6741847 Multi-carrier receiver frequency conversion architecture |
| 05/21/2004 | WO2004042945A1 Receiver of double conversion system |
| 05/20/2004 | US20040097206 Circuit configuration for the frequency conversion of an oscillator frequency into a carrier frequency |
| 05/20/2004 | US20040095163 Single-ended differential circuit using complementary devices |
| 05/19/2004 | EP1420256A1 Method and device for determining sideband ratio of superconduction mixer using comb generator |
| 05/19/2004 | EP1046233B1 Radio receiver |
| 05/19/2004 | EP0981864B1 Integrable radio receiver circuit for frequency-modulated digital signals |
| 05/19/2004 | EP0875094A4 Method and apparatus for selecting from multiple mixers |
| 05/19/2004 | DE10250632A1 Circuit and process for mixing a digital and an analog signal passes the digital signal though a D/A converter and then mixes it with the second signal |
| 05/19/2004 | CN1497837A Frequency transformation circuit and tuner using it and set-top box CATV receiving |
| 05/18/2004 | US6738612 Image trap filter |
| 05/13/2004 | WO2003096524A3 Mirror suppression circuit in a quadrature demodulator |
| 05/13/2004 | US20040092245 Balanced sub-harmonic mixed |
| 05/13/2004 | US20040092244 Integral mixer and oscillator device |
| 05/13/2004 | US20040091053 Impedance-matched IQ network for an image rejection circuit |
| 05/12/2004 | EP1418665A1 Frequency converter |
| 05/12/2004 | EP1418440A1 GPS receiver and method for processing GPS signals |
| 05/12/2004 | EP1417750A1 Mixer circuit with image frequency rejection which is intended, in particular, for an rf receiver with zero or low intermediate frequency |
| 05/12/2004 | EP0864216B1 Filtering in a receiver that uses log-polar signal processing |
| 05/06/2004 | US20040087297 Frequency agile RF circuit |
| 05/06/2004 | US20040085101 Process for control of standby currents in a direct conversion type of frequency transposition device, and corresponding device |
| 05/06/2004 | EP1416642A2 High frequency receiver |
| 05/06/2004 | EP1147598B1 Universal modulator |
| 05/05/2004 | CN1148873C Method for controlling communication system, single chip RF communication system and RF communication system |
| 05/04/2004 | US6731917 Method and apparatus for minimizing image power in the output of a receiver circuit |
| 04/29/2004 | WO2004036776A1 Dc trimming circuit for radio frequency (rf) down-conversion |
| 04/29/2004 | WO2004021584A3 Direct downconversion receiver |
| 04/29/2004 | WO2003094339A3 Integrated circuit |
| 04/29/2004 | US20040082307 Mixer circuit |
| 04/29/2004 | DE10296731T5 Frequenzumsetzung von Signalen Frequency conversion of signals |
| 04/29/2004 | DE10245609A1 Mischvorrichtung Mixing device |
| 04/29/2004 | CA2501860A1 Dc trimming circuit for radio frequency (rf) down-conversion |
| 04/28/2004 | CN1148084C Direct MF digitizing treater in GSM base station receiving system |
| 04/27/2004 | US6728517 Multiple-input multiple-output radio transceiver |
| 04/27/2004 | US6728513 Receiving apparatus shared by multiple tuners |
| 04/22/2004 | WO2004034572A1 Active removal of aliasing frequencies in a decimating structure by changing a decimation ration in time and space |
| 04/22/2004 | WO2003009483A8 A multi standard transceiver architecture for wlan |
| 04/22/2004 | US20040077323 Frequency conversion circuit tuner adopting same and set-top box for receiving CATV |
| 04/21/2004 | EP1125359B1 Method and system for down-converting an electromagnetic signal |
| 04/21/2004 | EP1042871A4 Digital radio-frequency transceiver |
| 04/21/2004 | EP0909479B1 Differential pair gain control stage |