| Patents for H03D 3 - Demodulation of angle-modulated oscillations (6,449) |
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| 04/23/2003 | EP1303919A2 System and apparatus for a direct conversion receiver and transmitter |
| 04/22/2003 | US6552995 Spectrum diffusion signal analyzer and method of analyzing diffusion signal |
| 04/22/2003 | CA2248062C An apparatus, method and article of manufacture for carrier frequency compensation in an fm radio receiver |
| 04/17/2003 | US20030072393 Quadrature transceiver substantially free of adverse circuitry mismatch effects |
| 04/17/2003 | US20030071683 Signal transmission and receiving methods optimized for integrated circuit implementation |
| 04/16/2003 | CN1411651A Single chip CMOS transmitter/receiver and method of using same |
| 04/15/2003 | US6549766 System and method for on-chip filter tuning |
| 04/10/2003 | US20030068990 Method and system for frequency up-conversion with a variety of transmitter configurations |
| 04/08/2003 | US6546237 Differential FM detector for radio receivers |
| 04/08/2003 | US6545569 Filtering device and method of eliminating a DC component by shifting the transfer function |
| 04/08/2003 | US6545516 Frequency conversion |
| 04/03/2003 | WO2003028231A1 Analog baseband signal processing system and method |
| 04/03/2003 | WO2003028206A1 Multiband receiver and method associated therewith |
| 04/03/2003 | US20030064697 Analog baseband signal processing system and method |
| 04/02/2003 | EP1298791A1 Direct-conversion receiver using quadrature error correction |
| 04/02/2003 | EP1201029B1 Automatic gain control and offset correction |
| 04/02/2003 | EP0778995B1 Receiver with quadrature decimation stage, method of processing digital signals |
| 04/01/2003 | US6542722 Method and system for frequency up-conversion with variety of transmitter configurations |
| 03/27/2003 | WO2003026126A2 Circuit configuration for providing a complex value local oscillator signal and receiver |
| 03/27/2003 | US20030060180 Image reject receiver |
| 03/27/2003 | US20030058976 Direct conversion radio receiving system using digital signal processing for channel filtering and down conversion to base band |
| 03/27/2003 | US20030058965 Method for refining a DC-Offset estimate and removing the DC-Offeset |
| 03/27/2003 | US20030058961 Method and system for recovering information from a magnetic field signal usable for locating an underground object |
| 03/26/2003 | EP1296458A1 Five-port receiver with passive isolation |
| 03/26/2003 | CN1104096C Radio receiving apparatus |
| 03/25/2003 | US6539215 Down converter and demodulator using a three port junction |
| 03/25/2003 | US6539066 Integrable radio receiver circuit for frequency-modulated digital signals |
| 03/25/2003 | CA2192038C Demodulator circuit for a signal with frequency modulated about an intermediate frequency |
| 03/20/2003 | WO2003023950A2 Receiver |
| 03/20/2003 | US20030054786 Apparatus and method for compensating for the offset of a mixer |
| 03/20/2003 | US20030053578 Synchronous receiver |
| 03/20/2003 | US20030053569 Receiver |
| 03/20/2003 | US20030053553 Subscriber unit producing a modulated digital frequency |
| 03/20/2003 | US20030052662 Method and apparatus for measuring the instantaneous frequency of FM signals |
| 03/19/2003 | EP1293055A2 Method and apparatus for reduction of interference in fm in-band on-channel digital audio broadcasting receivers |
| 03/18/2003 | US6535560 Coherent adaptive calibration system and method |
| 03/13/2003 | US20030050034 Radio receiver and radio communication system |
| 03/13/2003 | US20030048131 Circuit arrangement for demodulating signals |
| 03/12/2003 | EP1292017A1 Receiver |
| 03/12/2003 | EP1292016A2 FM Demodulator |
| 03/06/2003 | US20030045263 Integrated direct conversion satellite tuner |
| 03/05/2003 | EP1289148A2 Apparatus and method for compensation of temperature drift of saw filters |
| 03/05/2003 | EP1289123A1 Frequency Converter for GPS Receiver |
| 03/05/2003 | CN1102815C 直接变换接收机 Direct conversion receiver |
| 03/04/2003 | US6529559 Reduced soft output information packet selection |
| 02/27/2003 | WO2003017464A2 Demodulator and demodulation method for demodulating received signals |
| 02/27/2003 | WO2002056489A3 Local oscillator leakage control in direct conversion processes |
| 02/27/2003 | WO2002025804A3 Calibration of a quadrature receiver |
| 02/27/2003 | US20030040292 Local oscillator leakage control in direct conversion processes |
| 02/26/2003 | EP1285493A2 Circuit arrangement for correcting tolerances |
| 02/26/2003 | CN1399423A Phase demodulator, sign and time sequence restoring circuit and method |
| 02/20/2003 | WO2003015259A2 Radio-frequency signal frequency conversion device for a low power rf receiver |
| 02/20/2003 | US20030035470 Method and apparatus to remove effects of I-Q imbalances of quadrature modulators and demodulators in a multi-carrier system |
| 02/20/2003 | US20030035071 Apparatus and method for compensation of temperature drift of SAW filters |
| 02/20/2003 | CA2456540A1 Radio-frequency signal frequency conversion device for a low power rf receiver |
| 02/19/2003 | EP1284075A1 Gain controller for quadrature tranceiver |
| 02/19/2003 | EP1284047A2 Radio receiver |
| 02/13/2003 | WO2003013191A2 Method and device for compensating a phase error in a receiver and/or transmitter system with an i/q-interface |
| 02/13/2003 | WO2003012979A1 Quadrature transceiver substantially free of adverse circuitry mismatch effects |
| 02/13/2003 | WO2003012478A2 System for recovering information from a magnetic field signal usable for locating an underground object and method |
| 02/13/2003 | WO2002095962A3 Quadrature envelope-sampling of intermediate frequency signal in receiver |
| 02/12/2003 | CN1397108A DC-offset correction circuit having DC control loop and DC blocking circuit |
| 02/11/2003 | US6518836 Frequency-variation type demodulator and demodulating method |
| 02/06/2003 | US20030027610 Secondary automatic gain control loops for direct conversion CDMA receivers |
| 02/05/2003 | CN1101091C A zero-IF receiver |
| 02/04/2003 | US6516187 DC offset correction for direct conversion tuner IC |
| 02/04/2003 | US6516186 Image-rejection receiver |
| 02/04/2003 | US6516185 Automatic gain control and offset correction |
| 02/04/2003 | US6516183 Method and apparatus for disturbance compensation of a direct conversion receiver in a full duplex transceiver |
| 01/30/2003 | WO2003009589A1 Precision timing generator apparatus and associated methods |
| 01/30/2003 | WO2002029985A3 A calibrated dc compensation system for a wireless communication device configured in a zero intermediate frequency architecture |
| 01/30/2003 | US20030022646 Integrated switchless programmable attenuator and low noise amplifier |
| 01/29/2003 | EP1212838B1 Hybrid bandpass and baseband delta-sigma modulator |
| 01/28/2003 | CA2163883C Method and apparatus for automatic gain control and dc offset cancellation in quadrature receiver |
| 01/23/2003 | WO2002089311A9 High-frequency receiver |
| 01/23/2003 | WO2002047279A3 Removal of distortions caused by a channel selection filter |
| 01/23/2003 | US20030016424 Broad-band FM demodulator, optical receiving apparatus using broad-band FM demodulator, and optical transmission system |
| 01/23/2003 | US20030016079 Doppler learning phase lock loop for burst demodulator |
| 01/22/2003 | EP0732003B1 Fm demodulator with threshold extension and receiver comprising such an fm demodulator |
| 01/22/2003 | CN1392672A Digital compensation method for direct changeover receiver |
| 01/21/2003 | US6509777 Method and apparatus for reducing DC offset |
| 01/16/2003 | WO2003005593A2 Receiver device comprising an alternating current coupling |
| 01/16/2003 | WO2002045283A3 Integrated direct conversion satellite tuner |
| 01/15/2003 | CN1099166C Method for processing digital and analog input signals |
| 01/14/2003 | US6507733 Three port junction receiver |
| 01/14/2003 | US6507627 Direct conversion receiving apparatus with DC component cut function |
| 01/09/2003 | WO2003003686A1 Iq-imbalance |
| 01/08/2003 | CN1390393A Apparatus for interference compensation of a direct conversion transceiver and method |
| 01/07/2003 | US6504498 Method and apparatus for offset cancellation in a wireless receiver |
| 01/07/2003 | US6504420 Temperature compensation for internal inductor resistance |
| 01/03/2003 | WO2003001682A2 Quadrature demodulator using compensation of phase and amplitude imbalances |
| 01/02/2003 | US20030002522 CDMA digital receiver and automatic gain control method thereof |
| 01/02/2003 | US20030001782 Modulator and demodulator |
| 01/01/2003 | CN1389022A 直接变换接收装置 Direct conversion receiver |
| 01/01/2003 | CN1097922C Direct exchangable receiver and shift frequency key controlled demodulator |
| 01/01/2003 | CN1097885C Direct conversion receiver capable of clearing DC offset voltage |
| 12/31/2002 | CA2098372C Receiver adaptively operable for multiple signal transmission systems |
| 12/26/2002 | US20020197975 Method for calibrating a DC offset cancellation level for direct conversion receivers |
| 12/26/2002 | US20020196878 Anti-demodulator circuit, filtering device and demodulator circuit |
| 12/24/2002 | US6498929 Receiver having DC offset decreasing function and communication system using the same |