| Patents for H03D 3 - Demodulation of angle-modulated oscillations (6,449) |
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| 08/19/2004 | WO2004070977A1 Systems and methods for coherent adaptive calibration in a receiver |
| 08/19/2004 | US20040162104 Compensating for analog radio component impairments to relax specifications |
| 08/17/2004 | US6778594 Receiver architecture employing low intermediate frequency and complex filtering |
| 08/12/2004 | WO2003065568A3 Additive dc component detection included in an input burst signal |
| 08/12/2004 | US20040156450 Iq-imbalance |
| 08/10/2004 | US6775345 Delay locked loop based data recovery circuit for data communication |
| 08/05/2004 | US20040152436 Systems and methods for coherent adaptive calibration in a receiver |
| 08/05/2004 | DE10361855A1 Direct conversion RF signal receiver, has mismatch estimation unit to adjust phase mismatch of poly-phase filter, in-phase mixer and quadrature- phase mixer, in response to output signal of mismatch estimation unit |
| 08/04/2004 | CN1518309A Direct conversion reciever for calibrating phase and gain mismatched |
| 08/04/2004 | CN1160869C Improvement of phase receivers |
| 08/03/2004 | US6771945 Dynamic DC balancing of a direct conversion receiver and method |
| 08/03/2004 | US6771721 Method and apparatus for eliminating audio clicks in a radio receiver |
| 07/29/2004 | WO2004064246A1 Regenerative divider for up and down conversion of radio frequency (rf) signals |
| 07/29/2004 | US20040147238 Analog demodulator in a low-if receiver |
| 07/29/2004 | US20040146132 Radio frequency built-in self test for quality monitoring of local oscillator and transmitter |
| 07/28/2004 | CN1516335A Mixer for improving phase mismatch and frequency conversion device |
| 07/28/2004 | CN1159839C Lower frequency converter and demodulator adopting three-port wire connector |
| 07/20/2004 | US6766157 Reducing LO leakage in a direct conversion receiver quadrature stage |
| 07/20/2004 | US6765435 Phase locked loop demodulator and demodulation method using feed-forward tracking error compensation |
| 07/15/2004 | WO2004059846A1 Analogue/digital delay locked loop |
| 07/15/2004 | US20040137869 Direct conversion receiver for calibrating phase and gain mismatch |
| 07/15/2004 | US20040137862 Direct-conversion transmitter circuit and transceiver system |
| 07/15/2004 | US20040136473 Digital receiver |
| 07/14/2004 | EP1436900A1 Analog baseband signal processing system and method |
| 07/14/2004 | CN1513226A Frequency switching under sampling |
| 07/14/2004 | CN1512674A Direct switching receiver |
| 07/08/2004 | WO2004057768A1 Transmission circuit and transmitter/receiver using same |
| 07/08/2004 | WO2004057752A1 Mixer system with amplitude-, common mode- and phase corrections |
| 07/08/2004 | US20040132423 Mixer and frequency conversion apparatus for improving phase-mismatching |
| 07/08/2004 | US20040131136 Timesliced discrete-time phase locked loop |
| 07/08/2004 | US20040130962 Delayed locked loop implementation in a synchronous dynamic random access memory |
| 07/07/2004 | EP1435687A1 Direct conversion receiver |
| 07/07/2004 | EP1284075B1 Gain controller for quadrature transceiver |
| 07/07/2004 | CN2624501Y Hand-operated reception charger |
| 07/07/2004 | CN1510829A Phase-locked ring demodulator with feed forward tracking error compensation and demodulation method thereof |
| 07/01/2004 | US20040127188 Direct conversion receiver |
| 07/01/2004 | US20040127187 Dynamic power sharing zero intermediate frequency (ZIF) mixer and method of forming same |
| 07/01/2004 | US20040125905 Wide frequency range delay locked loop |
| 07/01/2004 | US20040125240 Integrated tuner circuit |
| 07/01/2004 | US20040124884 Low gain phase-locked loop circuit |
| 06/29/2004 | US6757350 Redundant clock generation and distribution |
| 06/29/2004 | US6757340 Radio receiver and method for preloading an average DC-offset into a channel filter |
| 06/24/2004 | US20040120443 System and method for adjusting the phase of a frequency-locked clock |
| 06/24/2004 | US20040119548 Phase locked loop demodulator and demodulation method using feed-forward tracking error compensation |
| 06/16/2004 | EP1428312A1 Multiband receiver and method associated therewith |
| 06/16/2004 | EP0835557B1 Digitally compensated direct conversion receiver |
| 06/16/2004 | CN1154313C Digital receiver |
| 06/16/2004 | CN1154244C Quadrature-free RF receiver for directly receiving angle modulated signal |
| 06/15/2004 | US6751272 Dynamic adjustment to preserve signal-to-noise ratio in a quadrature detector system |
| 06/10/2004 | US20040109521 Phase locked loop frequency synthesizer where frequency gain variation controlled oscillator is compensated |
| 06/10/2004 | US20040109520 Multi-port network interface circuit and related method for triggering transmission signals of multiple ports with clocks of different phases |
| 06/09/2004 | CN1504015A Zero intermediate frequency receiver using information package to obtain channel tracking |
| 06/09/2004 | CN1153362C Method and circuit arrangement for procesisng received signal |
| 06/09/2004 | CN1153359C Frequency modulation receiver especially for radio data processing system |
| 06/08/2004 | US6748203 Three port structure with modulated LO signal |
| 06/08/2004 | US6748200 Automatic gain control system and method for a ZIF architecture |
| 06/08/2004 | US6747524 Modulator and demodulator |
| 06/03/2004 | WO2004047411A1 Compensating for analog radio component impairments to relax specifications |
| 06/03/2004 | CA2506024A1 Compensating for analog radio component impairments to relax specifications |
| 06/02/2004 | EP1423910A2 Receiver |
| 06/02/2004 | EP1155505B1 Multi-band transceiver utilizing direct conversion receiver |
| 06/01/2004 | US6744829 Calibration of a quadrature receiver |
| 05/27/2004 | WO2003001682A3 Quadrature demodulator using compensation of phase and amplitude imbalances |
| 05/27/2004 | US20040101080 Sigma-delta modulator and fractional-N frequency synthesizer comprising same |
| 05/27/2004 | US20040101079 Delay-lock-loop with improved accuracy and range |
| 05/26/2004 | EP1421675A2 Circuit configuration for providing a complex value local oscillator signal and receiver |
| 05/25/2004 | CA2138885C Fm signal demodulator |
| 05/21/2004 | WO2004042925A1 Pll with balanced quadricorrelator |
| 05/20/2004 | US20040096025 Method and system for a programmable diphase digital phase lock loop |
| 05/20/2004 | US20040095993 Method and apparatus for I/Q imbalance estimation |
| 05/20/2004 | US20040095513 Quadratic video demodulation with baseband nyquist filter |
| 05/19/2004 | EP1046233B1 Radio receiver |
| 05/19/2004 | EP0981864B1 Integrable radio receiver circuit for frequency-modulated digital signals |
| 05/18/2004 | US6738435 Matched-filter frequency-shift-keyed receiver using degenerate digital signal processing techniques |
| 05/18/2004 | US6738433 Quadricorrelator for a demodulator for frequency-modulated signals |
| 05/13/2004 | WO2004040749A1 Phase locked loop demodulator with gain control |
| 05/13/2004 | WO2003096524A3 Mirror suppression circuit in a quadrature demodulator |
| 05/13/2004 | US20040092241 Local oscillator using I/Q mismatch compensating circuit through LO path receiver using thereof |
| 05/13/2004 | US20040091062 Radio receiver |
| 05/12/2004 | EP1417749A2 Demodulator and demodulation method for demodulating received signals |
| 05/12/2004 | CN1149734C Frequency-stabilized receiver/transmitter circuit arrangement |
| 05/11/2004 | US6735422 Calibrated DC compensation system for a wireless communication device configured in a zero intermediate frequency architecture |
| 05/11/2004 | US6735263 Digital coherent envelope demodulation of FDMA signals |
| 05/06/2004 | WO2004038939A1 Method of removing dc offset for a zif-based gsm radio receiver with digital frequency offset correction |
| 05/06/2004 | WO2004021589A9 Apparatus and method for dc offset compensation in a direct conversion receiver |
| 05/06/2004 | EP1416691A1 I/Q imbalance correction in a quadrature transceiver |
| 05/06/2004 | CA2502790A1 Method of removing dc offset for a zif-based gsm radio receiver with digital frequency offset correction |
| 05/05/2004 | CN1148968C Digital type modulation signal receiver |
| 05/04/2004 | US6731923 Direct conversion circuit for radio frequency signals |
| 04/29/2004 | US20040082304 Demodulator architecture and associated methods |
| 04/29/2004 | US20040082302 Method of removing DC offset for a ZIF-based GSM radio solution with digital frequency correlation |
| 04/29/2004 | US20040082300 Digital imbalance correction method and device |
| 04/28/2004 | CN1148009C Homodyne radio receiver |
| 04/27/2004 | US6728402 Noise reduction through comparative histograms |
| 04/27/2004 | US6728325 Method and apparatus for mixing down and spectrum folding frequency diverse modulated carrier |
| 04/22/2004 | US20040076243 Channel search device |
| 04/22/2004 | DE4340012B4 Demodulator Demodulator |
| 04/21/2004 | EP1410496A2 Method and device for compensating a phase error in a receiver and/or transmitter system with an i/q-interface |
| 04/21/2004 | EP1125359B1 Method and system for down-converting an electromagnetic signal |
| 04/21/2004 | EP1042871A4 Digital radio-frequency transceiver |