| Patents for H03C 3 - Angle modulation (3,926) |
|---|
| 05/21/2002 | US6392499 Frequency shift modulation circuit |
| 05/21/2002 | US6392493 Fractional-N frequency synthesizer |
| 05/16/2002 | US20020057733 Frequency translator using a cordic phase rotator |
| 05/14/2002 | US6389010 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 05/10/2002 | WO2002037666A2 Iq modulator |
| 05/08/2002 | EP1204201A2 Apparatus and method for producing an RF transmision signal |
| 05/08/2002 | CN1348654A Correction of amplitude and phase imbalance in PSK receivers |
| 05/01/2002 | CN1347588A Direct digital frequency synthesizer enabling spur elimination |
| 04/30/2002 | US6380814 Voltage-controlled oscillator having a variable capacitive element with an electrode coupled to a resonator |
| 04/23/2002 | US6377646 Spread spectrum at phase lock loop (PLL) feedback path |
| 04/23/2002 | US6377620 Balancing amplitude and phase |
| 04/18/2002 | WO2002031963A2 Modulator using a phase-locked loop |
| 04/18/2002 | US20020044025 Low noise frequency modulator having variable carrier frequency |
| 04/18/2002 | US20020043992 Sigma-delta-based frequency synthesis |
| 04/17/2002 | EP0944960B1 Digital continuous phase modulation for a dds-driven phase locked loop |
| 04/17/2002 | CN1345482A Method and apparatus for reducing oscillator noise by noise-feedforward |
| 04/16/2002 | US6373345 Modulator structure for a transmitter and a mobile station |
| 04/10/2002 | CN1082750C Automatic tuning of radio transceiver |
| 04/09/2002 | US6369666 Modulator circuit configuration |
| 04/09/2002 | US6369633 Quadrature signal generation system |
| 04/03/2002 | EP1192723A1 Programmable digital intermediate frequency transceiver |
| 04/02/2002 | US6366620 VSAT system |
| 03/21/2002 | US20020034262 Removal of clock related artifacts from an offset QAM generated VSB signal |
| 03/20/2002 | EP1188230A1 Transceiver with dc-offset cancellation in the transmitter |
| 03/19/2002 | US6359525 Modulation technique for transmitting multiple high data rate signals through a band limited channel |
| 03/13/2002 | CN1339872A Fm signal oscillation circuit and modulation level correcting method |
| 03/12/2002 | US6356597 High precision, low phase noise synthesizer with vector modulator |
| 03/12/2002 | US6356594 Data converter |
| 03/07/2002 | US20020027479 FM signal oscillator circuit and modulation level control method |
| 03/06/2002 | CN1080518C Sine-wave modulator and play-back/recording modulator-demod-ulator for high-fidelity video play-back-recording system |
| 03/05/2002 | US6353370 Method and apparatus for modulation of a voltage controlled oscillator |
| 03/05/2002 | CA2273671C Local oscillator leak cancellation circuit |
| 02/28/2002 | US20020024398 Correction of nonlinearity of I/Q modulator |
| 02/27/2002 | EP1181768A1 Linearisation and modulation device |
| 02/27/2002 | CN1080025C Digital calibration of a transceiver |
| 02/26/2002 | US6351677 Method and device in a telecommunication system |
| 02/21/2002 | WO2002015383A1 Frequency adjustable oscillator and methods of operation |
| 02/21/2002 | US20020021685 Radio communication apparatus |
| 02/14/2002 | WO2002013370A2 Frequency translator using a cordic phase rotator |
| 02/14/2002 | WO2002013369A1 Frequency modulator using a waveform generator |
| 02/14/2002 | US20020018534 Multiplier arrangement, signal modulator and transmitter |
| 02/14/2002 | US20020018531 Correction of DC-offset of I/Q modulator |
| 02/14/2002 | US20020017933 Phase-locked loop circuit and frequency modulation method using the same |
| 02/14/2002 | CA2419063A1 Frequency translator using a cordic phase rotator |
| 02/12/2002 | US6347221 Orthogonal modulator having a modulation mixer |
| 02/06/2002 | EP1178601A1 Frequency modulation using a digital filter for baseband waveshaping |
| 02/06/2002 | CN1334664A Radio communication apparatus |
| 02/05/2002 | US6345173 Frequency modulator |
| 01/31/2002 | WO2002009381A2 Data transmission using pulse width modulation |
| 01/31/2002 | WO2002009270A2 System and apparatus for a direct conversion receiver and transmitter |
| 01/31/2002 | WO2001071931A3 Digital tuner with optimized clock frequency and integrated parallel cic filter and local oscillator |
| 01/31/2002 | US20020011904 Low cost digital FM modulator |
| 01/31/2002 | CA2416829A1 System and apparatus for a direct conversion receiver and transmitter |
| 01/30/2002 | EP1176709A2 Radio communication apparatus |
| 01/24/2002 | WO2002007401A2 Phase modulator using a frequency synthesizer |
| 01/23/2002 | EP1175002A2 FM signal oscillator circuit and modulation level control method |
| 01/23/2002 | CN1332923A Power 1-Q modulation systems and methods |
| 01/09/2002 | CN1330457A Radio communication device |
| 01/03/2002 | US20020000890 Radio communications apparatus |
| 01/02/2002 | EP1168648A2 Radio communications apparatus |
| 01/02/2002 | EP1168598A2 High precision, low phase noise synthesizer with vector modulator |
| 01/02/2002 | EP1166519A1 Correction of nonlinearity of i/q modulator |
| 01/02/2002 | EP1166515A1 Correction of dc-offset of i/q modulator |
| 01/02/2002 | EP1166447A1 Method and apparatus for reducing oscillator noise by noise-feedforward |
| 01/02/2002 | CN1329394A Transmitter and method for producing transmission signal |
| 12/27/2001 | WO2001099270A2 Gilbert cell multiplier in a quadrature modulator |
| 12/27/2001 | US20010055347 Transmitter device having a modulation closed loop |
| 12/13/2001 | WO2001095477A2 Quadrature modulation with reduced phase-error distortion |
| 12/12/2001 | EP1162767A2 Ultra-wide band communication system and method |
| 12/06/2001 | WO2001093415A1 Digital modulation synthesizer |
| 12/05/2001 | EP1160968A1 Method and apparatus for transmitting a signal |
| 11/22/2001 | WO2001089169A1 Gain controller for quadrature tranceiver |
| 11/21/2001 | EP1156635A1 Multiplier arrangement, signal modulator and transmitter |
| 11/21/2001 | CN1075291C Method and apparatus for automatic modulation calibration in a radio transmitter |
| 11/13/2001 | US6317009 Frequency shift key modulating oscillator |
| 11/08/2001 | US20010038671 Transmitter and method of generating a transmission signal |
| 11/07/2001 | EP1151530A1 A transceiver |
| 11/07/2001 | CN1074608C Wideband vector modulator |
| 11/07/2001 | CN1074607C Modulator and used frequency multiplicator thereof |
| 11/01/2001 | US20010036239 Phase locked loop circuit and method of frequency modulation in phase locked loop circuit |
| 10/31/2001 | CN1320301A Fractional-N frequency synthesiser |
| 10/25/2001 | WO2001079880A1 Method for detecting and correcting non-linearities in a microwave radar system |
| 10/25/2001 | US20010034215 Transmitter and method of generating a transmission signal |
| 10/24/2001 | EP0763278B1 Quadrature signal conversion device |
| 10/23/2001 | US6307894 Power amplification using a direct-upconverting quadrature mixer topology |
| 10/18/2001 | DE10018552A1 Detecting and correcting nonlinearities in microwave radar system e.g. for motor vehicle by detecting reference signal during application of test drive voltage and using to correct fm curve |
| 10/17/2001 | EP1145517A1 Correction of amplitude and phase imbalance in psk receivers |
| 10/17/2001 | EP0801848B1 Frequency synthesizer |
| 10/11/2001 | US20010028688 Method for converting a real signal into a complex signal |
| 10/10/2001 | EP1142250A2 Power i-q modulation systems and methods using predistortion circuit |
| 10/10/2001 | EP1142121A1 Circuit for the frequency multiplication of an angle modulated signal using a pll and method |
| 10/10/2001 | EP1142112A1 A receiver and a variable frequency signal generating circuit for the receiver |
| 10/10/2001 | CN1072861C Multi-channel digital transceiver and method thereof |
| 10/04/2001 | US20010026196 Loop delay compensation for a digital power amplifier |
| 10/04/2001 | EP1138113A1 Device for correcting non-linearities of voltage-controlled oscillators in a fmcw radar system |
| 10/02/2001 | US6298096 Method and apparatus for determination of predistortion parameters for a quadrature modulator |
| 10/02/2001 | US6298093 Apparatus and method for phase and frequency digital modulation |
| 09/27/2001 | WO2001071931A2 Digital tuner with optimized clock frequency and integrated parallel cic filter and local oscillator |
| 09/27/2001 | WO2001071904A1 Autocalibration of a transceiver through nulling of a dc-voltage in a receiver and injecting of dc-signals in a transmitter |
| 09/26/2001 | CN1314767A Transmitter circuit with frequency self optimization |