Patents for H03C 3 - Angle modulation (3,926) |
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11/17/2004 | EP1476939A2 Method for adjusting a two-level modulator and two-level modulator with an adjusting device |
11/11/2004 | WO2004098041A1 Method for modulating a carrier signal, and method for demodulating a modulated carrier signal |
11/11/2004 | WO2004034564A3 Trimming of a two point phase modulator |
11/11/2004 | US20040223572 Method and apparatus for measuring phase error of a modulated signal |
11/04/2004 | WO2004095686A2 Quadrature modulator and calibration method |
11/04/2004 | US20040217822 EMI reduction of oscillating signals by way of controlled randomized modulation |
11/04/2004 | DE10357244A1 System und Verfahren zum Kalibrieren von symmetrischen Signalen System and method for calibrating of balanced signals |
11/04/2004 | DE10357243A1 System und Verfahren zum Erzeugen von symetrischen Signalen mit willkürlicher Amplituden- und Phasensteuerung unter Verwendung einer Modulation System and method for generating symmetrical signals with arbitrary amplitude and phase control using a modulation |
11/04/2004 | DE10357242A1 System und Verfahren zum Erzeugen von symetrischen modulierten Signalen mit willkürlicher Amplituden- und Phasensteuerung unter Verwendung einer Modulation System and method for generating modulated signals symmetrical with arbitrary amplitude and phase control using a modulation |
11/03/2004 | EP1374405B1 Frequency closed loop for frequency modulation |
11/03/2004 | EP1145517B1 Correction of amplitude and phase imbalance in psk receivers |
10/28/2004 | WO2004093309A1 Modulator and correction method thereof |
10/28/2004 | US20040214534 Antenna phase modulator |
10/28/2004 | US20040213364 Frequency shaping stream signal processor |
10/28/2004 | US20040212524 PWM signal generator and PWM signal generating method |
10/28/2004 | US20040212439 Voltage controlled oscillator |
10/27/2004 | EP1471640A2 PWM signal generator and PWM signal generating method |
10/26/2004 | US6810027 Multi-carrier transmitting apparatus and method |
10/26/2004 | US6809607 Circuit and method for compensating for non-linear distortion |
10/26/2004 | US6809598 Hybrid of predictive and closed-loop phase-domain digital PLL architecture |
10/26/2004 | US6809585 Frequency modulation system and method |
10/21/2004 | US20040207478 Self-adjusting I-Q modulator system |
10/21/2004 | US20040207437 Phase locked loop |
10/20/2004 | EP1468494A1 Transceiver using a harmonic rejection mixer |
10/20/2004 | EP1360768B1 Sigma-delta programming device for a pll-frequency synthesizer |
10/19/2004 | US6806780 Efficient modulation compensation of sigma delta fractional phase locked loop |
10/14/2004 | WO2004088642A2 Frequency shaping stream signal processor |
10/14/2004 | US20040201427 Phase locked loop that avoids false locking |
10/13/2004 | EP1206831B1 Modem for wireless local area network |
10/13/2004 | CN1171422C Transmitter |
10/07/2004 | US20040196939 All-Digital Phase Modulator/Demodulator Using Multi-Phase Clocks and Digital PLL |
10/07/2004 | US20040196924 Radio transmitter architecture comprising a PLL and a delta-sigma modulator |
10/07/2004 | US20040196920 Wireless RF link for uncompressed transmission of HDTV signals |
10/07/2004 | US20040196083 System and method for generating balanced signals with arbitrary amplitude and phase control using modulation |
10/07/2004 | US20040196051 System and method for calibrating balanced signals |
10/06/2004 | CN1535498A Method and device for compensating phase error in receiver and/or transmitter system with I/Q interface |
10/05/2004 | US6801581 DC offset cancellation |
10/05/2004 | US6801092 Phase locked loop that avoids false locking |
09/30/2004 | US20040192369 Method and apparatus for reducing dynamic range of a power amplifier |
09/30/2004 | US20040192231 Two-point modulator comprising a pll circuit and a simplified digital pre-filtering system |
09/30/2004 | US20040190645 System for processing digitized communication signals provided over plural RF channels |
09/30/2004 | US20040189403 Communication semiconductor integrated circuit |
09/30/2004 | DE19954255B4 Phase Lock Loop und diesbezügliches Verfahren Phase lock loop and method thereof |
09/29/2004 | CN1533631A Circuit arrangement for regulation of direct component of a signal and mobile radio transmitter |
09/28/2004 | US6798300 Oscillator and PLL circuit using the same |
09/23/2004 | WO2004082145A1 Phase-locked loop circuit |
09/23/2004 | US20040183614 Frequency modulation using a zero hz vco |
09/23/2004 | US20040183602 RC and SC filter compensation in a radio transceiver |
09/23/2004 | US20040183601 Maximally digitized fractional-N frequency synthesizer and modulator with maximal fractional spurs removing |
09/22/2004 | EP1356651B1 Compensation method for a transceiver using two-point modulation |
09/22/2004 | CN1168201C Method and device in telecommunication system |
09/22/2004 | CN1168200C FM signal oscillation circuit and modulation level correcting method |
09/22/2004 | CN1168199C Quadrature modulator with carrier leakage compensation |
09/16/2004 | WO2004079924A2 Tuner for radio frequency receivers and associated method |
09/16/2004 | WO2004079912A1 Improvements relating to frequency and/or phase lock loops |
09/16/2004 | US20040178859 Efficient modulation compensation of sigma delta fractional phase locked loop |
09/16/2004 | DE10308921A1 Phase locked loop (PLL) for frequency syntehsis for HF PLL in digital circuit technique for mobile radio application, e.g. in blue tooth standard, with digitally controllable oscillator |
09/16/2004 | DE10308920A1 Phase locked loop (PLL) for frequency synthesis, i.e. generating signal with required frequency, with output signal of digitally energisable, voltage controlled oscillation (VCO) converted into allocated phase signal |
09/15/2004 | EP1458158A2 Correction of amplitude and phase imbalance in PSK receivers |
09/15/2004 | EP1456953A1 Low noise synthesiser |
09/14/2004 | US6791422 Frequency synthesizer with digitally-controlled oscillator |
09/09/2004 | US20040176058 Tuner for radio frequency receivers and associated method |
09/09/2004 | US20040176045 Method and device for producing mobile radio signals |
09/09/2004 | US20040174843 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
09/09/2004 | US20040174842 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
09/09/2004 | US20040174841 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
09/09/2004 | US20040174222 Phase modulating system |
09/09/2004 | US20040174192 Method and apparatus for reconfigurable frequency generation |
09/09/2004 | DE19539939B4 Codesender, insbesondere für ein Diebstahlschutzsystem eines Kraftfahrzeugs Code transmitter, in particular for a theft protection system of a motor vehicle |
09/02/2004 | WO2004075395A1 Efficient modulation of rf signals |
09/02/2004 | WO2004054107A3 Phase-locking loop with a modulator |
09/02/2004 | US20040172438 Method for compensating for a phase error in a reception and/or transmission system having an I/Q interface |
08/31/2004 | US6784753 Method for modulating an output voltage of a RF transmitter circuit, and RF transmitter circuit |
08/26/2004 | US20040166816 Wireless transmitter |
08/26/2004 | US20040165573 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
08/25/2004 | EP1450479A1 Efficient modulation of RF signals |
08/25/2004 | EP1449296A2 Transmitter with transmitter chain phase adjustment on the basis of pre-stored phase information |
08/25/2004 | CN1524336A Trimming method and trimming device for a pll circuit for two-point modulation |
08/24/2004 | US6782247 CMOS frequency conversion using dual mixers for sideband suppression |
08/24/2004 | US6782038 Method and apparatus for radio communications |
08/19/2004 | US20040162038 Method for detecting quadrature modulator carrier leak adjusting point by geometrical analysis/calculation method, carrier leak adjusting method, and quadrature modulation apparatus |
08/19/2004 | US20040160913 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
08/19/2004 | US20040160912 Hierarchical data collection network supporting packetized voice communication among wireless terminals and telephones |
08/18/2004 | EP1446885A1 Fractional-n type frequency synthesizer |
08/17/2004 | US6778117 Local oscillator and mixer for a radio frequency receiver and related method |
08/12/2004 | US20040157568 Circuit arrangement for the regulation of a direct component of a signal and mobile radio transmitter |
08/12/2004 | DE10328375A1 Arrangement for generating quadrature modulated transmission signal has two phase modulators generating phase-modulated signals from two input signals, addition circuit for summing phase-modulated signals |
08/11/2004 | CN1520667A Cycle-by-cycle synchronous waveform shaping circuits based on time-domain superposition and convolution |
08/10/2004 | US6774740 System for highly linear phase modulation |
08/10/2004 | US6774738 Trimming method for a transceiver using two-point modulation |
08/10/2004 | US6774736 Voltage-controlled oscillator circuit for direct modulation |
08/05/2004 | US20040151164 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
08/05/2004 | US20040151151 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
08/05/2004 | US20040151150 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
08/04/2004 | CN2631124Y Wide-dynamic-range predistortion circuit |
07/29/2004 | US20040146098 Modulation noise estimation mechanism |
07/29/2004 | US20040146037 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
07/29/2004 | US20040146020 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
07/29/2004 | US20040145775 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
07/27/2004 | US6768391 Class-B biased gilbert cells and quadrature modulators |