Patents
Patents for H03C 3 - Angle modulation (3,926)
07/2004
07/27/2004US6768390 System and method for generating balanced modulated signals with arbitrary amplitude and phase control using modulation
07/22/2004WO2004062085A1 Modulator using compensation or frequency deviation, and method
07/22/2004WO2004034565A3 Apparatus and methods for wideband signal processing
07/22/2004WO2004034307A3 Apparatus, methods and articles of manufacture for digital modification in electromagnetic signal processing
07/21/2004EP1438786A2 Fm modulator
07/15/2004WO2004042924A3 Vco gain tracking for modulation gain setting calibration
07/15/2004WO2004034596A3 Method and apparatus for transmission using digital modulator
07/15/2004WO2003105430A3 A modulator using a frequency synthesiser
07/15/2004US20040137862 Direct-conversion transmitter circuit and transceiver system
07/15/2004US20040136471 Digital intermediate frequency QAM modulator using parallel processing
07/15/2004DE10257181B3 Phasenregelkreis mit Modulator Phase-locked loop with a modulator
07/14/2004EP1362413B1 Compensation method and compensating device for a pll circuit for two-point modulation
07/14/2004CN1513225A Two-point modulator comprising PLL circuit and simplified digital pre-filtering system
07/13/2004US6763227 Systems and methods for modulator calibration
07/08/2004WO2004057768A1 Transmission circuit and transmitter/receiver using same
07/07/2004EP1284075B1 Gain controller for quadrature transceiver
07/06/2004US6760571 Automatic frequency deviation detection and correction apparatus
07/01/2004WO2004056060A1 Method and apparatus for quadrature modulation
07/01/2004US20040126121 FM modulator
07/01/2004US20040125904 Method and apparatus for compensating deviation variances in a 2-level FSK FM transmitter
07/01/2004US20040125888 Quadrature modulation transmitter
07/01/2004US20040124938 Trimming of a two point phase modulator
06/2004
06/30/2004EP1433249A2 Compensating method for a pll circuit that functions according to the two-point principle, and pll circuit provided with a compensating device
06/29/2004US6756927 Sigma-delta programming device for a PLL frequency synthesizer, configuration using the sigma-delta programming device, PLL frequency device, and method for programming a programmable device
06/24/2004WO2004054107A2 Phase-locking loop with a modulator
06/24/2004WO2004036737A3 Transmitter
06/24/2004US20040119514 Systems and methods for correcting phase locked loop tracking error using feed-forward phase modulation
06/24/2004DE10255863A1 Phasenregelschleife Phase-locked loop
06/23/2004EP1432195A1 Method and apparatus for quadrature modulation
06/22/2004US6754474 Radio transmission system
06/22/2004US6753737 Precision oven-controlled crystal oscillator
06/17/2004WO2004051854A1 Phase-locked loop
06/17/2004US20040114567 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones
06/17/2004DE10320177B3 HF circuit for amplitude and phase modulation of HF carrier signal for mobile radio communications device with bandwidth setting device for phase or amplitude regulation circuit
06/10/2004WO2004034658A3 Method of digital modulation and corresponding transmitter
06/10/2004US20040109514 Method and apparatus for multiple phase splitting for dual band IQ subharmonic mixer
06/10/2004US20040109513 Method and apparatus for multiple phase splitting for dual band IQ subharmonic mixer
06/10/2004US20040108912 Modulator
06/09/2004EP1425846A2 Transmitter arrangement especially for mobile radio
06/09/2004EP1425065A2 Electrical field stimulation of eukaryotic cells
06/09/2004EP1236270B1 Transmitting device
06/08/2004US6747987 Transmit modulation circuit and method of operating a transmitter
06/08/2004US6747524 Modulator and demodulator
06/03/2004US20040105502 Apparatus, methods and articles of manufacture for wideband signal processing
06/01/2004US6745015 Method for automatic carrier suppression tuning of a wireless communication device
05/2004
05/27/2004WO2004034664A3 Apparatus, methods and articles of manufacture for noise reduction in electromagnetic signal processing
05/27/2004WO2004021558A3 Method of modulation gain calibration and system thereof
05/27/2004WO2002093781A3 Fm modulator using a phaselockloop
05/26/2004EP1421677A2 Transmitter system, especially for cellular telephony
05/21/2004WO2004042924A2 Vco gain tracking for modulation gain setting calibration
05/19/2004CN1497861A Voltage-controlled oscillator, radio communication equipment and method of voltag control oscillation
05/19/2004CN1150694C Modulation system and methods including oversampling of narrow bandwidth signals and DC offset compensation
05/13/2004WO2004040872A1 Communication transmitter using offset phase-locked-loop
05/13/2004WO2003069772A3 Digital modulator
05/13/2004WO2003047088A3 Frequency modulator using switched capacitors
05/13/2004US20040090952 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones
05/13/2004US20040090909 Frequency modulator using a waveform generator
05/13/2004CA2503070A1 Communication transmitter using offset phase-locked-loop
05/11/2004US6734749 Direct modulated phase-locked loop
05/11/2004US6734741 Frequency synthesizer with digitally-controlled oscillator
05/11/2004US6734739 Fractional-frequency-modulation PLL synthesizer that suppresses spurious signals
05/06/2004WO2003015258A3 Fm modulator
05/06/2004US20040087289 Phase lock loop applying in wireless communication system and method thereof
05/06/2004US20040087285 VCO gain tracking for modulation gain setting calibration
05/06/2004US20040086057 Communication transmitter using offset phase-locked-loop
05/06/2004EP1416691A1 I/Q imbalance correction in a quadrature transceiver
05/06/2004EP1415391A2 Circuit arrangement for the regulation of a direct component of a signal and mobile radio transmitter
05/04/2004US6731763 Audio A/D converter using frequency modulation
05/04/2004US6731101 Modulation semiconductor integrated circuit device and testing method for oscillation circuit
04/2004
04/29/2004WO2004036737A2 Transmitter
04/29/2004WO2004021559A9 Phase locked loop method and apparatus
04/29/2004WO2004004267A3 Circuit arrangement provided with a phase-locked loop and transmitter-receiver with said circuit arrangement
04/29/2004DE10248043A1 Phase-locked loop for frequency modulation of digital input data in transmission and reception device with bandwidth switching dependent on transmission or reception mode
04/28/2004EP1413111A2 Signal decomposition for the control of its dynamic range
04/27/2004US6728527 Double up-conversion modulator
04/27/2004US6727773 Method of generating a clock, a clock generation device, and electronic apparatuses having a clock generation device
04/27/2004US6727771 Semiconductor integrated circuit device with variable gain amplifier
04/22/2004WO2004034664A2 Apparatus, methods and articles of manufacture for noise reduction in electromagnetic signal processing
04/22/2004WO2004034658A2 Method of digital modulation and corresponding transmitter
04/22/2004WO2004034596A2 Method and apparatus for transmission using digital modulator
04/22/2004WO2004034566A1 Electromagnetic wave transmitter, receiver and transceiver systems, methods and articles of manufacture
04/22/2004WO2004034565A2 Apparatus and methods for wideband signal processing
04/22/2004WO2004034564A2 Trimming of a two point phase modulator
04/22/2004WO2004034307A2 Apparatus, methods and articles of manufacture for digital modification in electromagnetic signal processing
04/22/2004US20040077328 Frequency modulating device of an integrated circuit and a method of measuring modulated frequency
04/21/2004EP1410496A2 Method and device for compensating a phase error in a receiver and/or transmitter system with an i/q-interface
04/21/2004EP1042871A4 Digital radio-frequency transceiver
04/21/2004CN1491485A Sigma-delta programming device for PLL-frequency synthesizer
04/21/2004CN1491456A NRD guide FM transmitter with FM modulator in rear of gunn oscillator
04/21/2004CN1491455A FM modulator for NRD guide circuit
04/20/2004US6724851 FIR chip for use in a wireless subscriber unit
04/15/2004WO2004032326A1 Driver device for a voltage-controlled oscillator
04/15/2004DE202004002370U1 Frequency generator with digitally adjustable frequency, consisting of oscillator with stepwise adjustable frequency and pulse width modulator
04/15/2004DE10245799A1 Treibervorrichtung für einen spannungsgesteuerten Oszillator Driving device for a voltage-controlled oscillator
04/14/2004EP0881807B1 Tansmitter with linearised amplifier
04/13/2004US6720833 Modulator and oscillator for microwave and milliwave use
04/08/2004US20040066240 Frequency synthesizer with digitally-controlled oscillator
04/08/2004DE10243382A1 Schaltungsanordnung mit Phasenregelkreis und Sendeempfänger mit der Schaltungsanordnung Circuit with phase-locked loop and transceiver to the circuitry
04/07/2004EP1405418A2 Method and device for producing mobile radio signals
04/07/2004EP1320934A4 Frequency translator using a cordic phase rotator
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