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