| Patents for H03C 3 - Angle modulation (3,926) |
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| 04/25/2007 | EP1632074A4 Method and system for suppressing carrier leakage |
| 04/19/2007 | WO2007021369A3 Dual port modulator |
| 04/19/2007 | WO2007021369A2 Dual port modulator |
| 04/19/2007 | US20070085719 Mixing dac architectures for a radio frequency receiver |
| 04/19/2007 | US20070085574 Audio signal detection utilizing low power standby power supply |
| 04/17/2007 | US7206357 System and method for an improved quadrature upconverter for I/Q modulation using intermediate frequency carriers |
| 04/17/2007 | US7205859 Method and apparatus for sub sample-per-symbol demodulator for a spectrally efficient waveform with an LPI feature |
| 04/17/2007 | US7205849 Phase locked loop including an integrator-free loop filter |
| 04/12/2007 | WO2007040095A1 Stereo modulator and fm stereo modulator using the same |
| 04/12/2007 | WO2006127808A3 Transmitter apparatus with adaptive power and phase for cdma applications |
| 04/11/2007 | CN1947330A 可编程无线收发器 Programmable wireless transceivers |
| 04/05/2007 | WO2005060596B1 A transmitter for modulation distortion compensation |
| 04/04/2007 | EP1769578A1 Modulator comprising a dual-frequency oscillator and a synthesizer |
| 04/04/2007 | EP1683269A4 Electronically programmable multimode circuit |
| 04/03/2007 | US7199677 Frequency modulation apparatus |
| 03/29/2007 | US20070072573 Pulse modulation circuitry |
| 03/28/2007 | EP1766797A1 Weighted mixing circuitry for quadrature processing in communication systems |
| 03/28/2007 | CN1939024A Phase modulating apparatus, communication device, mobile wireless unit, and phase modulating method |
| 03/21/2007 | EP1764912A2 Generation of accurate phase and amplitude matched signals |
| 03/20/2007 | US7194242 Direct-conversion transmitter circuit and transceiver system |
| 03/15/2007 | US20070058750 Baseband compensation of an offset phase locked loop |
| 03/15/2007 | US20070057744 Circuit arrangement |
| 03/13/2007 | US7190943 System and method for frequency translation with harmonic suppression using mixer stages |
| 03/13/2007 | US7190941 Method and apparatus for reducing DC offsets in communication systems using universal frequency translation technology |
| 03/08/2007 | WO2007025355A1 Reconfigurable signal modulator |
| 03/08/2007 | US20070053447 Wireless RF Link for Uncompressed Transmission of HDTV Signals |
| 03/07/2007 | EP1760877A1 Reconfigurable signal modulator |
| 03/06/2007 | US7187728 Coding method and use of a receiver with a convolutional decoder |
| 02/28/2007 | CN1922842A Quadrature modulation apparatus, method, program and recording medium |
| 02/28/2007 | CN1922787A PLL circuit |
| 02/27/2007 | US7183860 Gain calibration of a digital controlled oscillator |
| 02/20/2007 | US7180385 Direct frequency modulation system having an IQ mixer in the phase locked loop |
| 02/15/2007 | US20070035354 Dual port modulator |
| 02/15/2007 | US20070035345 Frequency and/or phase lock loops |
| 02/13/2007 | US7177372 Method and apparatus to remove effects of I-Q imbalances of quadrature modulators and demodulators in a multi-carrier system |
| 02/08/2007 | US20070030085 Regulated Capacitive Loading and Gain Control of a Crystal Oscillator During Startup and Steady State Operation |
| 02/07/2007 | EP1750365A2 Methods and apparatus for encoding information in a signal by spectral notch modulation |
| 02/06/2007 | US7173519 Circuit arrangement with simplified input circuit for phase modulation in a backscattering transponder |
| 01/31/2007 | EP0953232B1 Linearization arrangement of a power amplifier |
| 01/30/2007 | US7171170 Envelope limiting for polar modulators |
| 01/30/2007 | US7170359 Amplitude-controlled oscillator circuit and method for operating an amplitude-controlled oscillator circuit |
| 01/25/2007 | WO2005060596A3 A transmitter for modulation distortion compensation |
| 01/25/2007 | US20070021076 Direct-conversion transmitting circuit and integrated transmitting/receiving circuit |
| 01/24/2007 | CN1297073C Voltage-controlled oscillator, radio communication equipment and method of voltag control oscillation |
| 01/23/2007 | US7167686 Wireless communications transceiver: transmitter using a harmonic rejection mixer and an RF output offset phase-locked loop in a two-step up-conversion architecture and receiver using direct conversion architecture |
| 01/23/2007 | US7167528 Modulation system for modulating data onto a carrier signal with offsets to compensate for doppler effect and allow a frequency synthesizing system to make steps equal to channel bandwidth |
| 01/23/2007 | US7167059 Circuit for generating spread spectrum clock |
| 01/17/2007 | CN1898931A Apparatus, methods and articles of manufacture for signal propagation using unwrapped phase |
| 01/16/2007 | US7164899 System and method for frequency translation with harmonic suppression using mixer stages |
| 01/16/2007 | US7164328 Direct digital amplitude modulator |
| 01/16/2007 | US7164327 Compensation of the IQ phase asymmetry in quadrature modulation and demodulation methods |
| 01/11/2007 | WO2007005360A1 Frequency modulator using a phase loop, and method |
| 01/11/2007 | WO2005029742A3 Method for estimating signal magnitude, noise power, and signal-to-noise ratio of received signals |
| 01/09/2007 | US7161437 Voltage-controlled oscillator and quadrature modulator |
| 01/04/2007 | US20070001776 Frequency modulator, circuit, and method that uses multiple vector accumulation to achieve fractional-N frequency synthesis |
| 01/03/2007 | EP1478145B1 Method for detecting quadrature modulator carrier leak adjusting point by geometrical analysis/calculation method, carrier leak adjusting method, and quadrature modulation apparatus |
| 01/02/2007 | US7158603 Method and apparatus for compensating deviation variances in a 2-level FSK FM transmitter |
| 01/02/2007 | US7158010 Circuit arrangement and method for phase modulation in a backscattering transponder |
| 01/02/2007 | US7157985 PLL modulation circuit and polar modulation apparatus |
| 01/02/2007 | US7157979 Phase-lock loops |
| 12/28/2006 | US20060291337 Optical disc having small access units and address information modulation method therefor |
| 12/28/2006 | US20060290437 Radio apparatus |
| 12/27/2006 | EP1737124A2 Modulator and method for producing a modulated signal |
| 12/26/2006 | US7155180 Mixer circuit with spurious rejection by using mismatch compensation |
| 12/26/2006 | US7154440 Phase array antenna using a constant-gain phase shifter |
| 12/26/2006 | US7154347 Compensating method for a PLL circuit that functions according to the two-point principle, and PLL circuit provided with a compensating device |
| 12/20/2006 | EP1733196A1 Arrangement for measuring the torque of rotating machine parts |
| 12/20/2006 | CN1883174A System and method for frequency modulation in a modem |
| 12/20/2006 | CN1883110A Outphasing modulator |
| 12/13/2006 | CN1879304A Phase-locked loop bandwidth calibration circuit and method thereof |
| 12/13/2006 | CN1290361C Two-stage up-conversion modulator |
| 12/07/2006 | US20060273830 I/f conversion device and photo-detection device |
| 12/05/2006 | US7145963 Method and apparatus for multiple phase splitting for dual band IQ subharmonic mixer drive chains |
| 11/30/2006 | WO2006127927A1 A method for modulating phase or frequency in a communication system using clock division |
| 11/30/2006 | US20060268971 Testing circuit for measuring a frequency of signal output from clock generator |
| 11/28/2006 | US7142535 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 11/28/2006 | US7142382 Phase adjustment circuit and demodulation circuit |
| 11/28/2006 | US7142070 Two-point modulator arrangement |
| 11/28/2006 | US7142063 Two-point modulator comprising a PLL circuit and a simplified digital pre-filtering system |
| 11/21/2006 | US7139536 Method and apparatus for I/Q imbalance calibration of a transmitter system |
| 11/21/2006 | US7139326 Image-canceling quadrature modulator and method |
| 11/21/2006 | US7139319 Wireless RF link for uncompressed transmission of HDTV signals |
| 11/21/2006 | US7138882 Architecture for universal modulator |
| 11/21/2006 | US7138878 Semiconductor integrated circuit |
| 11/21/2006 | US7138838 Phase locked loop |
| 11/15/2006 | EP1722471A1 Quadrature-Modulator and its utilisation in a mobile Telephone, and method |
| 11/15/2006 | EP1665533A4 Digital rf transceiver with multiple imaging modes |
| 11/15/2006 | EP1425846B1 Transmitter arrangement especially for mobile radio |
| 11/14/2006 | US7136626 Radio frequency modulator |
| 11/09/2006 | WO2006118056A1 Two-point modulation type phase modulating apparatus, polar modulation transmitting apparatus, radio transmitting apparatus, and wireless communication apparatus |
| 11/09/2006 | US20060251150 System and method for communicating data using constant amplitude waveform with hybrid orthogonal and MSK or GMSK modulation |
| 11/09/2006 | DE102004014204B4 Phasenregelkreis und Verfahren zur Phasenkorrektur eines frequenzsteuerbaren Oszillators Phase-locked loop and method for phase correction of a frequency-controllable oscillator |
| 11/02/2006 | WO2006083396A3 Fractional-n offset phase locked loop |
| 10/31/2006 | US7129802 Method for estimating a carrier leak, an estimator and modulation system provided with automatic control of a carrier using said system |
| 10/31/2006 | US7129788 Method and apparatus for driving a direct current or voltage controlled oscillator with modulation slope feedback |
| 10/25/2006 | EP1714379A1 Programmable radio transceiver |
| 10/24/2006 | US7127005 Computational circuits and methods for processing modulated signals having non-constant envelopes |
| 10/24/2006 | US7126999 Pseudo-polar modulation for radio transmitters |
| 10/19/2006 | US20060233284 Frequency translator using a cordic phase rotator |
| 10/19/2006 | US20060232352 Timing generator |