| Patents for H03C 3 - Angle modulation (3,926) |
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| 12/03/2013 | US8600327 System and method for frequency translation with harmonic suppression using mixer stages |
| 11/28/2013 | US20130316661 Transceiver using technique for improvement of phase noise and switching of phase lock loop (pll) |
| 11/21/2013 | WO2013173523A1 Signal processing of multiple streams |
| 11/20/2013 | CN102067440B Pll calibration |
| 11/19/2013 | US8588336 Methods and apparatuses for compensation of I/Q imbalance |
| 11/12/2013 | US8582690 Apparatus and method for determining signal power |
| 11/05/2013 | US8576948 Angle modulator, transmission device, and wireless communication device |
| 11/05/2013 | US8576947 System and method for simultaneous MIMO signal testing with single vector signal analyzer |
| 11/05/2013 | US8576943 Linearization for a single power amplifier in a multi-band transmitter |
| 10/31/2013 | WO2013163473A1 Ultra-wide band frequency modulator |
| 10/29/2013 | US8571135 Method, system and apparatus for balanced frequency up-conversion of a baseband signal |
| 10/16/2013 | CN203243281U Device for generating frequency-modulated signals |
| 10/09/2013 | CN103348644A Two point modulation digital phase locked loop |
| 10/08/2013 | US8553806 Quadrature modulation without carrier |
| 09/26/2013 | DE102012204451A1 Transmitter of mobile device, has converter to produce vector modulated radio frequency (RF) output signal and polar-modulated RF output signal based on baseband signals and oscillator signal in vector and polar modulation modes |
| 09/24/2013 | US8542773 Digital RF converter, digital RF modulator and transmitter including the same |
| 09/19/2013 | WO2013136766A1 Voltage controlled oscillator, signal generating apparatus, and electronic apparatus |
| 09/17/2013 | US8536902 Capacitance to frequency converter |
| 09/12/2013 | US20130234803 High-frequency, high-speed precision digital bi-phase modulator and method for bi-phase modulation |
| 09/11/2013 | CN103296971A Method and apparatus for generating frequency modulation signal |
| 09/10/2013 | US8532224 Signal processing circuit and method with frequency up- and down-conversion |
| 09/03/2013 | US8526896 Feedback compensation detector for a direct conversion transmitter |
| 09/03/2013 | US8526539 Computational generation of narrow-bandwidth digital signals |
| 08/28/2013 | EP2632042A1 Apparatus and method for phase locked loop bandwidth expansion |
| 08/20/2013 | US8515361 Frequency correction of a programmable frequency oscillator by propagation delay compensation |
| 08/20/2013 | US8514977 Transmission apparatus, reception apparatus, transmission method, and reception method of wireless communication system |
| 08/13/2013 | US8509351 Multi-mode radio frequency modulation circuitry |
| 08/06/2013 | US8502615 Jumpless phase modulation in a polar modulation environment |
| 08/06/2013 | US8502614 Variable inductor, and oscillator and communication system using the same |
| 08/06/2013 | US8502613 Oscillating circuit |
| 08/06/2013 | CA2496526C Phase locked loop having a forward gain adaptation module |
| 07/24/2013 | CN103219946A Polar transmitter having frequency modulating path with interpolation in compensating feed input and related method thereof |
| 07/23/2013 | US8494005 Technique for adjusting a phase relationship among modulation symbols |
| 07/23/2013 | US8493158 Polar feedback architecture |
| 07/09/2013 | US8483316 Modulation apparatus, modulation method, demodulation apparatus, and demodulation method |
| 07/04/2013 | WO2013098344A1 Filter offset compensation |
| 07/02/2013 | US8477873 Apparatus for generating frequency signal |
| 06/25/2013 | US8472559 Polar transmitter and related signal transmitting method |
| 06/20/2013 | US20130154756 Method for the phase modulation of a carrier signal transmitted from a transmitter to a contactless transponder, and device for implementing same |
| 06/20/2013 | US20130154755 Method and apparatus for improved high order modulation |
| 06/18/2013 | US8467376 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 06/18/2013 | US8466755 Polar modulation apparatus and communication device |
| 06/13/2013 | DE102011120769A1 Synchronous modulated-fully digital delta-sigma modulator circuit for use in fractional N-phase locked loop frequency synthesizer, has digital un-modulated fractional-control signal processing full-digital delta-sigma modulator circuit |
| 06/05/2013 | EP2600520A1 Modulation signal generation circuit, transmission/reception module, and radar device |
| 06/05/2013 | CN1879304B Phase-locked loop bandwidth calibration circuit and method thereof |
| 06/04/2013 | US8456246 Quadrature voltage-controlled oscillator and method of providing four-phase output signals |
| 05/30/2013 | WO2013007797A9 Spintronic oscillator, and use thereof in radiofrequency devices |
| 05/28/2013 | US8451067 Variable modulus modulator for fractional-N frequency synthesizers |
| 05/22/2013 | CN101803182B Linear RF amplifier with polar feedback |
| 05/16/2013 | US20130122846 Down-conversion of an electromagnetic signal with feedback control |
| 05/10/2013 | WO2013067291A1 Quadrature modulator balancing system |
| 05/07/2013 | US8437314 Radio frequency architecture for spectrum access networks |
| 05/07/2013 | US8436689 Multiple phase voltage controlled oscillator including a resonant circuit and negative resistance circuit |
| 05/01/2013 | CN102176654B Broadband, high-linearity and low-phase noise frequency modulation (FM) modulator |
| 04/18/2013 | US20130093480 Digital phase locked loop |
| 04/04/2013 | US20130082780 Accuracy power detection unit |
| 03/26/2013 | US8405464 Electronic device for controlling a frequency modulation index and a method of frequency-modulating |
| 03/21/2013 | DE102012108279A1 Phasenregelkreis mit nicht-ganzzahligem Teiler Phase-locked loop with non-integer divider |
| 03/20/2013 | CN101361007B Modulation generating circuit, transmitting and receiving module and radar installation |
| 03/19/2013 | US8400230 Frequency modulation of clocks for EMI reduction |
| 03/14/2013 | US20130063220 Wideband Phase Modulation Methods and Apparatus |
| 03/12/2013 | US8395458 High power direct transmitter with frequency-shift keying (FSK) modulation |
| 03/12/2013 | US8395453 Error compensation method, digital phase error cancellation module, and ADPLL thereof |
| 02/28/2013 | US20130049877 Modulator and an amplifier using the same |
| 02/26/2013 | US8385476 Digital phase locked loop |
| 02/26/2013 | US8385469 High-efficiency all-digital transmitter |
| 02/19/2013 | US8379761 Smooth modulation switching |
| 02/19/2013 | US8378465 Method and apparatus for optical modulation |
| 02/12/2013 | US8373357 Modulator module in an integrated circuit device |
| 02/07/2013 | US20130033442 Control circuit and method for sensing electrode array and touch control sensing system using the same |
| 02/05/2013 | US8369801 Multimode-compatible polar modulation transmission device and multimode radio communication method |
| 01/29/2013 | US8364098 PLL calibration |
| 01/23/2013 | CN101682295B Apparatus for coupling a wireless communication device to a physical device and related communication method |
| 01/22/2013 | US8358719 Method and device for the compensation of signal errors in IQ-modulators |
| 01/22/2013 | US8358178 Phase modulation apparatus and method |
| 01/17/2013 | WO2013007797A1 Spintronic oscillator, and use thereof in radiofrequency devices |
| 01/17/2013 | US20130016796 Signal modulator and signal modulating method |
| 01/10/2013 | US20130012141 System and method for reducing temperature-dependent and process-dependent frequency variation of a crystal oscillator circuit |
| 12/26/2012 | CN101789759B Method for realizing modulation predistortion through curve fitting |
| 12/25/2012 | US8340224 Resonant power converter for radio frequency transmission and method |
| 12/13/2012 | US20120314810 Receiver/transmitter capable of simultaneously receiving/transmitting discontinuous frequency signals and method thereof |
| 11/28/2012 | CN102804606A Digital phase-locked loop architecture |
| 11/01/2012 | US20120274364 Method and Apparatus of Using Time-Domain Interpoolators for Sampling Time Adjustment, Sampling Rate Change, and Sampling Misalignment Compensation in Optical Communications |
| 10/30/2012 | US8300729 Methods and apparatus for reducing high-frequency events in polar domain signals |
| 10/30/2012 | US8300728 Complex envelope elimination and restoration transmitter |
| 10/30/2012 | US8299865 Quadrature modulator and semiconductor integrated circuit with it built-in |
| 10/25/2012 | US20120269186 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 10/23/2012 | US8294528 Wideband multi-mode VCO |
| 10/18/2012 | US20120264484 Polar modulator and method for generating a polar modulated signal |
| 10/04/2012 | US20120253736 Feedback compensation detector for a direct conversion transmitter |
| 10/02/2012 | US8280322 RF transmitter with stable on-chip PLL |
| 09/13/2012 | US20120229227 Vector modulator using time delay and phase shifter |
| 09/12/2012 | CN101310435B Method of continuously calibrating the gain for a multi-path angle modulator |
| 09/05/2012 | CN101714961B Digital signal transmitting method and equipment based on modulated carriers of equal amplitude and equal period |
| 09/04/2012 | US8258877 Feed-back and feed-forward systems and methods to reduce oscillator phase-noise |
| 08/28/2012 | US8253506 Wideband temperature compensated resonator and wideband VCO |
| 08/22/2012 | CN101572550B Phase-locked loop frequency synthesizer and method for regulating frequency of modulation signals |
| 08/16/2012 | WO2012109337A1 Two point modulation digital phase locked loop |
| 08/09/2012 | US20120200367 Wide band polar modulator |
| 08/09/2012 | DE102012201874A1 Breitbandpolarmodulator Broadband polar modulator |