Patents
Patents for H03C 3 - Angle modulation (3,926)
07/2005
07/13/2005EP1553694A1 Modulation and transmission methods to provide a wireless link and transmitter circuit for providing a wireless link
07/13/2005EP1488508B1 Two-point modulator assembly
07/13/2005EP1476939B1 Method for adjusting a two-level modulator and two-level modulator with an adjusting device
07/12/2005US6917791 Polar loop transmitter
07/12/2005US6917787 System and method for superheterodyne frequency multiplication signal expansion to achieve a reduced bandwidth frequency or phase modulation communication channel
07/07/2005WO2005062563A1 Fractional-n sigma-delta modulator comprising an adaptive compensation filter that compensates for the undesired effects of the phase locked loop and methods thereof
07/07/2005WO2005060596A2 A transmitter for modulation distortion compensation
07/07/2005US20050148307 Direct outphasing modulator
07/06/2005EP1550218A1 Driver device for a voltage-controlled oscillator
07/06/2005EP1550205A2 Apparatus and methods for wideband signal processing
07/06/2005CN1636335A Method for modulating an output voltage of a RF transmitter circuit, and rf transmitter circuit
07/06/2005CN1636312A Method for trimming a two-point modulator, and a two-point modulator having a trimming apparatus
07/06/2005CN1209868C Transmitting device
07/05/2005US6914472 Phase modulating system
06/2005
06/30/2005US20050143042 DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
06/30/2005US20050141636 Modulator and semiconductor integrated circuit including modulator and wired or wireless communication device including modulator and semiconductor device
06/29/2005EP1547238A2 Method of modulation gain calibration and system thereof
06/29/2005CN1633745A Single point modulator having a PLL circuit
06/23/2005WO2005057871A1 Apparatus, methods and articles of manufacture for signal propagation using unwrapped phase
06/23/2005WO2005057819A1 Radio transmitter testing method, radio transmitter and base station
06/23/2005US20050135505 Frequency modulation circuit
06/23/2005US20050135465 Device with improved serial communication
06/22/2005EP1543621A1 Phase-locked loop
06/22/2005CN1630195A 调频电路 FM circuit
06/21/2005US6909855 FM modulator
06/21/2005US6909331 Phase locked loop having a forward gain adaptation module
06/21/2005CA2131567C Spread spectrum clock generator and associated method
06/16/2005WO2005055413A1 Outphasing modulator
06/16/2005WO2005031977A3 Phase conjugation circuit
06/16/2005US20050130610 Radio transmitter testing method, radio transmitter and base station
06/16/2005US20050130609 Transmitter circuit and method for modulation distortion compensation
06/16/2005US20050129142 Filter for a modulator and methods thereof
06/16/2005DE102004034864A1 System und Verfahren zum dynamischen verändern eines Taktsignals System and method for dynamically changing a clock signal
06/15/2005CN1627671A Radio transmitter testing method, radio transmitter and base station
06/09/2005US20050123063 Apparatus, methods and articles of manufacture for signal propagation using unwrapped phase
06/09/2005US20050123025 Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
06/09/2005US20050122145 Clock generator
06/08/2005EP1538742A1 Voltage control oscillator having modulation function
06/08/2005EP1537670A1 Improvements relating to phase-lock loops
06/08/2005EP1537649A1 Method and apparatus for reducing dynamic range of a power amplifier
06/02/2005WO2005050938A1 System and method for frequency modulation in a modem
06/02/2005WO2005034356A3 Phase-locked loop bandwidth calibration circuit and method thereof
06/02/2005US20050118963 Method and apparatus for I/Q imbalance calibration of a transmitter system
06/02/2005US20050117661 Soft method for variably changing a modulation method according to cell coverage range in a broadband wireless access communication system
06/02/2005US20050117071 Tuner using a direct digital frequency synthesizer, television receiver using such a tuner, and method therefor
06/01/2005EP1535391A1 Method and apparatus of compensating imbalance of a modulator
06/01/2005EP1535390A2 Trimming of a two point phase modulator
05/2005
05/31/2005US6901114 Transmitter and method of generating a transmission signal
05/26/2005WO2005048462A2 System and method for an improved quadrature upconverter for i/q modulation using intermediate frequency carriers
05/26/2005WO2005048300A2 Electronically programmable multimode circuit
05/26/2005US20050110590 Outphasing modulator
05/26/2005US20050110528 Voltage controlled oscillator (vco) with amplitude control
05/25/2005EP1532729A2 Phase locked loop method and apparatus
05/25/2005EP1485989A4 Oscillator and pll circuit using the same
05/24/2005US6898257 Transmitter device having a modulation closed loop
05/24/2005US6897687 Method and apparatus for reconfigurable frequency generation
05/19/2005US20050104669 Two-point modulator arrangement
05/17/2005US6895045 Balancing amplitude and phase
05/12/2005WO2005043744A1 Pulse modulation circuit
05/12/2005US20050101267 Frequency conversion techniques
05/12/2005US20050100115 Method, system, and apparatus for balanced frequency Up-conversion of a baseband signal
05/12/2005US20050100084 System and method for signal amplification
05/12/2005US20050099222 Electronically programmable multimode circuit
05/12/2005US20050099210 System and method for dynamically varying a clock signal
05/10/2005US6892057 Method and apparatus for reducing dynamic range of a power amplifier
05/06/2005WO2005041408A1 Digital rf transceiver with multiple imaging modes
05/05/2005US20050094743 System and method for an improved quadrature upconverter for I/Q modulation using intermediate frequency carriers
05/04/2005EP1528779A1 System and method for frequency modulation in a modem
04/2005
04/28/2005WO2005039136A1 Modulating apparatus and modulating method
04/28/2005WO2004088642A3 Frequency shaping stream signal processor
04/28/2005US20050089117 Method and apparatus for digital vector QAM modulator
04/21/2005US20050084034 Method for trimming a two-point modulator, and a two-point modulator having a trimming apparatus
04/21/2005US20050083872 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones
04/20/2005EP1142112B1 A receiver and a variable frequency signal generating circuit for the receiver
04/19/2005US6882234 Frequency adjustable oscillator and methods of operation
04/14/2005WO2005034356A2 Phase-locked loop bandwidth calibration circuit and method thereof
04/13/2005EP1142250B1 Power i-q modulation systems and methods using predistortion circuit
04/13/2005CN1197249C Sigma Delta modulator-controlled phase-locked-loop circuit and associated method
04/12/2005US6879817 DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
04/12/2005US6879218 Frequency modulation corrector keeping a good oscillating signal quality and suppressing dependability of a modulation degree
04/07/2005WO2005032087A1 Apparatus and method for digitally implementing a wideband multicarrier
04/07/2005WO2005031977A2 Phase conjugation circuit
04/07/2005US20050073369 Phase-locked loop bandwidth calibration circuit and method thereof
04/07/2005US20050073368 Low noise synthesiser
04/06/2005CN1605156A Method and device for producing mobile radio signals
04/06/2005CN1196303C Gain controller for orthogonal transceiver
04/05/2005US6876319 Integrated modulator and demodulator configuration
03/2005
03/31/2005WO2005029693A1 System and method for frequency translation with harmonic suppression using mixer stages
03/31/2005US20050070242 System and method for frequency translation with harmonic suppression using mixer stages
03/31/2005US20050069050 Frequency based modulator compensation
03/31/2005US20050068983 Policy and attribute based access to a resource
03/31/2005US20050068096 Apparatus for continuous phase quadrature amplitude modulation and demodulation
03/31/2005DE10361013A1 Oscillator arrangement with integrated microphone for use in transmitting high frequency signals and including an arrangement whose capacitance is variable dependent on an incident sound wave
03/30/2005CN1601644A Phase adjustment circuit and demodulation circuit
03/29/2005US6873836 Universal platform module and methods and apparatuses relating thereto enabled by universal frequency translation technology
03/29/2005US6873218 Frequency modulator using a waveform generator
03/24/2005US20050066214 Semiconductor integrated circuit
03/24/2005US20050063492 Phase adjustment circuit and demodulation circuit
03/23/2005EP1516439A2 Fm modulator using a phaselockloop
03/23/2005EP1516427A2 Circuit arrangement provided with a phase-locked loop and transmitter-receiver with said circuit arrangement
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