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