Patents
Sitemap › H03 - Basic electronic circuitry › H03D - Demodulation or transference of modulation from one carrier to another › H03D 3 - Demodulation of angle-modulated oscillations
Patents for H03D 3 - Demodulation of angle-modulated oscillations (6,449)
11/1999
11/11/1999DE19819092A1 Receiver device for high frequency, vector modulated signals
11/09/1999US5982841 Time counting circuit, pulse converting circuit and FM demodulating circuit
11/09/1999US5982823 Direct frequency selection and down-conversion for digital receivers
11/09/1999US5982821 Frequency discriminator and method and receiver incorporating same
11/04/1999WO1999056399A2 Simplified receiver for frequency shift keyed signals
11/04/1999WO1999056233A1 Interrogators, communication systems, communication methods, and methods of processing a communication signal
11/04/1999WO1999043090A9 Quadrature-free rf receiver for directly receiving angle modulated signal
10/1999
10/27/1999EP0952665A2 Slope, drift and offset compensation in zero-if receivers
10/26/1999US5974098 Received signal detector for digital demodulator
10/12/1999US5966400 Receiver
10/07/1999WO1999050954A1 Digital signal processing architecture for multi-band radio receiver
10/07/1999CA2326103A1 Digital signal processing architecture for multi-band radio receiver
10/06/1999EP0948128A1 DC offset cancellation in a quadrature receiver
10/06/1999EP0947053A2 Improvements in or relating to phasing receivers
09/1999
09/30/1999WO1999049570A1 Demodulator circuits
09/30/1999WO1999049569A1 Demoludator circuits
09/30/1999WO1999049568A1 Demodulator circuits
09/30/1999WO1999049567A1 Demodulator circuits
09/28/1999US5960044 Apparatus and method for block phase estimation
09/28/1999CA2181807C Wideband frequency signal digitizer and method
09/23/1999WO1999048259A1 Direct frequency selection and down-conversion for digital receivers
09/21/1999US5956375 Fast-acting Costas loop
09/21/1999US5955783 High frequency signal processing chip having signal pins distributed to minimize signal interference
09/16/1999WO1999046864A1 Integrable radio receiver circuit for frequency-modulated digital signals
09/16/1999WO1999046852A1 Dc offset correction for direct conversion tuner ic
09/16/1999DE19810558A1 Integratable radio receiver circuit for frequency modulated digital signals
09/15/1999EP0701745B1 Direct conversion tuner
09/15/1999CN1228884A Method and device for use with phase modulated signals
09/14/1999US5953643 Receiver circuit
09/14/1999US5952889 Phase-locked loop with a locking aid circuit
09/14/1999US5952879 Device for the simultaneous demodulation of a multifrequency signal, particularly for an eddy current measurement
09/10/1999WO1999045635A1 Electronic circuits
09/08/1999EP0940958A1 Method and device for digitally demodulating a frequency modulated signal
09/08/1999EP0940909A1 Digital FM demodulation circuit
09/08/1999EP0940005A1 Method and device for use with phase modulated signals
09/08/1999CN1228222A Receiver for independent sideband signals
09/08/1999CN1228001A High-frequency receiver
09/07/1999US5950118 Wide bandwidth discriminator for use in a radio receiver
09/07/1999US5949821 Method and apparatus for correcting phase and gain imbalance between in-phase (I) and quadrature (Q) components of a received signal based on a determination of peak amplitudes
09/07/1999US5949281 Self aligning PLL demodulator
08/1999
08/26/1999WO1999043090A1 Quadrature-free rf receiver for directly receiving angle modulated signal
08/26/1999DE19906801A1 Spectrum diffusion signal analyzer for measuring faults in carrier frequency, and for demodulating diffuse signals
08/25/1999CN1227017A Wireless receiver with offset compensation using flash-ADC
08/24/1999US5943370 Direct conversion receiver
08/19/1999WO1999041851A1 Radio receiver that digitizes a received signal at a plurality of digitization frequencies
08/18/1999EP0936764A2 Method and apparatus for calibration of digital down converters in a signal processing system
08/17/1999CA2125260C Automatic frequency control apparatus and method therefor
08/12/1999WO1999027689A3 Demodulation unit and method of demodulating a quadrature signal
08/12/1999DE19753201C1 Arrangement for distortion correction of signal pairs consisting of in-phase and quadrature signals
08/11/1999EP0934630A1 Homodyne cellular base station
08/11/1999EP0934625A1 Numerical voltage controlled oscillator
08/11/1999CN1225548A Wireless selective call receiving apparatus which can reduce current consumption and wireless selective call receiving method
08/10/1999US5937341 Simplified high frequency tuner and tuning method
08/10/1999US5937013 Subharmonic quadrature sampling receiver and design
08/10/1999CA2259671A1 Method and apparatus for calibration of digital down converters in a signal processing system
08/10/1999CA2102108C Phase compensation method and apparatus
08/03/1999US5933448 Automatic tuning of a radio transceiver
07/1999
07/28/1999EP0932252A2 Tuning demodulator for digitally modulated RF signals
07/28/1999EP0932251A1 A radio receiver and a radio transmitter
07/21/1999EP0930719A2 Impulse noise detector and noise reduction system
07/20/1999US5926065 Digital modulator having a digital filter including low-speed circuit components
07/15/1999WO1999035736A1 Quadrature modulator and demodulator
07/15/1999CA2316969A1 Quadrature modulator and demodulator
07/14/1999EP0929146A1 Tuner for satellite broadcasting receiver
07/14/1999EP0928514A1 Receiver capable of demodulating multiple digital modulation formats
07/07/1999CN1222273A Receiver and method thereof
07/07/1999CN1222267A DSP implementation of cellular base station receiver
06/1999
06/29/1999US5918169 Homodyne cellular base station
06/29/1999US5918167 For an rf receiver
06/29/1999US5917867 Method and apparatus for DC compensation
06/17/1999WO1999030428A1 Receiver with sigma-delta analog-to-digital converter
06/16/1999CN1220055A Apparatus, method and article of manufacture for carrier frequency compensation in FM radio receiver
06/16/1999CN1219826A 下行转换混合器 Down-conversion mixer
06/15/1999US5913155 Broadcasting signal receiving apparatus and pulse counting demodulators
06/10/1999WO1999029075A1 Hierarchical transmission digital demodulator
06/10/1999WO1999016179A3 Improvements in or relating to phasing receivers
06/09/1999EP0920729A1 Apparatus and method for receiving a modulated radio frequency signal
06/08/1999US5910752 Frequency demodulator with resampled output
06/03/1999WO1999027689A2 Demodulation unit and method of demodulating a quadrature signal
06/02/1999EP0919091A1 Receiver for independent sideband signals
05/1999
05/11/1999US5903825 Digital FM receiver back end
05/11/1999US5903187 Monolithically integrable frequency demodulator device
05/06/1999EP0778996B1 Process and device for reshaping pairs of signals
05/04/1999US5901347 Fast automatic gain control circuit and method for zero intermediate frequency receivers and radiotelephone using same
04/1999
04/27/1999US5898912 Direct current (DC) offset compensation method and apparatus
04/22/1999WO1999019991A1 Digital radio-frequency transceiver
04/21/1999CN1214817A Method and circuit arrangement for processing received signal
04/21/1999CN1214585A Digital receiver with polyphase structure
04/20/1999US5896061 Homodyne receiver and process for correcting the converted received signal
04/15/1999WO1999018660A1 Method and apparatus for deskewing clock signals
04/14/1999EP0908015A2 Wireless receiver with offset compensation using flash-adc
04/07/1999EP0906656A2 Dsp implementation of a cellular base station receiver
04/06/1999US5893029 Baseband phase-locked direct conversion receiver with frequency offset
04/06/1999CA2173785C Automatic frequency control circuit applicable to a mobile communication system
04/01/1999WO1999016179A2 Improvements in or relating to phasing receivers
03/1999
03/31/1999EP0905908A1 Output stage for small current charge pump and demodulator incorporating such charge pump
03/31/1999EP0905880A1 Device and method for the offset voltage compensation of a mixer
03/31/1999CN1212505A Output stage for low-current charge pump and demodulator integrating such pump
03/30/1999CA2124114C Digital demodulator
03/25/1999WO1999014852A1 Filtering arrangement and slope detector for quadrature amplitude modulated signals
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