| Patents for H03M 3 - Conversion of analogue values to or from differential modulation (7,070) |
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| 06/19/2001 | US6249236 Low power seismic device interface and system for capturing seismic signals |
| 06/13/2001 | EP1107462A2 Digital-to-analog converter with sigma delta conversion and storage |
| 06/12/2001 | CA2051296C Method and device for synchronizing with an exterior event the sampling of measure signals by an over-sampling type digitizing set |
| 06/07/2001 | US20010003165 Data processing of a bitstream signal |
| 06/06/2001 | CN1298574A Transmission circuit of a radio-frequency signal |
| 06/05/2001 | US6243430 Noise cancellation circuit in a quadrature downconverter |
| 05/31/2001 | WO2001039377A2 Finite impulse response digital to analog converter with offset compensation |
| 05/31/2001 | WO2001038943A1 Feedback control system |
| 05/30/2001 | EP1103100A1 Digital reception with radio frequency sampling |
| 05/30/2001 | EP1076874A4 Method and circuit for compensating the non-linearity of capacitors |
| 05/25/2001 | WO2001037461A1 Method and apparatus for generating an rf signal |
| 05/25/2001 | CA2390097A1 Method and apparatus for generating an rf signal |
| 05/23/2001 | EP1102409A1 Method and apparatus for generating a RF signal |
| 05/23/2001 | EP1102405A1 Transducer interface arrangement inluding a sigma-delta modulator with offset correction and with gain setting |
| 05/23/2001 | CN1296669A Radio receiver |
| 05/22/2001 | US6236345 Video rate D/A converter with sigma-delta modulator |
| 05/19/2001 | CA2326019A1 Transducer interface arrangement including a sigma-delta modulator with offset correction and with gain setting |
| 05/16/2001 | EP1100203A2 Noise shaping in segmented mixed-signal circuitry |
| 05/16/2001 | EP1099311A1 Delay compensation for analog-to-digital converter in sigma-delta modulators |
| 05/15/2001 | US6232902 Sigma-delta analog-to-digital converter |
| 05/15/2001 | US6232901 High performance sigma-delta-sigma low-pass/band-pass modulator based analog-to-digital and digital-to-analog converter |
| 05/15/2001 | US6232899 Analogue and digital convertors |
| 05/15/2001 | US6232897 System and method for calibrating an analog to digital converter through stimulation of current generators |
| 05/08/2001 | US6229470 Analog clipping circuit for mixed signal codecs |
| 05/08/2001 | US6229469 Adaptive differential ADC architecture |
| 05/08/2001 | US6229466 Digital calibration method and apparatus for multi-bit delta-sigma D/A converter |
| 05/02/2001 | EP1096367A2 Apparatus and method for digital data reproducing and transmitting, and storage media therefor |
| 05/02/2001 | EP1095458A1 System for generating an accurate low-noise periodic signal |
| 05/01/2001 | US6226663 Method and apparatus for overflow detection in a decimation filter |
| 05/01/2001 | US6225928 Complex bandpass modulator and method for analog-to-digital converters |
| 04/25/2001 | EP1093687A2 Linearized multi-bit digital/analog converter and the use thereof in a multi-bit delta-sigma analog/digital converter |
| 04/19/2001 | WO2001028103A1 Common mode shift in downstream integrators of high order delta sigma modulators |
| 04/19/2001 | WO2001028094A1 Open loop supply independent digital/logic delay circuit and method |
| 04/12/2001 | WO2001026416A2 High performance audio transmission channel |
| 04/11/2001 | EP1091534A1 High efficiency transmission channel |
| 04/11/2001 | CN1291003A 信号处理电路 The signal processing circuit |
| 04/10/2001 | US6215434 Method for converting an analog input signal into a digital output signal an arrangement for performing such method and an image comprising such arrangements |
| 04/04/2001 | EP1088397A1 Sigma-delta analog-to-digital converter |
| 04/04/2001 | CN1290427A 无线电接收机 Radio receiver |
| 04/04/2001 | CN1290065A Orthogonal modulator with integrated distributive resistance-capacitance filter |
| 04/04/2001 | CN1290064A Orthogonal modulator with integrated distributive resistance-capacitance filter |
| 04/03/2001 | US6211805 Noise shaping dynamic element mismatch in analog to digital converters |
| 03/29/2001 | WO2001022582A1 Fir filter utilizing programmable shifter |
| 03/28/2001 | EP1087490A1 Electrical protection device with a sigma-delta analog-to-digital converter |
| 03/27/2001 | US6208279 Single-cycle oversampling analog-to-digital converter |
| 03/27/2001 | US6208189 Beamformed ultrasonic imager with delta-sigma feedback control |
| 03/22/2001 | DE19937246A1 Kaskadierter Sigma-Delta-Modulator Cascaded sigma-delta modulator |
| 03/21/2001 | EP1085659A1 Current type digital to analogue converters |
| 03/20/2001 | US6205219 Call related information reception using sigma/delta modulation |
| 03/20/2001 | US6204793 Sigma-Delta CODEC system |
| 03/20/2001 | US6204789 Variable resistor circuit and a digital-to-analog converter |
| 03/20/2001 | US6204787 Circuits and methods for gain ranging in an analog modulator and systems using the same |
| 03/15/2001 | WO2001018972A2 Circuit arrangement for generating in-phase input signals for a 1-bit digital-analog converter |
| 03/15/2001 | DE19936677A1 Sigma-Delta-A/D-Wandler Sigma-delta A / D converter |
| 03/14/2001 | EP1083661A2 Noise shaping dynamic element matching in analog to digital converters |
| 03/14/2001 | EP1082813A1 Digital-to-analog convertor |
| 03/14/2001 | EP1082811A1 Pre-recorded sigma delta values for power amplifier control |
| 03/14/2001 | EP0974194A4 Capacitor array having user-adjustable, manufacturer-trimmable capacitance and method |
| 03/14/2001 | CN1063300C Quadrature modulator with integrated distributed RC filters |
| 03/13/2001 | US6201835 Frequency-shaped pseudo-random chopper stabilization circuit and method for delta-sigma modulator |
| 03/13/2001 | US6201492 Techniques for converting a plurality of channels continuously in an A/D converter |
| 03/07/2001 | EP1081863A2 Delta-sigma modulator with two-step quantization, and method for using two-step quantization in delta-sigma modulation |
| 03/07/2001 | EP1080534A2 Apparatus and method for the reduction of periodic noise in a sigma-delta modulator |
| 03/07/2001 | EP0835556A4 Method and apparatus for multiplexed oversampled analog to digital modulation |
| 03/07/2001 | CN1286854A Digital phase discrimination based on frequency sampling |
| 03/06/2001 | US6198417 Pipelined oversampling A/D converter |
| 03/06/2001 | US6197702 Fabrication process of a semiconductor integrated circuit device |
| 02/28/2001 | EP1078470A1 Recursive multi-bit adc with predictor |
| 02/27/2001 | US6194946 Method and circuit for compensating the non-linearity of capacitors |
| 02/22/2001 | DE19938802A1 Interpolation involves converting analogue input signals to narrow width data sequence using sigma delta modulation, arithmetically combining with correction values, filtering, control |
| 02/21/2001 | EP1077530A1 Method and arrangement for the conversion of an analogue signal into a digital signal with automatic gain control |
| 02/21/2001 | EP1076874A1 Method and circuit for compensating the non-linearity of capacitors |
| 02/20/2001 | US6191718 Data sampling method and device |
| 02/20/2001 | US6191715 System for calibration of a digital-to-analog converter |
| 02/15/2001 | WO2001011787A2 Sigma-delta a/d converter |
| 02/15/2001 | WO2001011786A1 Hybrid bandpass and baseband delta-sigma modulator |
| 02/15/2001 | WO2001011785A2 Cascade sigma-delta modulator |
| 02/15/2001 | DE19935666A1 Analog-Digital-Wandler für ein Signal im Gigahertz-Bereich, Millimeterwellenempfänger und Bandpaßfilter für Millimeterwellen Analog-to-digital converter for a signal in the gigahertz range, the millimeter wave receiver and millimeter wave bandpass filter |
| 02/15/2001 | CA2378981A1 Hybrid bandpass and baseband delta-sigma modulator |
| 02/13/2001 | US6188347 Analog-to-digital conversion system and method with reduced sparkle codes |
| 02/13/2001 | US6188345 High speed delta-sigma A/D converter using a quantized USM negative feedback loop |
| 02/08/2001 | WO2001010035A1 Variable order sigma - delta modulator |
| 02/08/2001 | WO2001010034A1 Bandpass modulator |
| 02/08/2001 | WO2001010033A2 Analog-to-digital converter for a signal in the gigahertz range, millimetric wave receivers and bandpass filter for millimetric waves |
| 02/08/2001 | WO2001010017A1 Break-before-make distortion compensation for a digital amplifier |
| 02/08/2001 | CA2380324A1 Break-before-make distortion compensation for a digital amplifier |
| 02/06/2001 | US6184812 Method and apparatus for eliminating clock jitter in continuous-time Delta-Sigma analog-to-digital converters |
| 02/06/2001 | US6184811 Double-sampled ΣΔ modulator of second order having a semi-bilinear architecture |
| 02/01/2001 | WO2001008311A1 Clock signal generator |
| 01/31/2001 | EP0796525B1 Sigma-delta modulator with reduced delay from input to output |
| 01/30/2001 | US6181740 Sampling system |
| 01/24/2001 | EP1071216A1 Flexible and programmable delta-sigma analog signal converter |
| 01/24/2001 | CN1281597A Receiver with sigma-delta analog-digital converter receiver |
| 01/24/2001 | CN1281596A 可编程动态范围接收机 Programmable dynamic range of the receiver |
| 01/23/2001 | US6177897 Hybrid FIR/IIR analog filter |
| 01/23/2001 | US6177896 Oversampling digital/analog converter |
| 01/18/2001 | WO2001005037A2 Sigma-delta modulator |
| 01/16/2001 | US6175322 Signal processors for one bit signals |
| 01/16/2001 | US6175321 Apparatus and method for the reduction of periodic noise in a sigma-delta modulator |
| 01/11/2001 | WO2001003312A1 Multi-standard receiving apparatus and method of defining parameters therein |