| Patents for H03M 3 - Conversion of analogue values to or from differential modulation (7,070) |
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| 10/21/2008 | US7439890 ΔΣ analog to digital converter system with automatic gain control responsive to out-of-band interferers |
| 10/21/2008 | US7439889 AD converter |
| 10/16/2008 | WO2008123786A2 Method and apparatus for analog-to-digital conversion using asynchronous sigma-delta modulation |
| 10/16/2008 | WO2008011274A9 Method for mixing signals with an analog-to-digital converter |
| 10/16/2008 | US20080252502 Delta-sigma ad converter apparatus using delta-sigma modulator circuit provided with reset circuit resetting integrator |
| 10/16/2008 | US20080252501 Integrated circuit arrangement comprising at least one digital-analogue converter |
| 10/15/2008 | EP1980021A1 Continuous-time sigma-delta analog-to-digital converter with capacitor and/or resistance digital self-calibration means for rc spread compensation |
| 10/15/2008 | EP1504532B1 High precision analog to digital converter |
| 10/15/2008 | EP1145449B1 Hardware-efficient transceiver with delta-sigma digital-to-analog converter |
| 10/15/2008 | CN100426677C Low capacitance, low kickback noise input stage of a multi-level quantizer with dithering and multi-threshold generation for a multi-bit sigma-delta modulator |
| 10/14/2008 | US7436338 Current mode sigma-delta modulator |
| 10/14/2008 | US7436337 Transmitter digital-to-analog converter with noise shaping |
| 10/14/2008 | US7436336 Analog digital converter (ADC) having improved stability and signal to noise ratio (SNR) |
| 10/14/2008 | CA2401893C Digital-to-analog interface circuit having adjustable time response |
| 10/09/2008 | US20080246640 Hardware-efficient reconstruction for periodic non-uniformly sampled signals |
| 10/09/2008 | DE102007015008A1 Digitaler Verstärker mit analoger Fehlerkorrekturschaltung Digital amplifier with analog error correction circuit |
| 10/07/2008 | US7432842 Multi-channel pulse width modulated signal interleave and inversion |
| 10/07/2008 | US7432841 Delta-sigma analog-to-digital converter with pipelined multi-bit quantization |
| 10/07/2008 | US7432840 Multi-bit sigma/delta converter |
| 10/07/2008 | CA2354623C Method and apparatus for eliminating clock jitter in continuous-time delta-sigma analog-to-digital converters |
| 10/07/2008 | CA2312958C Programmable dynamic range receiver |
| 10/02/2008 | WO2008118279A1 Low-delay signal processing based on highly oversampled digital processing |
| 10/02/2008 | US20080238746 System and method for common mode translation |
| 10/01/2008 | EP1976127A1 Digital reception device |
| 10/01/2008 | CN101277111A Dither circuit and analog digital converter having dither circuit |
| 09/30/2008 | US7429941 Stabilization of sigma-delta converters |
| 09/30/2008 | US7429940 Delta-sigma modulator circuit with limiter and method therefor |
| 09/30/2008 | CA2459180C Multi-bit delta-sigma analog-to-digital converter with error shaping |
| 09/25/2008 | WO2008115166A1 Programmable loop filter for use with a sigma delta analog-to-digital converter |
| 09/25/2008 | WO2008114236A2 A power amplifier |
| 09/24/2008 | CN101273530A Methods and apparatus for implementing and/or using amplifiers and/or for performing various amplification related operations |
| 09/24/2008 | CN101273529A System and method for adjusting dither in a delta sigma modulator |
| 09/18/2008 | WO2008112348A1 Mixer/dac chip and method |
| 09/17/2008 | CN101268617A Sigma delta modulators |
| 09/17/2008 | CN101267413A RF transmission method and system and vibration wave generator, sigma-delta modulator and mobile terminal |
| 09/17/2008 | CN101267208A A simulation low-pass filter |
| 09/16/2008 | US7425911 Signal-to-noise ratio when using fewer bits than the number of output bits of an analog to digital converter |
| 09/16/2008 | US7425910 Transmitter digital-to-analog converter with noise shaping |
| 09/11/2008 | US20080218393 A-d converter and a-d convert method |
| 09/11/2008 | US20080218392 Signal Receiver and Mobile Communication Device |
| 09/10/2008 | EP1966894A2 Architecture combining a continuous-time stage with a switched-capacitor stage for digital-to-analog converters and low-pass filters |
| 09/10/2008 | CN101263657A Oversampling analog-to-digital converter and method with reduced chopping residue noise |
| 09/10/2008 | CN101262228A Automatic clock detection frequency divider for audio digit/analog converter and its use method |
| 09/10/2008 | CN101262227A Audio digit/analog converter with automatic detection of master/slave clock mode |
| 09/10/2008 | CN101262226A Delta sigma-type AD converter, class-D amplifier, and DC-DC converter |
| 09/10/2008 | CN101262225A Lock phase loop frequency mixer |
| 09/09/2008 | US7423568 Sigma delta modulator |
| 09/09/2008 | US7423567 Analog-to-digital converter (ADC) having a reduced number of quantizer output levels |
| 09/09/2008 | US7423566 Sigma-delta modulator using a passive filter |
| 09/04/2008 | WO2007067849A8 Extended dynamic range consecutive edge modulation (cem) method and apparatus |
| 09/04/2008 | US20080211578 Delta Sigma-Type AD converter, class-D amplifier, and DC-DC converter |
| 09/03/2008 | EP1965496A2 Delta-sigma type ad converter, class-d amplifier, and dc-dc coverter |
| 09/03/2008 | CN101258683A Digital-to-analog converter of the finite impulse response type |
| 09/03/2008 | CN101257303A Sigma-Delta modulator clock control circuit in Sigma-Delta decimal fraction frequency synthesizer |
| 09/02/2008 | US7420494 Mismatch shaping Δ-Σ analog to digital converter system |
| 09/02/2008 | US7420493 Extended range delta-sigma modulator and delta-sigma power converter |
| 09/02/2008 | US7420485 Sigma-delta modulator and method for sigma-delta modulation |
| 08/28/2008 | WO2008102091A2 Method for processing a digital signal in a digital delta-sigma modulator, and digital delta-sigma modulator therefor |
| 08/28/2008 | WO2008011274A3 Method for mixing signals with an analog-to-digital converter |
| 08/28/2008 | US20080204290 Programmable analog-to-digital converter for low-power dc-dc smps |
| 08/27/2008 | EP1961115A1 Electronic circuit with compensation of intrinsic offset of differential pairs |
| 08/27/2008 | CN101252359A Continues time domain high order Sigma-Delta modulation module and modulation method |
| 08/27/2008 | CN101252347A High precision matching circuit based on digital modulation |
| 08/26/2008 | US7418062 Image reject circuit using sigma-delta conversion |
| 08/26/2008 | US7417573 Sigma-delta circuit and related method with time sharing architecture |
| 08/21/2008 | US20080198052 Filter applied in sigma-delta modulator and filtering method thereof |
| 08/21/2008 | US20080198050 Delta-sigma modulator and da converter apparatus including delta-sigma modulator changing order of filter |
| 08/20/2008 | CN101248580A Anti-resonance counteraction in resonator |
| 08/20/2008 | CN101247129A Signal processing method |
| 08/20/2008 | CN101247127A Switching type capacitor D/A converter |
| 08/20/2008 | CN101247126A Bandwidth tunable sigma-delta adc modulator |
| 08/19/2008 | US7415493 Asynchronous sampling rate conversion |
| 08/19/2008 | US7414557 Method and apparatus for feedback signal generation in sigma-delta analog-to-digital converters |
| 08/19/2008 | US7413342 DRAM temperature measurement system |
| 08/13/2008 | EP1956717A2 Signal interface circuit |
| 08/13/2008 | CN100411303C Method and apparatus for transformation from impulse code modulation to impulse-width modulation |
| 08/12/2008 | US7412257 Extending mobile phone networks |
| 08/12/2008 | US7411934 Packetized audio data operations in a wireless local area network device |
| 08/07/2008 | US20080186218 Signal processing apparatus and signal processing method |
| 08/07/2008 | US20080186217 Low pin count high speed interface for video and audio codec applications |
| 08/06/2008 | CN100409575C Rapid multiplexing analog to digital converter |
| 08/05/2008 | US7409120 Integrated circuit for programmable optical delay |
| 08/05/2008 | US7408494 Continuous-time delta-sigma analog digital converter |
| 08/05/2008 | US7408492 A/D converter for wideband digital communication |
| 08/05/2008 | US7408397 Digital-to-analog converter with programmable floating gate |
| 07/31/2008 | WO2008090747A1 Σ-δ type analog-to-digital (ad) converter and angular velocity sensor using same |
| 07/31/2008 | US20080180291 Systems and methods for kickback reduction in an adc |
| 07/30/2008 | EP1949539A1 A signal processing circuit comprising a sigma delta analog to digital converter |
| 07/30/2008 | CN101231843A Sound reproducing device and method |
| 07/30/2008 | CN100407583C 可编程动态范围接收机 Programmable dynamic range of the receiver |
| 07/30/2008 | CN100407580C 带有数字-模拟转换器的电路 With digital - analog converter circuit. |
| 07/29/2008 | US7405687 Continuous-time delta-sigma analog digital converter |
| 07/29/2008 | US7405686 Methods and apparatus for implementing and/or using amplifiers and/or for performing various amplification related operations |
| 07/29/2008 | US7405685 Negative contributive offset compensation in a transmit buffer utilizing inverse clocking |
| 07/29/2008 | US7405629 Frequency modulator, circuit, and method that uses multiple vector accumulation to achieve fractional-N frequency synthesis |
| 07/24/2008 | WO2008009007A3 Multi-carrier receiver for wireless communication |
| 07/24/2008 | US20080175333 Method and system for digital to analog conversion for power amplifier driver amplitude modulation |
| 07/24/2008 | DE102004031153B4 Hochauflösender Sigma-Delta-Wandler High-resolution Sigma-Delta converter |
| 07/23/2008 | EP1946445A1 Blue-noise-modulated sigma-delta analog-to-digital converter |
| 07/23/2008 | CN101227189A Frequency synthesizer and frequency calibration method |