公开(公告)号：US20150323950A1

公开(公告)日：2015-11-12

申请号：US14272061

申请日：2014-05-07

Applicant: Stefan MARINCA ,  Gabriel BANARIE

Inventor： Stefan MARINCA ,  Gabriel BANARIE

IPC: G05F3/16

CPC classification number: G05F3/30 ,  G05F3/16

Abstract: The present disclosure relates to a method and apparatus for generating a voltage reference. More particularly the present disclosure relates to a methodology and circuitry configured to provide an output signal that combines a proportional to absolute temperature component with a complimentary to absolute temperature component to generate a stable output which is not temperature dependent.

Abstract translation: 本公开涉及一种用于产生电压参考的方法和装置。 更具体地说，本公开涉及一种被配置为提供将比例绝对温度分量与绝对温度分量组合的输出信号的方法和电路，以产生不依赖于温度的稳定输出。

公开(公告)号：US20150303887A1

公开(公告)日：2015-10-22

申请号：US14258634

申请日：2014-04-22

Applicant: Analog Devices Technology

Inventor： EBERHARD BRUNNER ,  JEFF VENUTI

IPC: H03G3/30 ,  H03F3/19 ,  H03F3/45

CPC classification number: H03G3/3042 ,  H03F3/19 ,  H03F3/4508 ,  H03F2200/336 ,  H03F2200/451 ,  H03F2203/45116 ,  H03F2203/45154 ,  H03F2203/45306 ,  H03G1/0023

Abstract: A system has a baseband gain stage to receive incoming in-phase and quadrature voltage signals and output in-phase and quadrature current signals, a mixer core arranged to receive the in-phase and quadrature current signals and output radio frequency signals, and a variable gain amplifier to receive the radio frequency signals and produce a broadband radio signal.

Abstract translation: 系统具有基带增益级，用于接收输入的同相和正交电压信号并输出​​同相和正交电流信号，混频器核被布置成接收同相和正交电流信号并输出​​射频信号，以及变量 增益放大器接收射频信号并产生宽带无线电信号。

公开(公告)号：US20150281836A1

公开(公告)日：2015-10-01

申请号：US14231192

申请日：2014-03-31

Applicant: Khiem Quang Nguyen ,  Kim Spetzler BERTHELSEN ,  Robert ADAMS

Inventor： Khiem Quang Nguyen ,  Kim Spetzler BERTHELSEN ,  Robert ADAMS

IPC: H04R3/00 ,  H03F1/32 ,  H03F3/38 ,  H03M3/00 ,  H03F3/181

CPC classification number: H04R3/00 ,  G06F3/0433 ,  H03F1/32 ,  H03F3/181 ,  H03F3/38 ,  H03F2200/03 ,  H03M3/356

Abstract: A transducer amplification circuit may include a preamplifier circuit with a signal input receiving a transducer signal to provide an amplified transducer signal comprising audible frequency components and ultrasonic frequency components. The transducer amplification circuit may include a first sigma-delta modulator configured to sample and quantize the amplified transducer signal to generate a first digital transducer signal comprising a first quantization noise signal. The first sigma-delta modulator may include a first noise transfer function having a high pass response in at least a portion of an audible frequency range to push the quantization noise signal to ultrasonic frequencies. A second sigma-delta modulator is configured to sample and quantize the amplified transducer signal to generate a second digital transducer signal comprising a second quantization noise signal. The second sigma-delta modulator may include a second noise transfer function with a magnitude minimum placed at the ultrasonic frequencies.

Abstract translation: 换能器放大电路可以包括具有接收换能器信号的信号输入的前置放大器电路，以提供包括可听频率分量和超声频率分量的放大的换能器信号。 换能器放大电路可以包括第一Σ-Δ调制器，其被配置为对放大的换能器信号进行采样和量化，以产生包括第一量化噪声信号的第一数字换能器信号。 第一Σ-Δ调制器可以包括在可听频率范围的至少一部分中具有高通响应的第一噪声传递函数，以将量化噪声信号推送到超声波频率。 第二Σ-Δ调制器被配置为对放大的换能器信号进行采样和量化，以产生包括第二量化噪声信号的第二数字换能器信号。 第二Σ-Δ调制器可以包括放大在超声波频率处的幅度最小的第二噪声传递函数。

公开(公告)号：US20150270805A1

公开(公告)日：2015-09-24

申请号：US14223650

申请日：2014-03-24

Applicant: ANALOG DEVICES GLOBAL

Inventor： Roberto S. Maurino ,  Venkata Aruna Srikanth Nittala ,  Abhilasha Kawle ,  Sanjay Rajasekhar

IPC: H03F1/02 ,  H03F3/45

CPC classification number: H03F1/02 ,  H03F1/0277 ,  H03F3/45076 ,  H03F3/45475 ,  H03F3/45968 ,  H03F2200/234 ,  H03F2203/45288

Abstract: Apparatus and methods for autozero amplifiers are provided herein. In certain configurations, an autozero amplifier includes at least three transconductance stages and an autozero timing control circuit configured to control an autozero sequence of the transconductance stages. The autozero timing control circuit can stagger autozeroing of the transconductance stages, such that a relatively small amount of the amplifier's amplification circuitry is connected to or disconnected from the amplifier's signal path at any given time. For example, in certain configurations, when one of the transconductance stages in autozeroed over a particular time interval, the remaining transconductance stages can operate in parallel to provide amplification during that time interval.

Abstract translation: 本文提供了用于自动调零放大器的装置和方法。 在某些配置中，自动调零放大器包括至少三个跨导级和被配置为控制跨导级的自动调零序列的自动调零定时控制电路。 自动调零定时控制电路可以错开跨导级的自动调零，使得相对较少量的放大器的放大电路在任何给定的时间与放大器的信号路径相连或断开。 例如，在某些配置中，当在特定时间间隔内自动归零的跨导级之一时，剩余的跨导级可以并行操作以在该时间间隔期间提供放大。

公开(公告)号：US20150249445A1

公开(公告)日：2015-09-03

申请号：US14194107

申请日：2014-02-28

Applicant: ANALOG DEVICES TECHNOLOGY

Inventor： Yunzhi Dong ,  Zhao Li ,  Richard E. Schreier ,  Hajime Shibata ,  Trevor Clifford Caldwell

IPC: H03K5/159 ,  H03M1/38 ,  H03M3/00 ,  H03M1/06

CPC classification number: H03K5/159 ,  H03M1/0626 ,  H03M1/14 ,  H03M1/145 ,  H03M1/38 ,  H03M3/414 ,  H03M3/464

Abstract: This disclosure describes techniques and methodologies of using passive continuous time (CT) delay line for high-speed CT analog-to-digital converter (ADC) applications. In a continuous-time residual producing stage common to these CT ADCs, a proper delay between the analog input and DAC output is crucial. Specifically, using an inductor-capacitor (LC) lattice based delay element to enable high-performance CT pipeline ADC and CT delta-sigma (ΔΣ) ADC. The use of an LC lattice based delay element provides wide-band group delay for continuous-time signals with well-controlled impedance. This will be an essential circuit component to build a high-performance CT ADCs especially in architectures where the generation of a low-noise and low-distortion residual between the CT signal and its digitized version is needed. LC lattice based delay element enables noise-free, distortion-free wideband delay that is required for high speed continuous-time pipeline ADC and delta-sigma ADC.

Abstract translation: 本公开描述了使用被动连续时间（CT）延迟线用于高速CT模数转换器（ADC）应用的技术和方法。 在这些CT ADC通用的连续时间残留产生阶段，模拟输入和DAC输出之间的适当延迟至关重要。 具体来说，使用电感 - 电容（LC）晶格延迟元件来实现高性能CT流水线ADC和CT delta-sigma（＆Dgr＆amp; Sgr）ADC。 使用基于LC晶格的延迟元件为具有良好控制的阻抗的连续时间信号提供宽带群延迟。 这将是构建高性能CT ADC的重要电路元件，特别是在需要CT信号与其数字化版本之间产生低噪声和低失真残差的架构中。 基于LC晶格的延迟元件实现了高速连续时间流水线ADC和Δ-ΣADC所需的无噪声，无失真的宽带延迟。

公开(公告)号：US20150234414A1

公开(公告)日：2015-08-20

申请号：US14182877

申请日：2014-02-18

Applicant: Stefan Marinca

Inventor： Stefan Marinca

IPC: G05F3/26 ,  G05F3/30

CPC classification number: G05F3/262 ,  G05F3/30

Abstract: A proportional to absolute temperature (PTAT) circuit is provided. By judiciously combining circuit elements into two or more cell it is possible to effectively dump bias current into impedance resistive element of a first cell from other cells of the circuit. As a result the circuit as a whole can operate with smaller resistive elements and therefore occupy less area when implemented in silicon. It is also possible to reduce the supply current that is required for providing specific output currents or voltages.

Abstract translation: 提供与绝对温度（PTAT）电路成比例的电路。 通过明智地将电路元件组合成两个或更多个单元，可以有效地将偏置电流从电路的其他单元转移到第一单元的阻抗电阻元件。 结果，电路整体可以用更小的电阻元件工作，因此在硅中实现时占用较少的面积。 还可以减少提供特定输出电流或电压所需的电源电流。

公开(公告)号：US20150211915A1

公开(公告)日：2015-07-30

申请号：US14165971

申请日：2014-01-28

Applicant: ANALOG DEVICES TECHNOLOGY

Inventor： James E. Scarlett ,  Thomas G. O'Dwyer ,  Christopher W. Hyde

IPC: G01F23/26

CPC classification number: G01F23/263 ,  G01F23/266 ,  G01F23/268 ,  G01N35/1011 ,  G01N2035/1025

Abstract: Various methods and systems are provided to control a probe moving towards fluid held in a container. The probe is moved towards the fluid to take a sample of the fluid in the container. To take a sample, probe is actuated to hit the fluid surface and to pass the fluid surface by a predetermined distance. Capacitive sensing which incorporates the probe itself is used to support an approach engine for controlling the motion of the probe. The approach engine determines the speed of the probe based on capacitance measurements, and in some cases based on position information of the probe. The approach engine ensures the probe hits the surface of the fluid in the container in order to take a sample while ensuring the probe does not hit the bottom of the container.

Abstract translation: 提供了各种方法和系统来控制朝向容纳在容器中的流体移动的探头。 探针朝向流体移动，以将容器中的流体样本取样。 为了取样，启动探针以撞击流体表面并使流体表面通过预定距离。 采用探头本身的电容感测用于支持用于控制探头运动的进场引擎。 方法引擎基于电容测量来确定探针的速度，并且在某些情况下基于探针的位置信息来确定探针的速度。 进近引擎确保探针撞击容器中流体的表面，以便在确保探头未碰到容器底部的同时取样。

公开(公告)号：US20150160680A1

公开(公告)日：2015-06-11

申请号：US14103220

申请日：2013-12-11

Applicant: Stefan MARINCA

Inventor： Stefan MARINCA

IPC: G05F3/30

CPC classification number: G05F3/30

Abstract: A proportional to absolute temperature, PTAT, circuit is provided. By judiciously combining circuit elements it is possible to generate a voltage at an output node of the circuit that is temperature dependent. Such a PTAT circuit can be used as a temperature sensor or can be combined with other temperature dependent circuits to provide a voltage reference.

Abstract translation: 提供与绝对温度成比例的PTAT电路。 通过明智地组合电路元件，可以在电路的输出节点处产生与温度有关的电压。 这样的PTAT电路可以用作温度传感器，或者可以与其他与温度相关的电路组合以提供电压参考。

公开(公告)号：US20150139283A1

公开(公告)日：2015-05-21

申请号：US14085443

申请日：2013-11-20

Applicant: Analog Devices Technology

Inventor： Michael Dalton

IPC: H04L7/00 ,  H04L7/06 ,  H04L27/00

CPC classification number: H04L7/0087 ,  H04B1/38 ,  H04L7/042 ,  H04L7/06 ,  H04L27/0014 ,  H04L2027/0036 ,  H04L2027/0095

Abstract: A method for detecting a preamble in a received radio signal comprises demodulating a received radio signal based on a carrier derived from a local timing source to provide a digital signal comprising a sequence of bits oscillating at approximately a modulated data rate. A bit width of each successive bit of the digital signal is determined. If a pair of consecutive bit widths have a combined width within a threshold value, the bit pair is indicated as potentially belonging to a preamble. If a threshold number of potential preamble bit pairs in a sequence of bit pairs within a given window is detected, the sequence of bit pairs is indicated as potentially comprising a preamble. A measure of bit widths of at least some bits within a sequence of preamble bit pairs can be provided and a frequency of the local timing source can be adjusted according to said measure.

Abstract translation: 用于检测接收到的无线电信号中的前同步码的方法包括基于从本地定时源导出的载波来解调所接收的无线电信号，以提供包括以大约调制数据速率振荡的比特序列的数字信号。 确定数字信号的每个连续位的位宽度。 如果一对连续比特宽度具有在阈值内的组合宽度，则该比特对被指示为潜在地属于前导码。 如果检测给定窗口内的位对序列中的潜在前导码比特对的阈值数目，则将该比特对的序列指示为潜在地包括前导码。 可以提供在前导码比特对序列内的至少一些比特的比特宽度的度量，并且可以根据所述测量来调整本地定时源的频率。

公开(公告)号：US20150136853A1

公开(公告)日：2015-05-21

申请号：US14086793

申请日：2013-11-21

Applicant: ANALOG DEVICES TECHNOLOGY

Inventor： Joseph Wayne Palmer ,  Paul Vincent Errico ,  Liam Patrick Riordan ,  Juan Francisco Escobar Valero

IPC: G06K7/08 ,  G06K19/067

CPC classification number: G06K7/081 ,  G06K19/067

Abstract: A low-cost system comprising a pattern arranged to encode information and a decoder for decoding the information encoded in the pattern is described. In particular, the mechanism employs a capacitive sensing technique. Electrodes are arranged (or stimulated, during operation) to each generate an electric field, and sense disturbances on the electric field caused by the pattern when the pattern is positioned over the electrodes. The spatial arrangement of the pattern allows information to be encoded on a strip or surface and decoded by capacitive sensors arranged to detect disturbances caused by possible patterns. The resulting solution is cheaper and less complex than optical solutions, e.g., barcodes and optical barcode readers. The mechanism may be used in a glucose meter for encoding and decoding an identifier for distinguishing batches of glucose meter test strips.

Abstract translation: 描述了一种低成本系统，其包括布置成编码信息的模式和用于解码在模式中编码的信息的解码器。 特别地，该机构采用电容感测技术。 电极被布置（或在操作期间被刺激）以产生电场，并且当图案位于电极上方时，感测由图案引起的电场上的扰动。 模式的空间排列允许将信息编码在条带或表面上，并通过布置成检测由可能图案引起的干扰的电容传感器进行解码。 所得到的解决方案比诸如条形码和光学条形码读取器的光学解决方案更便宜并且更不复杂。 该机制可以用于葡萄糖计中，用于编码和解码用于区分葡萄糖计测试条的批次的标识符。