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公开(公告)号：US07388437B2
公开(公告)日：2008-06-17
申请号：US11325781
申请日：2006-01-04
CPC分类号： H03L7/18 , H03L7/0891 , H03L7/099 , H03L7/113
摘要： An apparatus for generating an output signal having a particular frequency includes an oscillator, a first tuning module, and a second tuning module. The oscillator generates an output signal associated with an output frequency. When coupled to the oscillator, the first tuning module is capable of inducing, within a first amount of time, a change in the output frequency of a particular magnitude. When coupled to the oscillator, the second tuning module is capable of inducing, within a second amount of time, a change in the output frequency of the same magnitude. The second amount of time is greater than the first amount of time. The selector couples a selected one of the first tuning module and the second tuning module to the oscillator based on a difference between a frequency-divided version of the output signal and a reference signal.
摘要翻译： 用于产生具有特定频率的输出信号的装置包括振荡器，第一调谐模块和第二调谐模块。 振荡器产生与输出频率相关联的输出信号。 当耦合到振荡器时，第一调谐模块能够在第一时间内引起特定幅度的输出频率的变化。 当耦合到振荡器时，第二调谐模块能够在第二时间内引起相同幅度的输出频率的变化。 第二个时间量大于第一个时间量。 选择器基于输出信号的分频版本与参考信号之间的差异将第一调谐模块和第二调谐模块中的选定的一个耦合到振荡器。
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公开(公告)号：US08610442B2
公开(公告)日：2013-12-17
申请号：US12419089
申请日：2009-04-06
CPC分类号： G01R27/2605
摘要： A method for detecting capacitor variation in a device comprises operating an oscillator in the device, the oscillator being an Inductive-Capacitive (LC) oscillator and including an inductor of known value and a capacitor under test, comparing an output of the oscillator to a reference output, and evaluating variation for a plurality of capacitors in the device based on the comparing.
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公开(公告)号：US20080057897A1
公开(公告)日：2008-03-06
申请号：US11513520
申请日：2006-08-31
IPC分类号： H04B1/26
CPC分类号： H03H7/0169 , H03J3/20
摘要： A system for processing a signal comprises a Radio Frequency (RF) signal tuner, one or more filters in a signal path of the RF tuner each based on Inductive/Capacitive (LC) circuitry, a variation unit operable to measure a variation of the LC circuitry, and a frequency control unit adapted to adjust the one or more filters based on the LC variation during operation of the tuner.
摘要翻译： 用于处理信号的系统包括射频（RF）信号调谐器，每个RF调谐器的信号路径中的一个或多个滤波器基于感应/电容（LC）电路，变化单元，可操作以测量LC的变化 电路和频率控制单元，其适于在调谐器的操作期间基于LC变化调整一个或多个滤波器。
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公开(公告)号：US07636559B2
公开(公告)日：2009-12-22
申请号：US11513520
申请日：2006-08-31
IPC分类号： H04B1/26
CPC分类号： H03H7/0169 , H03J3/20
摘要： A system for processing a signal comprises a Radio Frequency (RF) signal tuner, one or more filters in a signal path of the RF tuner each based on Inductive/Capacitive (LC) circuitry, a variation unit operable to measure a variation of the LC circuitry, and a frequency control unit adapted to adjust the one or more filters based on the LC variation during operation of the tuner.
摘要翻译： 用于处理信号的系统包括射频（RF）信号调谐器，每个RF调谐器的信号路径中的一个或多个滤波器基于感应/电容（LC）电路，变化单元，可操作以测量LC的变化 电路和频率控制单元，其适于在调谐器的操作期间基于LC变化调整一个或多个滤波器。
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公开(公告)号：US07619421B2
公开(公告)日：2009-11-17
申请号：US11513521
申请日：2006-08-31
CPC分类号： G01R27/2605
摘要： A method for detecting capacitor variation in a device comprises operating an oscillator in the device, the oscillator being an Inductive-Capacitive (LC) oscillator and including an inductor of known value and a capacitor under test, comparing an output of the oscillator to a reference output, and evaluating variation for a plurality of capacitors in the device based on the comparing.
摘要翻译： 一种用于检测装置中的电容器变化的方法包括在该装置中操作振荡器，振荡器是感应电容（LC）振荡器，并且包括已知值的电感器和被测电容器，将振荡器的输出与参考 基于该比较来输出和评估装置中的多个电容器的变化。
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公开(公告)号：US20090189619A1
公开(公告)日：2009-07-30
申请号：US12419089
申请日：2009-04-06
IPC分类号： G01R27/26
CPC分类号： G01R27/2605
摘要： A method for detecting capacitor variation in a device comprises operating an oscillator in the device, the oscillator being an Inductive-Capacitive (LC) oscillator and including an inductor of known value and a capacitor under test, comparing an output of the oscillator to a reference output, and evaluating variation for a plurality of capacitors in the device based on the comparing.
摘要翻译： 一种用于检测装置中的电容器变化的方法包括在该装置中操作振荡器，振荡器是感应电容（LC）振荡器，并且包括已知值的电感器和被测电容器，将振荡器的输出与参考 基于该比较来输出和评估装置中的多个电容器的变化。
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公开(公告)号：US20080068108A1
公开(公告)日：2008-03-20
申请号：US11513521
申请日：2006-08-31
IPC分类号： H03B5/08
CPC分类号： G01R27/2605
摘要： A method for detecting capacitor variation in a device comprises operating an oscillator in the device, the oscillator being an Inductive-Capacitive (LC) oscillator and including an inductor of known value and a capacitor under test, comparing an output of the oscillator to a reference output, and evaluating variation for a plurality of capacitors in the device based on the comparing.
摘要翻译： 一种用于检测装置中的电容器变化的方法包括在该装置中操作振荡器，振荡器是感应电容（LC）振荡器，并且包括已知值的电感器和被测电容器，将振荡器的输出与参考 基于该比较来输出和评估装置中的多个电容器的变化。
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公开(公告)号：US20070273424A1
公开(公告)日：2007-11-29
申请号：US11442643
申请日：2006-05-26
IPC分类号： H03L5/00
CPC分类号： H03G1/0088 , H03G3/001 , H03H7/25
摘要： An attenuator system includes a first adjustable impedance component on a first current path between a input component and a output component, and a second adjustable impedance component between the first current path and ground, wherein each of the first and second adjustable impedance components include a plurality of selectable, discrete legs, each leg having an impedance.
摘要翻译： 衰减器系统包括在输入部件和输出部件之间的第一电流通路上的第一可调阻抗部件和第一电流通路与接地之间的第二可调阻抗部件，其中第一和第二可调阻抗部件中的每一个包括多个 的可选择的离散腿，每个腿具有阻抗。
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9.发明授权Systems and methods providing multi-path low noise amplifiers with seamless switching 有权提供无缝切换的多路径低噪声放大器的系统和方法公开(公告)号：US08351887B2
公开(公告)日：2013-01-08
申请号：US12632648
申请日：2009-12-07
IPC分类号： H04B7/00
CPC分类号： H03F1/0277 , H03F1/0261 , H03F3/195 , H03F3/68 , H03F3/72 , H03F2200/294 , H03F2200/336 , H03F2200/375 , H03F2200/411 , H03F2200/432 , H03F2200/451 , H03G3/3068
摘要： Systems and methods which provide a multimode tuner architecture implementing direct frequency conversion are shown. Embodiments provide a highly integrated configuration wherein low noise amplifier, tuner, analog and digital channel filter, and analog demodulator functionality are provided in a single integrated circuit. A LNA of embodiments implements a multi-path configuration with seamless switching to provide desired gain control while meeting noise and linearity design parameters. Embodiments of the invention implement in-phase and quadrature (IQ) equalization and a multimode channelization filter architecture to facilitate the use of direct frequency conversion. Embodiments implement spur avoidance techniques for improving tuner system operation and output using a clock signal generation architecture in which a system clock, sampling clock frequencies, local oscillator (LO) reference clock frequencies, and/or the like are dynamically movable.
摘要翻译： 示出了提供实现直接频率转换的多模调谐器架构的系统和方法。 实施例提供高度集成的配置，其中在单个集成电路中提供低噪声放大器，调谐器，模拟和数字信道滤波器以及模拟解调器功能。 实施例的LNA实现具有无缝切换的多路径配置，以在满足噪声和线性设计参数的同时提供期望的增益控制。 本发明的实施例实现了同相和正交（IQ）均衡和多模信道化滤波器架构，以便于直接频率转换的使用。 实施例实现了使用其中系统时钟，采样时钟频率，本地振荡器（LO）参考时钟频率等等是可动态移动的时钟信号生成架构来改进调谐器系统操作和输出的杂散避免技术。
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公开(公告)号：US08279101B1
公开(公告)日：2012-10-02
申请号：US12944563
申请日：2010-11-11
IPC分类号： H03M1/12
CPC分类号： H03M1/0827 , H03M1/1245
摘要： High conversion rates are achieved in an analog to digital converter by tailoring the substrate type to specific operational elements of the converter. Embodiments place sample and hold processing circuitry on a substrate type having properties that allow for faster processing at high sampling/clock frequencies. Other operational elements of the converter are constructed on at least one other substrate type in keeping with the remainder of the circuitry for which the converter is being implemented. The sample and hold substrate may be implemented on any material which is capable of faster processing, such as silicon germanium, gallium arsenide, silicon bipolar, BiCMOS, and the like. Other portions may be implemented on a more CMOS substrate. Such systems and methods are able to implement analog-to digital conversion for broadband signals at high speeds without the need for extensive timing compensation, while also avoiding problems due to noise from further digital processing circuitry.
摘要翻译： 通过将基板类型调整到转换器的特定操作元件，可以在模数转换器中实现高转换率。 实施例将采样和保持处理电路放置在具有允许在高采样/时钟频率下更快处理的特性的衬底类型上。 转换器的其它操作元件构造在至少一种其他衬底类型上，以保持正在实现转换器的电路的其余部分。 样品和保持基板可以在能够更快处理的任何材料上实现，例如硅锗，砷化镓，双极硅，BiCMOS等。 其他部分可以在更多的CMOS衬底上实现。 这样的系统和方法能够以高速实现宽带信号的模数转换，而不需要广泛的定时补偿，同时还避免了由于来自其他数字处理电路的噪声引起的问题。
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