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1. 发明申请

WO2011156379A3 RESONATOR CIRCUIT AND AMPLIFIER CIRCUIT 审中-公开
公开(公告)号：WO2011156379A3
公开(公告)日：2011-12-15
申请号：PCT/US2011/039451
申请日：2011-06-07
申请人： CORNELL UNIVERSITY , AFSHARI, Ehsan , LEE, Wooram
发明人： AFSHARI, Ehsan , LEE, Wooram
IPC分类号： H03B5/18 , H01P7/00 , H03F1/26
摘要： A passive frequency divider in a CMOS process. More specifically, an electrical distributed parametric oscillator to realize a passive CMOS frequency divider with low phase noise. Instead of using active devices, which are the main sources of noise and power consumption, an oscillation at half of the input frequency is sustained by the parametric process based on nonlinear interaction with the input signal. For example, one embodiment is a 20 GHz frequency divider utilizing a CMOS varactor and made in a 0.13 μιτι CMOS process. In this embodiment: (i) without any dc power consumption, 600 mV differential output amplitude can be achieved for an input amplitude of 600 mV; and (ii) the input frequency ranged from 18.5 GHz to 23.5 GHz with varactor tuning. In this embodiment, the output phase noise is almost 6 dB lower than that of the input signal for all offset frequencies up to 1 MHz. Also, a resonant parametric amplifier with a low noise figure (NF) by exploiting the noise squeezing effect. Noise squeezing occurs through the phase- sensitive amplification process and suppresses one of two quadrature components in input noise. When the input signal is only in the direction of the non-suppressed quadrature component, squeezing can lower that NF by almost 3 dB. The resonant structure of the proposed amplifier achieves the squeezing effect using a low number of LC elements.

2. 发明申请

WO2011156379A2 RESONATOR CIRCUIT AND AMPLIFIER CIRCUIT 审中-公开
标题翻译：谐振器电路和放大器电路
公开(公告)号：WO2011156379A2
公开(公告)日：2011-12-15
申请号：PCT/US2011039451
申请日：2011-06-07
申请人： UNIV CORNELL , AFSHARI EHSAN , LEE WOORAM
发明人： AFSHARI EHSAN , LEE WOORAM
IPC分类号： H03B5/18 , H01P7/00 , H03F1/26
CPC分类号： H03F7/04 , H03B19/00 , H03G3/00
摘要： A passive frequency divider in a CMOS process. More specifically, an electrical distributed parametric oscillator to realize a passive CMOS frequency divider with low phase noise. Instead of using active devices, which are the main sources of noise and power consumption, an oscillation at half of the input frequency is sustained by the parametric process based on nonlinear interaction with the input signal. For example, one embodiment is a 20 GHz frequency divider utilizing a CMOS varactor and made in a 0.13 µ?t? CMOS process. In this embodiment: (i) without any dc power consumption, 600 mV differential output amplitude can be achieved for an input amplitude of 600 mV; and (ii) the input frequency ranged from 18.5 GHz to 23.5 GHz with varactor tuning. In this embodiment, the output phase noise is almost 6 dB lower than that of the input signal for all offset frequencies up to 1 MHz. Also, a resonant parametric amplifier with a low noise figure (NF) by exploiting the noise squeezing effect. Noise squeezing occurs through the phase- sensitive amplification process and suppresses one of two quadrature components in input noise. When the input signal is only in the direction of the non-suppressed quadrature component, squeezing can lower that NF by almost 3 dB. The resonant structure of the proposed amplifier achieves the squeezing effect using a low number of LC elements.
摘要翻译： CMOS工艺中的无源分频器。更具体地说，一种电分布参数振荡器来实现具有低相位噪声的无源CMOS分频器。不是使用主要的噪声和功耗来源的有源器件，而是通过基于与输入信号的非线性相互作用的参数化过程来维持输入频率的一半的振荡。例如，一个实施例是使用CMOS变容二极管的20GHz分频器，其制造为0.13μΩ- CMOS工艺。在本实施例中：（i）没有任何直流功率消耗，600mV的输入振幅可达到600mV差分输出幅度; 和（ii）变容二极管调谐时，输入频率范围为18.5 GHz至23.5 GHz。在本实施例中，对于高达1MHz的所有偏移频率，输出相位噪声比输入信号的输出相位噪声差6dB左右。此外，通过利用噪声挤压效应，具有低噪声系数（NF）的谐振参量放大器。噪声挤压发生在相位敏感放大过程中，并抑制输入噪声中的两个正交分量之一。当输入信号仅在非抑制正交分量的方向时，挤压可将NF降低近3dB。所提出的放大器的谐振结构使用低数量的LC元件实现了挤压效应。

3. 发明申请

WO2007035956A1 ELECTRICAL FUNNEL: A NOVEL BROADBAND SIGNAL COMBINING METHOD 审中-公开
标题翻译：电动飞机：新型宽带信号组合方法
公开(公告)号：WO2007035956A1
公开(公告)日：2007-03-29
申请号：PCT/US2006/037376
申请日：2006-09-22
申请人： CALIFORNIA INSTITUTE OF TECHNOLOGY , AFSHARI, Ehsan , HAJIMIRI, Seyed Ali
发明人： AFSHARI, Ehsan , HAJIMIRI, Seyed Ali
IPC分类号： H01P5/02 , H03H7/52 , H03H7/48 , H03H11/36
CPC分类号： H01P5/02 , H01P5/12
摘要： An electrical signal transformation device (100) configured for emulation of physical, for example, optical, phenomena and/or a mathematical or logical process. The device employs a first plurality (X oriented Li j ) , second plurality (Y oriented Lij) and third plurality (Cij) of electrical components each having a first terminal and a second terminal. The first plurality and second plurality of electrical components are arranged along a first direction (X) and a second direction (Y) respectively, to form a planar two dimensional lattice (110) . The first plurality of electrical components (X oriented Lij) are configured to provide at least one of a constant signal propagation velocity and/or amplitude while the second plurality of electrical components (Y oriented Lij ) are configured to provide at least one of a varying signal propagation velocity and/or amplitude. The lattice includes at least two input signal nodes and at least one output signal node and is configured to transform and communicate a plurality of input signals from the input node to the output node .
摘要翻译：一种电信号变换装置（100），被配置用于仿真物理，例如光学，现象和/或数学或逻辑过程。该装置采用分别具有第一端子和第二端子的第一多个（X取向Li j），第二多个（Y取向Lij）和第三多个（Cij）电气部件。第一多个和第二多个电气部件分别沿着第一方向（X）和第二方向（Y）布置，以形成平面二维网格（110）。第一组多个电组件（X取向Lij）被配置成提供恒定的信号传播速度和/或振幅中的至少一个，而第二组多个电组件（Y定向的Lij）被配置成提供至少一个变化的信号传播速度和/或振幅。晶格包括至少两个输入信号节点和至少一个输出信号节点，并且被配置为将多个输入信号从输入节点变换和传送到输出节点。

4. 发明申请

WO2011156379A8 RESONATOR CIRCUIT AND AMPLIFIER CIRCUIT 审中-公开
标题翻译：谐振器电路和放大器电路
公开(公告)号：WO2011156379A8
公开(公告)日：2012-04-19
申请号：PCT/US2011039451
申请日：2011-06-07
申请人： UNIV CORNELL , AFSHARI EHSAN , LEE WOORAM
发明人： AFSHARI EHSAN , LEE WOORAM
IPC分类号： H03B5/18 , H01P7/00 , H03F1/26
CPC分类号： H03F7/04 , H03B19/00 , H03G3/00
摘要： A passive frequency divider in a CMOS process. More specifically, an electrical distributed parametric oscillator to realize a passive CMOS frequency divider with low phase noise. Instead of using active devices, which are the main sources of noise and power consumption, an oscillation at half of the input frequency is sustained by the parametric process based on nonlinear interaction with the input signal. For example, one embodiment is a 20 GHz frequency divider utilizing a CMOS varactor and made in a 0.13 µ?t? CMOS process. In this embodiment: (i) without any dc power consumption, 600 mV differential output amplitude can be achieved for an input amplitude of 600 mV; and (ii) the input frequency ranged from 18.5 GHz to 23.5 GHz with varactor tuning. In this embodiment, the output phase noise is almost 6 dB lower than that of the input signal for all offset frequencies up to 1 MHz. Also, a resonant parametric amplifier with a low noise figure (NF) by exploiting the noise squeezing effect. Noise squeezing occurs through the phase- sensitive amplification process and suppresses one of two quadrature components in input noise. When the input signal is only in the direction of the non-suppressed quadrature component, squeezing can lower that NF by almost 3 dB. The resonant structure of the proposed amplifier achieves the squeezing effect using a low number of LC elements.
摘要翻译： CMOS工艺中的无源分频器。更具体地说，是一种电气分布参量振荡器，用于实现具有低相位噪声的无源CMOS分频器。基于与输入信号的非线性相互作用，通过参数化过程维持输入频率一半的振荡，而不是使用有源器件（噪声和功耗的主要来源）。例如，一个实施例是使用CMOS变容二极管的20GHz分频器，并且制造成0.13μΩ？ CMOS工艺。在该实施例中：（i）在没有任何直流功耗的情况下，对于600mV的输入幅度可以实现600mV的差分输出幅度; 和（ii）输入频率范围从18.5 GHz到23.5 GHz，并进行变容二极管调谐。在该实施例中，对于高达1MHz的所有偏移频率，输出相位噪声比输入信号的相位差近6dB。此外，通过利用噪声压缩效应，具有低噪声系数（NF）的谐振参量放大器。通过相敏放大过程发生噪声压缩，并抑制输入噪声中的两个正交分量之一。当输入信号仅处于非抑制正交分量的方向时，压缩可以将NF降低近3 dB。所提出的放大器的谐振结构使用少量的LC元件实现了压缩效应。

5. 发明申请

WO2009143158A1 GENERATION OF HIGH-FREQUENCY, HIGH-POWER ELECTRICAL SIGNALS FROM LOW-FREQUENCY, LOW-POWER LATTICE NETWORK STRUCTURES AS SOURCES 审中-公开
标题翻译：从低频，低功耗的网络结构作为源的高频电力信号的生成
公开(公告)号：WO2009143158A1
公开(公告)日：2009-11-26
申请号：PCT/US2009/044527
申请日：2009-05-19
申请人： CORNELL UNIVERSITY , AFSHARI, Ehsan , BHAT, Harish
发明人： AFSHARI, Ehsan , BHAT, Harish
IPC分类号： H04B1/28
CPC分类号： H01P1/20 , H03F1/565 , H03F3/602 , H03F2200/222 , H03H7/48
摘要： An apparatus (100, 100a-g, 200) and method for outputting high-frequency, high-power signals from low-frequency, low-power input is disclosed. The apparatus (100, 100a-g, 200) and method may provide a two-dimensional nonlinear lattice (100, 100a-g) having a plurality of inductors (102, 102a-f) and voltage-dependent capacitors (104, 104a-f) intersecting at a plurality of nodes (106, 106a-f). Two or more adjacent boundaries of the nonlinear lattice (100, 100a-g) may be provided with input signals which constructively interfere to output a signal of substantially higher amplitude and higher frequency than those of the input signals.
摘要翻译：公开了一种用于从低频，低功率输入输出高频高功率信号的装置（100,100a-g，200）和方法。该装置（100,100a-g，200）和方法可以提供具有多个电感器（102,102a-f）和电压相关电容器（104,104a-g）的二维非线性晶格（100,100a-g） f）在多个节点（106,106a-f）处相交。非线性晶格（100,100a-g）的两个或更多个相邻边界可以被提供有建设性地干扰以输出比输入信号的信号显着更高的幅度和更高频率的信号的输入信号。

6. 发明申请

WO2012054826A1 AN OSCILLATOR CIRCUIT AND SYSTEM 审中-公开
标题翻译：振荡器电路和系统
公开(公告)号：WO2012054826A1
公开(公告)日：2012-04-26
申请号：PCT/US2011/057276
申请日：2011-10-21
申请人： CORNELL UNIVERSITY , AFSHARI, Ehsan , LI, Guansheng
发明人： AFSHARI, Ehsan , LI, Guansheng
IPC分类号： H03B5/08 , H04B1/40
CPC分类号： H03B5/1265 , H03B5/1212 , H03B5/1225 , H03B5/1228 , H03B2200/0048 , H03B2200/005 , H03B2201/0266
摘要： The present invention is directed to a distributed dual-band oscillator suitable for low-phase-noise applications. The invention is configured to switch between the odd and even resonant modes of a fourth-order resonator. The switches used for mode selection do not conduct current and therefore do not affect the quality factor (Q) of the resonator. The benefit of this feature is relatively low phase noise.
摘要翻译：本发明涉及适用于低相位噪声应用的分布式双频振荡器。本发明被配置为在四阶谐振器的奇偶谐振模式之间切换。用于模式选择的开关不会导通电流，因此不影响谐振器的品质因数（Q）。该功能的优点是相位相对较低。

7. 发明申请

WO2011078857A1 ELECTRICAL PRISM: A HIGH QUALITY FACTOR FILTER FOR MILLIMETER-WAVE AND TERAHERTZ FREQUENCIES 审中-公开
标题翻译：电气公司：一个高质量因子滤波器，用于米勒波特和特拉法茨频率
公开(公告)号：WO2011078857A1
公开(公告)日：2011-06-30
申请号：PCT/US2009/069261
申请日：2009-12-22
申请人： CORNELL UNIVERSITY , AFSHARI, Ehsan , MOMENI, Omeed
发明人： AFSHARI, Ehsan , MOMENI, Omeed
IPC分类号： H01P1/20 , H01P1/203
CPC分类号： G02B1/007 , H01Q15/0013
摘要： Filters and methods which may be used with millimeter-wave and terahertz frequency range are disclosed. The filter (48, 54, 68) is formed as an electrical prism which may include a first lattice (10, 30) forming an interface (50, 56, 70) with a second lattice (10, 30). Each lattice (10, 30) may include a plurality of passive elements, such as inductors (12), capacitors (14), and the like. The first lattice (10, 30) may include an input (72) disposed at an input boundary (76) thereof, while the second lattice (10, 30) may include an output (74) disposed at an output boundary (78) thereof. Furthermore, the first and second lattices (10, 30) may be configured to receive a signal at the input (72) of the first lattice (10, 30), propagate the signal to the interface (50, 56, 70), and direct the signal to the outputs (74) of the second lattice (10, 30).
摘要翻译：公开了可以与毫米波和太赫兹频率范围一起使用的滤波器和方法。过滤器（48,54,68）形成为电棱镜，其可以包括形成具有第二格子（10,30）的界面（50,56,70）的第一格子（10,30）。每个晶格（10,30）可以包括多个无源元件，例如电感器（12），电容器（14）等。第一晶格（10,30）可以包括设置在其输入边界（76）处的输入（72），而第二格（10,30）可包括布置在其输出边界（78）处的输出（74）。此外，第一和第二晶格（10,30）可以被配置为在第一晶格（10,30）的输入端（72）处接收信号，将信号传播到接口（50,56,70），以及将信号引导到第二晶格（10,30）的输出端（74）。

8. 发明申请

WO2009146242A1 PERFORMING ANALOG-TO-DIGITAL CONVERSION BY COMPUTING DELAY TIME BETWEEN TRAVELING WAVES IN TRANSMISSION LINES 审中-公开
标题翻译：通过计算传输线上的行驶时间之间的延迟时间来执行模拟数字转换
公开(公告)号：WO2009146242A1
公开(公告)日：2009-12-03
申请号：PCT/US2009/043241
申请日：2009-05-08
申请人： BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM , CORNELL UNIVERSITY , HASSIBI, Arjang , AFSHARI, Ehsan , ZHANG, Chaoming , ABRAHAM, Jacob
发明人： HASSIBI, Arjang , AFSHARI, Ehsan , ZHANG, Chaoming , ABRAHAM, Jacob
IPC分类号： H03M1/12
CPC分类号： H03M1/502 , H03M1/0682
摘要： A method and device for converting an analog input electrical signal to a digital signal. A plurality of integrated active and/or passive transmission lines may be implemented with signal-dependant propagation velocities. The delay differences of pulses traveling through these transmission lines are compared, and the collective results are used to evaluate and subsequently quantize the input signal.
摘要翻译：一种用于将模拟输入电信号转换为数字信号的方法和装置。多个集成的有源和/或无源传输线可以用信号相关的传播速度来实现。比较穿过这些传输线的脉冲的延迟差异，并且使用集合结果来评估并随后量化输入信号。

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