公开(公告)号：US20080007359A1

公开(公告)日：2008-01-10

申请号：US11900812

申请日：2007-09-13

申请人： Leonard Forbes ,  David Cuthbert

发明人： Leonard Forbes ,  David Cuthbert

IPC分类号： H03B5/24

CPC分类号： H03K3/3545 ,  G06F1/10 ,  H03K5/14 ,  H03K5/15013

摘要： One aspect relates to an oscillator, and various oscillator embodiments comprise an amplifier and line driver with an input and an output and a transmission line with a predetermined transmission signal time delay. The output is adapted to produce an inverted signal with respect to a signal received at the input. The transmission line has a first end connected to the output and a second end connected to the input. Other aspects and embodiments are provided herein.

摘要翻译： 一个方面涉及振荡器，并且各种振荡器实施例包括具有输入和输出的放大器和线路驱动器以及具有预定传输信号时间延迟的传输线。 该输出适于产生相对于在输入处接收到的信号的反相信号。 传输线具有连接到输出的第一端和连接到输入的第二端。 本文提供了其它方面和实施例。

公开(公告)号：US20070182482A1

公开(公告)日：2007-08-09

申请号：US11728537

申请日：2007-03-26

申请人： Leonard Forbes ,  David Cuthbert

发明人： Leonard Forbes ,  David Cuthbert

IPC分类号： H03F1/36

CPC分类号： H03F3/005 ,  H03F1/26 ,  H03F1/38 ,  H03F3/45183 ,  H03F2203/45166 ,  H03F2203/45224 ,  H03F2203/45514 ,  H03F2203/45551 ,  H03F2203/45674 ,  H03F2203/45722

摘要： The present invention comprises switched capacitor amplifiers including positive feedback on semiconductor devices, wafers, and systems incorporating same and methods for amplifying signals using positive feedback, while maintaining a stable gain and producing an improved signal-to-noise ratio. One embodiment includes a switched capacitor amplifier comprising a CMOS amplifier, a feed-in switched capacitor, and a feedback switched capacitor. The feed-in switched capacitor couples an input signal to the non-inverting input of the CMOS amplifier. Similarly, the feedback switched capacitor couples the amplifier output to the non-inverting input to create a positive feedback loop. A capacitance of the feedback switched capacitor relative to a capacitance of the feed-in switched capacitor comprises a feedback proportion. This feedback proportion may be configured to maintain a stable gain of the switched capacitor amplifier and increase a signal-to-noise ratio of the switched capacitor amplifier, even with the switched capacitor amplifier in a positive feedback arrangement.

摘要翻译： 本发明包括开关电容放大器，其包括对半导体器件的正反馈，晶圆及其结合的系统以及使用正反馈放大信号的方法，同时保持稳定的增益并产生改善的信噪比。 一个实施例包括具有CMOS放大器，馈入开关电容器和反馈开关电容器的开关电容放大器。 馈入开关电容将输入信号耦合到CMOS放大器的非反相输入。 类似地，反馈开关电容器将放大器输出耦合到非反相输入端以产生正反馈回路。 反馈开关电容器相对于馈入开关电容器的电容的电容包括反馈比例。 该反馈比例可以被配置为保持开关电容放大器的稳定增益，并且即使开关电容放大器处于正反馈布置中，也可提高开关电容放大器的信噪比。

公开(公告)号：US20070139115A1

公开(公告)日：2007-06-21

申请号：US11699953

申请日：2007-01-30

申请人： Leonard Forbes ,  David Cuthbert

发明人： Leonard Forbes ,  David Cuthbert

IPC分类号： H03F3/45

CPC分类号： H03F3/45183 ,  H03F1/08 ,  H03F1/14 ,  H03F3/45273 ,  H03F2203/45264 ,  H03F2203/45332

摘要： The frequency and transient responses of a CMOS differential amplifier are improved by employing one or more compensating capacitors. A compensating capacitor coupled to a differential input of the CMOS differential amplifier is used to inject current into the differential input, such that the net current flow through the gate-to-drain capacitance of a MOS input transistor approaches zero. Thus, the Miller effect with respect to that MOS input transistor is substantially reduced or eliminated, resulting in increased frequency and transient responses for the CMOS differential amplifier. In one embodiment, the CMOS differential amplifier is a CMOS current mirror differential amplifier.

公开(公告)号：US20070046385A1

公开(公告)日：2007-03-01

申请号：US11215665

申请日：2005-08-29

申请人： Leonard Forbes ,  David Cuthbert

发明人： Leonard Forbes ,  David Cuthbert

IPC分类号： H03B5/18

CPC分类号： H03K3/3545 ,  G06F1/10 ,  H03K5/14 ,  H03K5/15013

摘要： One aspect relates to an oscillator, and various oscillator embodiments comprise an amplifier and line driver with an input and an output and a transmission line with a predetermined transmission signal time delay. The output is adapted to produce an inverted signal with respect to a signal received at the input. The transmission line has a first end connected to the output and a second end connected to the input. Other aspects and embodiments are provided herein.

公开(公告)号：US20050024039A1

公开(公告)日：2005-02-03

申请号：US10927578

申请日：2004-08-25

申请人： William Casey ,  David Cuthbert ,  Olivia McGrew

发明人： William Casey ,  David Cuthbert ,  Olivia McGrew

IPC分类号： G01R31/28 ,  H05K1/02 ,  H05K1/11 ,  G01R1/00

CPC分类号： H05K1/0268 ,  G01R31/2889 ,  H05K1/112 ,  H05K2201/09781

摘要： An integrated circuit characterization printed circuit board and method are provided for improving the uniformity of impedance introduced by a test fixture across all of the pins of an integrated circuit device. The printed circuit board includes an array of substantially similar test contacts numbering greater than the pins of the integrated circuit device. The array of test contacts includes an active portion configured for electrically coupling with the corresponding pins on the integrated circuit device and an inactive portion adjacent to the active portion and electrically coupled to a reference signal on the printed circuit board.

摘要翻译： 提供了一种集成电路表征印刷电路板和方法，用于改善由集成电路器件的所有引脚上的测试夹具引入的阻抗的均匀性。 印刷电路板包括大致类似的测试触头的阵列，编号大于集成电路器件的引脚。 测试触点阵列包括被配置用于与集成电路器件上的相应引脚电耦合的有源部分和与有源部分相邻的非活动部分，并电耦合到印刷电路板上的参考信号。

公开(公告)号：US20070290741A1

公开(公告)日：2007-12-20

申请号：US11849043

申请日：2007-08-31

申请人： Leonard Forbes ,  David Cuthbert

发明人： Leonard Forbes ,  David Cuthbert

IPC分类号： H03F1/48

CPC分类号： H03F3/005 ,  H03F1/26 ,  H03F1/38 ,  H03F3/45183 ,  H03F2203/45166 ,  H03F2203/45224 ,  H03F2203/45514 ,  H03F2203/45551 ,  H03F2203/45674 ,  H03F2203/45722

摘要： The present invention comprises switched capacitor amplifiers including positive feedback on semiconductor devices, wafers, and systems incorporating same and methods for amplifying signals using positive feedback, while maintaining a stable gain and producing an improved signal-to-noise ratio. One embodiment includes a switched capacitor amplifier comprising a CMOS amplifier, a feed-in switched capacitor, and a feedback switched capacitor. The feed-in switched capacitor couples an input signal to the non-inverting input of the CMOS amplifier. Similarly, the feedback switched capacitor couples the amplifier output to the non-inverting input to create a positive feedback loop. A capacitance of the feedback switched capacitor relative to a capacitance of the feed-in switched capacitor comprises a feedback proportion. This feedback proportion may be configured to maintain a stable gain of the switched capacitor amplifier and increase a signal-to-noise ratio of the switched capacitor amplifier, even with the switched capacitor amplifier in a positive feedback arrangement

摘要翻译： 本发明包括开关电容放大器，其包括对半导体器件的正反馈，晶圆及其结合的系统以及使用正反馈放大信号的方法，同时保持稳定的增益并产生改善的信噪比。 一个实施例包括具有CMOS放大器，馈入开关电容器和反馈开关电容器的开关电容放大器。 馈入开关电容将输入信号耦合到CMOS放大器的非反相输入。 类似地，反馈开关电容器将放大器输出耦合到非反相输入端以产生正反馈回路。 反馈开关电容器相对于馈入开关电容器的电容的电容包括反馈比例。 该反馈比例可以被配置为保持开关电容放大器的稳定增益并且增加开关电容放大器的信噪比，即使开关电容放大器处于正反馈布置

公开(公告)号：US20070030059A1

公开(公告)日：2007-02-08

申请号：US11196117

申请日：2005-08-03

申请人： Leonard Forbes ,  David Cuthbert

发明人： Leonard Forbes ,  David Cuthbert

IPC分类号： H03F1/02

CPC分类号： H03F3/005 ,  H03F1/26 ,  H03F1/38 ,  H03F3/45183 ,  H03F2203/45166 ,  H03F2203/45224 ,  H03F2203/45514 ,  H03F2203/45551 ,  H03F2203/45674 ,  H03F2203/45722

摘要： The present invention comprises switched capacitor amplifiers including positive feedback, semiconductor devices, wafers and systems incorporating same and methods for amplifying signals using positive feedback, while maintaining a stable gain and producing an improved signal-to-noise ratio. One embodiment includes a switched capacitor amplifier comprising a Complementary Metal Oxide Semiconductor (CMOS) amplifier, a feed-in switched capacitor, and a feedback switched capacitor. The feed-in switched capacitor operably couples an input signal to the non-inverting input of the CMOS amplifier. Similarly, the feedback switched capacitor operably couples the amplifier output to the non-inverting input to create a positive feedback loop. A capacitance of the feedback switched capacitor relative to a capacitance of the feed-in switched capacitor comprises a feedback proportion. This feedback proportion may be configured to maintain a stable gain of the switched capacitor amplifier and increase a signal-to-noise ratio of the switched capacitor amplifier, even with the switched capacitor amplifier configured in a positive feedback arrangement.

摘要翻译： 本发明包括开关电容放大器，其包括正反馈，半导体器件，晶圆及其结合的系统，以及使用正反馈放大信号的方法，同时保持稳定的增益并产生改善的信噪比。 一个实施例包括开关电容放大器，其包括互补金属氧化物半导体（CMOS）放大器，馈入开关电容器和反馈开关电容器。 馈入开关电容器将输入信号可操作地耦合到CMOS放大器的非反相输入端。 类似地，反馈开关电容器可操作地将放大器输出耦合到非反相输入端以产生正反馈回路。 反馈开关电容器相对于馈入开关电容器的电容的电容包括反馈比例。 该反馈比例可以被配置为保持开关电容放大器的稳定增益，并增加开关电容放大器的信噪比，即使开关电容放大器以正反馈布置配置。

公开(公告)号：US20060250871A1

公开(公告)日：2006-11-09

申请号：US11485218

申请日：2006-07-12

申请人： Leonard Forbes ,  David Cuthbert

发明人： Leonard Forbes ,  David Cuthbert

IPC分类号： G11C7/00

CPC分类号： G11C27/026 ,  G11C7/062 ,  G11C11/4091

摘要： A memory sense amplifier includes a sample and hold circuit followed by a differential amplifier. The sample and hold circuit samples a reference voltage on a bit line of a memory circuit when the sense amplifier is reset and a signal voltage on the same bit line when a signal representing a data bit is present in the bit line. The differential amplifier amplifies the difference between the signal voltage and the reference voltage.

公开(公告)号：US20060044907A1

公开(公告)日：2006-03-02

申请号：US10931786

申请日：2004-09-01

申请人： Leonard Forbes ,  David Cuthbert

发明人： Leonard Forbes ,  David Cuthbert

IPC分类号： G11C7/02

CPC分类号： G11C27/026 ,  G11C7/062 ,  G11C11/4091

摘要： A memory sense amplifier includes a sample and hold circuit followed by a differential amplifier. The sample and hold circuit samples a reference voltage on a bit line of a memory circuit when the sense amplifier is reset and a signal voltage on the same bit line when a signal representing a data bit is present in the bit line. The differential amplifier amplifies the difference between the signal voltage and the reference voltage.

摘要翻译： 存储读出放大器包括一个采样和保持电路，后跟一个差分放大器。 当在位线中存在表示数据位的信号时，采样和保持电路在存储器电路的位线上对基准电压进行采样，当读出放大器被复位时，信号电压位于同一位线上。 差分放大器放大信号电压和参考电压之间的差值。

公开(公告)号：US20060044066A1

公开(公告)日：2006-03-02

申请号：US10931796

申请日：2004-09-01

申请人： Leonard Forbes ,  David Cuthbert

发明人： Leonard Forbes ,  David Cuthbert

IPC分类号： H03F1/14

CPC分类号： H03F3/45183 ,  H03F1/08 ,  H03F1/14 ,  H03F3/45273 ,  H03F2203/45264 ,  H03F2203/45332

摘要： The frequency and transient responses of a CMOS differential amplifier are improved by employing one or more compensating capacitors. A compensating capacitor coupled to a differential input of the CMOS differential amplifier is used to inject current into the differential input, such that the net current flow through the gate-to-drain capacitance of a MOS input transistor approaches zero. Thus, the Miller effect with respect to that MOS input transistor is substantially reduced or eliminated, resulting in increased frequency and transient responses for the CMOS differential amplifier. In one embodiment, the CMOS differential amplifier is a CMOS current mirror differential amplifier.