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1. 发明授权

US07626439B2 Cross-point adjustment circuit 有权
标题翻译：交叉点调整电路
公开(公告)号：US07626439B2
公开(公告)日：2009-12-01
申请号：US11736263
申请日：2007-05-21
申请人： Jason Y. Miao , Timothy G. Moran
发明人： Jason Y. Miao , Timothy G. Moran
IPC分类号： H03K5/08
CPC分类号： H04B10/40
摘要： An amplifier stage or circuit for providing cross-point adjustment. The circuit may include a first input node configured to receive a first data signal and a second input node configured to receive a second data signal that is complementary of the first data signal. The circuit also includes a programmable first stage having a first node coupled to the first input node and a second node coupled to the second input node that is configured to adjust an amount of current provided to the first and second data signals to create a signal offset. The circuit further includes a second stage having a first node coupled to a third node of the programmable first stage and a second node coupled to a fourth node of the programmable first stage configured to provide the signal offset at a third and fourth node of the second stage to adjust the cross-point of the first and second signals.
摘要翻译：用于提供交叉点调整的放大器级或电路。电路可以包括被配置为接收第一数据信号的第一输入节点和被配置为接收与第一数据信号互补的第二数据信号的第二输入节点。电路还包括可编程第一级，其具有耦合到第一输入节点的第一节点和耦合到第二输入节点的第二节点，其被配置为调整提供给第一和第二数据信号的电流量，以产生信号偏移。电路还包括第二级，其具有耦合到可编程第一级的第三节点的第一节点和耦合到可编程第一级的第四节点的第二节点，其被配置为在第二节点的第三和第四节点处提供信号偏移阶段来调整第一和第二信号的交叉点。

2. 发明授权

US07504889B2 Circuit for providing a signal boost 有权
标题翻译：电路提供信号提升
公开(公告)号：US07504889B2
公开(公告)日：2009-03-17
申请号：US11734185
申请日：2007-04-11
申请人： Jason Y. Miao , Timothy G. Moran
发明人： Jason Y. Miao , Timothy G. Moran
IPC分类号： H03F3/08
CPC分类号： H03F3/4508 , H03F3/08 , H03F3/087 , H03F3/45475 , H03F3/45973 , H03F2200/408 , H03F2203/45212 , H03F2203/45282 , H03F2203/45511 , H03F2203/45512
摘要： Embodiments disclosed herein relate to an amplifier stage or circuit for providing a signal boost. The circuit includes an emitter-follower pair and a cross coupled differential pair. The cross coupled differential pair provides a feedback signal that provides a boost to a signal output by the emitter follower pair. In some embodiments, a capacitor of the cross coupled differential pair may be adjustable in order to vary the amount of boosting provided. In other embodiments, a current source of the cross coupled differential pair may be adjustable in order to vary the amount of boosting provided.
摘要翻译：本文公开的实施例涉及用于提供信号提升的放大器级或电路。电路包括发射极 - 跟随器对和交叉耦合的差分对。交叉耦合差分对提供反馈信号，其提供由射极跟随器对输出的信号的升压。在一些实施例中，交叉耦合差分对的电容器可以是可调节的，以便改变所提供的升压量。在其他实施例中，交叉耦合的差分对的电流源可以是可调节的，以便改变所提供的升压量。

3. 发明申请

US20080079484A1 CROSS-POINT ADJUSTMENT CIRCUIT 有权
标题翻译：交叉点调整电路
公开(公告)号：US20080079484A1
公开(公告)日：2008-04-03
申请号：US11736263
申请日：2007-05-21
申请人： Jason Y. Miao , Timothy G. Moran
发明人： Jason Y. Miao , Timothy G. Moran
IPC分类号： H04B1/10 , G11C5/14 , H02M7/28
CPC分类号： H04B10/40
摘要： An amplifier stage or circuit for providing cross-point adjustment. The circuit may include a first input node configured to receive a first data signal and a second input node configured to receive a second data signal that is complementary of the first data signal. The circuit also includes a programmable first stage having a first node coupled to the first input node and a second node coupled to the second input node that is configured to adjust an amount of current provided to the first and second data signals to create a signal offset. The circuit further includes a second stage having a first node coupled to a third node of the programmable first stage and a second node coupled to a fourth node of the programmable first stage configured to provide the signal offset at a third and fourth node of the second stage to adjust the cross-point of the first and second signals.
摘要翻译：用于提供交叉点调整的放大器级或电路。电路可以包括被配置为接收第一数据信号的第一输入节点和被配置为接收与第一数据信号互补的第二数据信号的第二输入节点。电路还包括可编程第一级，其具有耦合到第一输入节点的第一节点和耦合到第二输入节点的第二节点，其被配置为调整提供给第一和第二数据信号的电流量，以产生信号偏移。电路还包括第二级，其具有耦合到可编程第一级的第三节点的第一节点和耦合到可编程第一级的第四节点的第二节点，其被配置为在第二节点的第三和第四节点处提供信号偏移阶段来调整第一和第二信号的交叉点。

4. 发明申请

US20080074197A1 CIRCUIT FOR PROVIDING A SIGNAL BOOST 有权
标题翻译：提供信号增强的电路
公开(公告)号：US20080074197A1
公开(公告)日：2008-03-27
申请号：US11734185
申请日：2007-04-11
申请人： Jason Y. Miao , Timothy G. Moran
发明人： Jason Y. Miao , Timothy G. Moran
IPC分类号： H03F3/08
CPC分类号： H03F3/4508 , H03F3/08 , H03F3/087 , H03F3/45475 , H03F3/45973 , H03F2200/408 , H03F2203/45212 , H03F2203/45282 , H03F2203/45511 , H03F2203/45512
摘要： Embodiments disclosed herein relate to an amplifier stage or circuit for providing a signal boost. The circuit includes an emitter-follower pair and a cross coupled differential pair. The cross coupled differential pair provides a feedback signal that provides a boost to a signal output by the emitter follower pair. In some embodiments, a capacitor of the cross coupled differential pair may be adjustable in order to vary the amount of boosting provided. In other embodiments, a current source of the cross coupled differential pair may be adjustable in order to vary the amount of boosting provided.
摘要翻译：本文公开的实施例涉及用于提供信号提升的放大器级或电路。电路包括发射极 - 跟随器对和交叉耦合的差分对。交叉耦合差分对提供反馈信号，其提供由射极跟随器对输出的信号的升压。在一些实施例中，交叉耦合差分对的电容器可以是可调节的，以便改变所提供的升压量。在其他实施例中，交叉耦合的差分对的电流源可以是可调节的，以便改变所提供的升压量。

5. 发明授权

US07133429B2 Laser driver circuit with signal transition enhancement 有权
标题翻译：具有信号转换增强的激光驱动电路
公开(公告)号：US07133429B2
公开(公告)日：2006-11-07
申请号：US11075064
申请日：2005-03-04
申请人： Timothy G. Moran
发明人： Timothy G. Moran
IPC分类号： H01S3/00
CPC分类号： H04B10/504 , H01S5/0427
摘要： A laser driver circuit with signal transition enhancement is disclosed. The laser driver circuit comprises a pair of laser driver input terminals, a current modulator circuit, a transition boost circuit, and a nonlinear integrator circuit. The pair of laser driver input terminals are configured to receive a pair of differential input signals. The current modulator circuit generates a pair of current modulator output signals in accordance with the pair of differential input signals. The transition boost circuit generates a pair of transition boost signals for enhancing signal transitions of the pair of current modulator output signals. The nonlinear integrator circuit integrates the pair of transition boost signals to generate a pair of differential current output signals.
摘要翻译：公开了一种具有信号转换增强的激光驱动电路。激光驱动器电路包括一对激光驱动器输入端子，电流调制器电路，转换升压电路和非线性积分器电路。一对激光驱动器输入端子被配置为接收一对差分输入信号。电流调制器电路根据该对差分输入信号产生一对电流调制器输出信号。转换升压电路产生一对转换升压信号，用于增强一对电流调制器输出信号的信号转换。非线性积分器电路集成了一对转换升压信号以产生一对差分电流输出信号。

6. 发明授权

US07764885B2 Asymmetric rise/fall time and duty cycle control circuit 有权
标题翻译：不对称上升/下降时间和占空比控制电路
公开(公告)号：US07764885B2
公开(公告)日：2010-07-27
申请号：US11626081
申请日：2007-01-23
申请人： The'Linh Nguyen , Timothy G. Moran
发明人： The'Linh Nguyen , Timothy G. Moran
IPC分类号： H04B10/00
CPC分类号： H03F3/45475 , H03F3/45085 , H03F2203/45134 , H03F2203/45324 , H03F2203/45566 , H03F2203/45631 , H03F2203/45641 , H03F2203/45654 , H03K5/1565
摘要： Modules and signal control circuits configured to at least partially compensate for or adjust for asymmetric rise/fall time. The circuit may include a first input node configured to receive a first data signal and a second input node configured to receive a second data signal that is complementary of the first data signal. The circuit may also include a first stage having a first node coupled to the first input node and a second node coupled to the second input node and a second stage having a first node coupled to a third node of the first stage and a second node coupled to a fourth node of the first stage. The second stage may be configured to drive a load such as a laser. The circuit may further include a third input node configured to receive a third data signal and a fourth input node configured to receive a fourth data signal that is the complementary of the third data signal. Additionally, a control stage having a first node coupled the third input node, having a second node coupled to the fourth input node, having a third node coupled to the third node of the first stage and having a fourth node coupled to the fourth node of the first stage.
摘要翻译：模块和信号控制电路被配置为至少部分地补偿或调整不对称的上升/下降时间。电路可以包括被配置为接收第一数据信号的第一输入节点和被配置为接收与第一数据信号互补的第二数据信号的第二输入节点。电路还可以包括具有耦合到第一输入节点的第一节点和耦合到第二输入节点的第二节点的第一阶段和具有耦合到第一阶段的第三节点的第一节点的第二阶段和耦合到第二节点的第二节点到第一级的第四个节点。第二级可以被配置为驱动诸如激光器的负载。电路还可以包括被配置为接收第三数据信号的第三输入节点和被配置为接收作为第三数据信号的互补的第四数据信号的第四输入节点。另外，控制级具有耦合第三输入节点的第一节点，具有耦合到第四输入节点的第二节点，具有耦合到第一级的第三节点的第三节点，并且具有耦合到第四节点的第四节点的第四节点第一阶段

7. 发明授权

US07439480B2 Regulated current mirror 有权
标题翻译：调节电流镜
公开(公告)号：US07439480B2
公开(公告)日：2008-10-21
申请号：US11072180
申请日：2005-03-04
申请人： Timothy G. Moran
发明人： Timothy G. Moran
IPC分类号： H03F3/08 , G01J1/44
CPC分类号： G05F3/26 , H01L31/02019
摘要： Systems and methods for regulating a current mirror. A current mirror includes mirror circuits that each include a transistor or a transistor network. A mirror circuit in the current mirror is used by a detector of an optical receiver to draw current in response to an incident optical signal on the photodiode. The transistor in the current mirror is connected with a regulating amplifier that drives a gate of the transistor. The regulating amplifier uses the drain voltage of the transistor as an input such that the amplifier's output drives the gate such that the drain voltage substantially matches a reference voltage that is also an input to the regulating amplifier. The regulating amplifier can be integrated with the current mirror and eliminates the need for an external capacitor to reduce the effects of noise on current drawn by the detector.
摘要翻译：用于调节电流镜的系统和方法。电流镜包括各自包括晶体管或晶体管网络的镜像电路。电流镜中的镜像电路由光接收器的检测器用于响应于光电二极管上的入射光信号而抽取电流。电流镜中的晶体管与驱动晶体管栅极的调节放大器连接。调节放大器使用晶体管的漏极电压作为输入，使得放大器的输出驱动栅极，使得漏极电压基本上与也是调节放大器的输入的参考电压匹配。调节放大器可以与电流镜一体化，不需要外部电容器来减少噪声对检测器拉出的电流的影响。

8. 发明授权

US07324570B2 Continuous temperature compensation for a laser modulation current 有权
标题翻译：激光调制电流的连续温度补偿
公开(公告)号：US07324570B2
公开(公告)日：2008-01-29
申请号：US11072179
申请日：2005-03-04
申请人： Timothy G. Moran
发明人： Timothy G. Moran
IPC分类号： H01S3/10 , H01S3/04 , H01S3/00
CPC分类号： H01S5/06832 , H01S5/0427 , H01S5/06804
摘要： Systems and methods for continuously compensating a modulation current of a laser. A temperature compensation circuit has circuitry with a positive temperature coefficient connected with circuitry having a negative temperature coefficient. The temperature compensation circuit generates a temperature dependent reference current that is mirrored to a gain circuit. The gain circuit provides variable gain. The gain circuit also provides inputs that can be set to select a particular gain. The output of the gain circuit, which changes as temperature affects the reference current, is used to compensate the modulation current of the laser.
摘要翻译：用于连续补偿激光器调制电流的系统和方法。温度补偿电路具有正温度系数与具有负温度系数的电路相连的电路。温度补偿电路产生镜像到增益电路的与温度相关的参考电流。增益电路提供可变增益。增益电路还提供可设置为选择特定增益的输入。使用随温度影响参考电流而变化的增益电路的输出来补偿激光器的调制电流。

9. 发明授权

US4791314A Oscillation-free, short-circuit protection circuit 失效
标题翻译：无振荡，短路保护电路
公开(公告)号：US4791314A
公开(公告)日：1988-12-13
申请号：US930593
申请日：1986-11-13
申请人： James R. Kuo , Timothy G. Moran
发明人： James R. Kuo , Timothy G. Moran
IPC分类号： H03K19/0175 , H03F1/52 , H03K17/08 , H03K17/082 , H03K19/003 , H03K19/013 , H03K19/018 , H03K5/153 , H03K3/295 , H03K17/14 , H03K17/30
CPC分类号： H03K19/01806 , H03F1/52 , H03K17/0826 , H03K19/0133 , H03K2017/0806
摘要： A line driver circuit capable of operating at high speeds. The output transistor, an emitter connected to an output terminal, has a special feedback capacitor connected to its base. The feedback capacitor helps pull the output terminal high to increase the switching speed of the line driver circuit. Special current injection and removal techniques are used to speed the switching times of the PNP current supply transistors. The line driver circuit also has special circuitry to limit the output current from exceeding certain limits and for keeping the line driver circuit from overheating.
摘要翻译：能够高速运转的线路驱动电路。输出晶体管，连接到输出端子的发射极，具有连接到其基极的特殊反馈电容器。反馈电容器有助于将输出端子拉高，以提高线路驱动电路的开关速度。采用特殊的电流注入和去除技术来加速PNP电流晶体管的开关时间。线路驱动器电路还具有特殊的电路，用于限制输出电流超过一定限度并保持线路驱动电路不会过热。

10. 发明授权

US07826739B2 Determination and adjustment of laser modulation current in an optical transmitter 有权
标题翻译：光发射机激光调制电流的测定与调整
公开(公告)号：US07826739B2
公开(公告)日：2010-11-02
申请号：US11854431
申请日：2007-09-12
申请人： Stephen T. Nelson , Timothy G. Moran
发明人： Stephen T. Nelson , Timothy G. Moran
IPC分类号： H04B10/08
CPC分类号： H04B10/504 , H04B10/40
摘要： Systems and methods for controlling the modulation current of a laser included as a component of an optical transmitter, such as an optical transceiver module, are disclosed. Control of the modulation current, which affects various laser operational parameters, including extinction ratio and optical modulation amplitude, enables operation of the laser to be optimized, thereby enabling reliable transceiver performance to be achieved. In one embodiment, a method for modifying the modulation current in an optical transceiver module includes first sensing analog voltage data that proportionally relates to an actual modulation current of the laser. Once sensed, the analog voltage data are converted to digital voltage data. Using the digital voltage data, the actual modulation current of the laser is determined, then a desired modulation current is determined. Should a discrepancy exist between the actual and desired modulation currents, the actual modulation current is modified to match the desired current.
摘要翻译：公开了用于控制作为诸如光收发器模块的光发射机的组件的激光器的调制电流的控制系统和方法。控制影响各种激光器操作参数（包括消光比和光调制幅度）的调制电流使得能够优化激光器的操作，从而实现可靠的收发器性能。在一个实施例中，用于修改光收发器模块中的调制电流的方法包括：首先感测与激光器的实际调制电流成比例地相关的模拟电压数据。一旦感测到，模拟电压数据被转换成数字电压数据。使用数字电压数据，确定激光器的实际调制电流，然后确定期望的调制电流。如果在实际和期望的调制电流之间存在差异，则实际调制电流被修改以匹配期望的电流。

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