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1. 发明申请

US20160191196A1 DC-COUPLED LASER DRIVER WITH AC-COUPLED TERMINATION ELEMENT 审中-公开
标题翻译：直流耦合激光驱动器与交流耦合终端元件
公开(公告)号：US20160191196A1
公开(公告)日：2016-06-30
申请号：US14588267
申请日：2014-12-31
申请人： MINDSPEED TECHNOLOGIES, INC.
发明人： Matteo Troiani , Cristiano Bazzani , Will Will Wang , Kevin McDonald , Atul Gupta
IPC分类号： H04J14/08 , H04Q11/00
CPC分类号： H04Q11/0066 , H01S5/0428 , H04B10/502 , H04B10/504 , H04Q2011/0033 , H04Q2011/0035 , H04Q2011/0086
摘要： An optical signal module including a driver and an optical signal module. The driver includes a differential pair configured to receive and process an input signal to create a drive signal. A modulation current source provides a modulation current to the differential pair. One or more termination resistors connected to the differential pair for impedance matching. A first switch, responsive to a first control signal, maintains charge on a charge storage device. The optical signal module includes an optical signal generator arranged between a supply voltage node and a bias current node. The optical signal generator receives the drive signal and generates an optical signal representing the input signal. A second switch is between a supply voltage node the bias current node. The second switch, responsive to second control signal, selectively establishes a short between the supply voltage node the bias current node.
摘要翻译：包括驱动器和光信号模块的光信号模块。驱动器包括配置为接收和处理输入信号以产生驱动信号的差分对。调制电流源向差分对提供调制电流。连接到差分对的一个或多个终端电阻用于阻抗匹配。响应于第一控制信号的第一开关在电荷存储装置上维持电荷。光信号模块包括布置在电源电压节点和偏置电流节点之间的光信号发生器。光信号发生器接收驱动信号并产生表示输入信号的光信号。第二个开关是电源节点之间的偏置电流节点。响应于第二控制信号的第二开关选择性地在电源电压节点之间建立偏置电流节点之间的短路。

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