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公开(公告)号:US06768384B1
公开(公告)日:2004-07-27
申请号:US09987628
申请日:2001-11-15
申请人: P. S. Mohandas , Anil Agarwal
发明人: P. S. Mohandas , Anil Agarwal
IPC分类号: H03F308
CPC分类号: H03F3/087
摘要: A high-gain, high-speed differential preamplifier is described, in which a current source is coupled to one input of a differential amplifier and the other input of the differential amplifier is coupled to a sensor. In one implementation, the current source includes a field effect transistor operating in saturation mode and a bipolar junction transmitter in an emitter follower configuration.
摘要翻译: 描述了一种高增益高速差分前置放大器,其中电流源耦合到差分放大器的一个输入,而差分放大器的另一个输入耦合到传感器。 在一个实现中,电流源包括以饱和模式工作的场效应晶体管和在射极跟随器配置中的双极结发射器。