Luo Xiaoqing
Abstract
Wideband DC Amplifier in weak signal monitoring and measurement circuit system is widely used,this paper presents a theory based on the differential amplifier circuit,and using high-speed broadband integrated operational amplifier as the main amplifier,to design specific methods of broadband dc amplifier.
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Wideband DC Amplifier in weak signal monitoring and measurement circuit system is widely used,this paper presents a theory based on the differential amplifier circuit,and using high-speed broadband integrated operational amplifier as the main amplifier,to design specific methods of broadband dc amplifier.
Key concepts: Direct-coupled amplifier, Cascade amplifier, Instrumentation amplifier, Operational amplifier, Linear amplifier, Current-feedback operational amplifier, Operational transconductance amplifier, Fully differential amplifier