自动电平控制前置放大电路的设计与应用

自动电平控制前置放大电路的设计与应用
38 í 6 Vol . 38 No . 6
2000 ê 11 WISCO TECHNOLOGY Nov . 2000 ¤ 5 ¤



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DESIGN & APPLICATION OF AUTO ELECTRICAL
LEVEL CONTROL PREAMP CIRCUIT
Zhang Hui
¨ The Telecommunication Works

Abstract The self designed auto electrical level control preamp circuit is used to re