The LM258 series is made using two internally compensated, two–stage operational amplifiers. The first stage of each consists of differential input devices Q20 and Q18 with input buffer transistors Q21 and Q17 and the differential to single ended converter Q3 and Q4. The first stage performs n...
【题目】如图1所示是小明设计的光控装置的部分电路,其中LM358是集成运算放大器,内部结构及输人输出逻辑关系见图2表格。请完成以下任务:+12V8RR100k3V+82v-+iCLM25358输人输出B10k0LM358VVV高电平V.-VV=05VoV.VV低电平图1图2(1)图1中没有用到的元器件是ABCD(2)夜幕降临时,要求发光二极管V:发光,请根据...
2. AT89S52控制电路图3-2 AT89S52控制电路图 3.2使用LM358红外探测报警器 1. LM358简介 1内部频率补偿 2直流电压增益高(约100dB) 3单位增益频带宽(约1MHz) 4电源电压范围宽:单电源(3—30V); 5双电源(±1.5一±15V) 6低功耗电流,适合于电池供电 7低输入偏流 8低输入失调电压和失调电流 ...
The LM258 series is made using two internally compensated, two–stage operational amplifiers. The first stage of each consists of differential input devices Q20 and Q18 with input buffer transistors Q21 and Q17 and the differential to single ended converter Q3 and Q4. The first stage performs n...