NBE P0700WB 
NBE P0700WB 
 

(1) 光电耦合输入电路如图2所示。其中图2(a)、图2(b)用的较多，高电平时接成形式，低电平输入时接成形式。图2(c)为差动型接法，它具有两个约束条件，对于防止干扰有明显的*性，适用于外部干扰严重的环境，当外部设备电流较大时，其传输距离可达100~200m，图2(d)考虑到COMS电路的输出驱动电流较小，不能直接带动发光二极管，所以加接一级晶体管作为功率放大，需要注意的是图中发光二极管和光敏三极管应分别由两个电源供电，电阻值视电压高低选取。

现货，现货，降降降，火火火，火火火……

现货，现货，降降降，火火火，火火火……

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◆ 企业名称：厦门泰尼电气有限公司

◆ ： 小廖（女士）

◆ ：

◆

◆ :

诚信经营，质量为首，服务*，厦门泰尼小廖竭诚为您服务！！！

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AXCELIS 5990-0073-0001 SCAN GEN. HORIZONTAL K4 EATON

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AMAT 0021-21320 CLAMP RING, 8"SNNF, IMP-CU 10402ARS 2.5

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AMAT 21016402198 "Receiver 28"" Pigtail QD"; BANNER MIC

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