麦克雷尔INC 。

MIC3001

图列表

图1. MIC3001框图...................................................................................................................................................17

图2.模拟数字转换器模块Diagram.......................................................................................................................18

图3. RXPOT框图.....................................................................................................................................................22

图4. MIC3001 APC和调制控制框图....................................................................................................22

图5.可编程反馈Resistor....................................................................................................................................22

图6.变送器配置支持MIC3001 .........................................................................................................23

图7. V

MOD

配置为输出电压与增益.................................................................................................................23

图9.故障比较器Logic.....................................................................................................................................................25

图10.饱和度检测仪.........................................................................................................................................................26

图11. RXLOS比较器逻辑..............................................................................................................................................26

图LUTOFF 12.实例Operation.....................................................................................................................................29

图13.温度补偿Examples...........................................................................................................................30

图14.控制和状态的I / O逻辑...........................................................................................................................................32

图15.变送器ON-OFF时间...........................................................................................................................................32

图16.初始化时序与TXDISABLE断言..............................................................................................................32

图17.初始化时序与TXDISABLE不断言........................................................................................................33

丢失的-信号如图18 （LOS） Timing...........................................................................................................................................33

图20.成功清除故障Condition..........................................................................................................................34

图21.不成功的尝试清除故障............................................................................................................................34

图22.写字节协议.........................................................................................................................................................36

图23.读字节协议.........................................................................................................................................................36

图24. Read_Word Protocol.......................................................................................................................................................36

图25.四字节Page_White Protocol......................................................................................................................................37

图26.示例APC电路的共阴极TOSA.........................................................................................................69

图27.示例APC电路的共阳极TOSA............................................................................................................69

图28.压摆率对丙

COMP

值.............................................................................................................................................70

图29.开环单位增益带宽对丙

COMP

.................................................................................................................70

图31.控制SY88932调制Current..................................................................................................................71

图32.控制SY89307调制Current..................................................................................................................72

图33.控制通过吸收电流的调制电流...................................................................................................72

图34.冗余开关电路..............................................................................................................................................73

图35.保护线和Kelvin返回远程热敏二极管...................................... .................................................. 0.75

图36.典型的SFP控制和状态的I / O信号路由（不按比例） ................................ ................................................. 75

图37.电源路由和旁路............................................................................................................................75

2004年8月

5

M9999-082404-A

hbwhelp@micrel.com

或（408） 955-1690