一个反激式电源可分别从一个48V输入产生两个1A的12V输出。理想的二极管模型具有零正向压降，电阻可忽略不计。变压器绕组电阻可忽略不计，只有与变压器引线串联的寄生电感才能建模。这些电感是变压器内的漏电感，以及印刷电路板（PCB）印制线和二极管内的寄生电感。当设置这些电感时，两个输出相互跟踪，因为当二极管在开关周期的1-D部分导通时，变压器的全耦合会促使两个输出相等。该反激式简化模型模拟了漏电感对输出电压调节的影响。
PV032R1K1T1NGLC
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PV040R1K1T1NFFP
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PV040R1K8T1VMMC
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PV040R1K4T1NFR1
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PV040R1K1T1NMF1
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PV040R1K1S1NFWS
PV040R1L1T1NMMC
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PV040R1K1T1NMFC
LED的芯片其实就是个半导体，有如以下的IV曲线。反向电压如果加的过高，LED会因被击穿而损坏，所以很多时候我们需要去测量反向电压。若只是单纯要测量芯片的特性，基本上使用电源和万用表即可。主要可测试的项目包括正向电压、击穿电压、漏电流…测试LED的整体IV曲线特性几个参数正向电压:Vf击穿电压:Vr漏电流:IL这些项目的测试其实并不算困难，但必须要选对合适的测量仪器。若是选择了不适合的测量仪器，测试的值误差则会非常大。
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PV040R1K1T1WFR1
PV040R1K1T1NKLC
PV040R9K1T1NFWS
PV040R1K1T1NFFC
PV040R1K1T1NF
PV040R1K1T1N100
PV040R1K1T1WMR1
PV040R1K1T1NFRZ
PV040R1K1T1WMRC
PV040R1K1T1NMMK
PV040R1K1T1NMMC
PV040R1K1T1VMMC
PV040R1K1T1NFHS
PV040R1K1T1NGLC
PV040R1K1T1NHLC
PV040R1K1T1WMMC
PV040L1L1T1NFWS
PV040R1K1T1NMLC
PV040R1D1T1NGCC
PV040R1K1T1NELA
PV040R9K1T1NMMCK0188
PV046R1K1T1N001
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PV046R1K1T1NFDS
PV046R1K1T1NFR1
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PV046R1K1T1NMMC
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PV046R1K1T1NFF1
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PV046R1D3T1NFFC
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PV046R1D1T1NHCC
PV046R1K1T1NFFC
PV046R1K1T1NMFC
PV046R1K1T1NMF1
PV046R9K1T1NMMC
PV046R1K1AYNMRC
PV046R1K1JHNMMC
PV046R9K1T1NFWS
PV046R1K4T1NMR1
PV046R1K4T1NFHS
PV046L1K1T1NFWS
PV046R1K1S1NFWS
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PV046L1K1T1NMMC
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PV046R1K4T1NMMC
PV046R1K1T1NMMCX5934
PV063R1K1T1NMF1
PV063R1K1T1NMMC
PV063R1K1T1NMMK
PV063R9L1TNMPCK0
PV063R1K1A1VFPR
PV063R1K1C1NFWS
PV063R2K1T1N001
PV063R9L1T1NFWS
PV063R1K1A1NFHS
PV063R1K1T1NFFP
PV063R1K1T1NFPR
PV063R1K1T1NGLC
PV063R1K1T1N001
PV063R1K1T1N100
PV063R1K1T1NFDS
两线变送器的电源连接在变送器的输出端。两线变送器调制电源的电流从4?20mA，和输入端成比例。两线变送器的供电电源一般从24V~96V。大的电源可以使输出端的环路负载能力加大很多。环路电源隔离器的现场检测福禄克多功能校验仪787具有的电流模拟功能。当连接至外部电源时，可以让您在0?24mA之间地控制电流。现场检测环路电源隔离器时，两线环路变送器向隔离器提供的电流信号可以被移去，而福禄克多功能校验仪可以用模拟方式控制环路电流（)步连接福禄克多功能校验仪1、将变送器主环路断开，把福禄克多功能校验仪的测试线插入模拟(Simulate)插口并接入环路。
