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MAX40660 TIA的DC耦合和AC耦合的区别。(Difference between DC-coupling and AC-coupling for the MAX40660 TIA)


The MAX40660 manual gives two circuit configurations, DC-coupled and AC-coupled, what are the advantages and disadvantages of each and how do I choose between them in practical applications.

  • 参考MAX40662 datasheet。

    AC or DC-Coupling on Input Coupling choice of electrical signal from APD to the TIA is a major design decision a system designer has to make based on the trade-offs. The DC-coupled input design, as shown in Figure 1, is the least complicated and takes minimum number of components that serves best in saving PCB space and cost. In DC-coupled mode, input channel switching times are rapid on the order of ​​。。。。