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类429总线信号放大

Other Parts Discussed in Thread: THS4141

原始信号来自HS-3282,原本与其配套的HS-3182波特率是100Kbps,现在需要800Kbps,所以转换电路需要自行设计。

原电路结构是DIFFERENTIAL AMPLIFIER,DRIVER STAGE,POWER STAGE,输出接导线到仪器负载。我用一个THS4141实现这三块功能,不过实际发现电路逻辑正确,但不是特别稳定,是不是还需要驱动级?

信号输入是DATA(A)和DATA(B),转换为差分输出AOUT和BOUT,如图,差分信号的频率是800K。