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Digital Input Circuit for Receiving Digital Input Signals of a Signal Generator
Digital Input Circuit for Receiving Digital Input Signals of a Signal Generator
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机译:数字输入电路,用于接收信号发生器的数字输入信号
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摘要
A digital input circuit adopts a first state when an input signal is below a lower threshold value and adopts a second state when the input signal is above an upper threshold value. The digital input circuit comprises first and second subcircuits that exhibit a non-ideal current output behavior at least in the second state, and each comprises a current stabilizing element with a driving circuit and a voltage stabilizing element. The first and second subcircuits are configured such that, at least in a portion of the second state, an electric current flowing through the first subcircuit's voltage stabilizing element consists substantially of a stabilized current of the second subcircuit, and an electric current that flows through the second subcircuit's voltage stabilizing element consists substantially of a stabilized current of the first subcircuit, such that the non-ideal current output behavior of the first and second subcircuits compensate for each other.
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