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Input circuit for a probe of a logic analyser and probe and logic analyser provided with such a circuit
Input circuit for a probe of a logic analyser and probe and logic analyser provided with such a circuit
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机译:用于逻辑分析仪的探针的输入电路以及具有该电路的探针和逻辑分析仪
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摘要
A high frequency probe for a logic analyzer adapted to operate with different types of logic circuits, and signals which may or may not be superimposed on a dc component. After an input capacitance, a high frequency amplifier feeds both an output terminal and a compensator circuit which compares the deviation between low frequency or dc components appearing at the input and output terminals, and compensates for the deviation by reinjecting a signal at the input of the high frequency amplifier. Variable attenuation may also be also be included between the high frequency amplifier and the output terminal.
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