电容和信号完整性技术介绍:One of the most “defining” of these characteristics is the capacitance of the device. Capacitance is an electrical attribute of any circuit element (resistance would be an example of another attribute) and is nonlinear with respect to signal frequency. In other words, as the signal frequency increases, the capacitance effect (impedance) changes. If a mismatch occurs between the capacitance of a suppressor and the signal speed of a circuit, the signal (and its ability to properly transmit data) can be degraded.To help illustrate this concept, consider a simple circuit including a signal generator, a capacitor, and a resistive load; all in parallel。
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