Parasitic Capacitance and Inductance Using TDR
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Time Domain Reflectometry (TDR) is commonly used as a convenient method to determine the characteristic impedance of a transmission line, or to quantify reflections caused by discontinuities along or at the termination of a transmission line. TDR can also be used to measure quantities such as the input capacitance of a voltage probe, the inductance of a jumper wire, the end to end capacitance of a resistor, or the effective loading of a PCI card. Element values can be calculated directly from the integral of the reflected or transmitted waveform.