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An Extended TRL Calibration Method  

Kim Yusin (Graduate School of Information & Communications, Hanbat National University)
Lee Chang-Seok (Graduate School of Information & Communications, Hanbat National University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.16, no.11, 2005 , pp. 1099-1105 More about this Journal
Abstract
TRL error correction method is widely used for measuring high frequency device mounted on PCB. In order to correct error more precisely, the characteristic impedance of standard transmission line should be known mounted for error correction. The capacitance per the unit length of transmission line is calculated by using standard transmission line which terminate resistor additionally at previous method and the characteristic impedance of standard transmission line is calculated with fitting method according to frequency, but the characteristic impedance extracted by a manufacturing inaccuracy is influenced. In this study, a novel method can reduce the manufacturing inaccuracy using measured s-parameters and can extract more accurate characteristic impedance than the previous method.
Keywords
TRL; Calibration; De-embedding;
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