On the Optimum Length for Transmission Lines Used as Circuit Elements

1 December 1937

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in Proceedings of the IRE

Vol. 25 (12) , 1561-1564
https://doi.org/10.1109/JRPROC.1937.228821

Abstract

The existence of an optimum length for transmission lines which are tuned by low-loss capacitor to give maximum sending-end impedance is discussed. This optimum length is found to be 0.185λ for a shorted line and 0.472λ for an open-circuited line, resulting in impedances 14 and 3 per cent higher, respectively, than can be obtained from lines without tuning condensers.

Keywords

DISTRIBUTED PARAMETER CIRCUITS
IMPEDANCE
CAPACITORS
POWER TRANSMISSION LINES
RESONANCE
INDUCTANCE
RADIO FREQUENCY
CONDUCTORS
RLC CIRCUITS
CAPACITANCE

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