PERIODICALLY LOADED TRANSMISSION LINES.
Interim technical rept.,
SYRACUSE UNIV RESEARCH INST N Y
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In this report equations for the transmission parameters of a periodically loaded line are derived with no restrictions on magnitude, type or number of discontinuities and on attenuation on the line. Of interest are the input reflection coefficient and the generator to load transmission coefficient of the line when terminated by its characteristic impedance. The equations for these coefficients are readily derived from the transmission parameters. Several plots of the input reflection coefficient and transmission coefficient are presented and compared with experimental results. The agreement is very good. Among other important results, it is shown that maximum transfer of power to the load, through a periodically loaded line, does not always occur for minimum input VSWR. In fact, for the case of purely resistive shunt discontinuities, it corresponds to the maximum input VSWR and for the case of mixed discontinuities the minimum input VSWR does not correspond either to minimum or maximum power transfer. In such cases the transmission coefficient presents a peculiar behavior near its maximum having a sharp minimum near one side of the maximum which should be avoided. Author
- Electrical and Electronic Equipment