Llamas-Garro, I and Lancaster, M.J. and Hall, P.S. (2004) A low-loss wideband suspended coaxial transmission line. Microwave and Optical Technology Letters. ISSN 0895-2477
Identification Number/DOI: 10.1002/mop.20386
This paper presents a transmission-line structure suitable
for micromachining technology. The structure is an air-filled square coaxial cable, which is very low loss and has been designed in order to utilise current manufacturing processes. This transmission line demonstrates that such a structure can be designed to cover very wide bandwidth.
As the cable is air filled, the centre conductor needs to be supported and this is accomplished by attaching quarter-wavelength stubs to the ground. The design method of such a cable is presented in detail and the results of an X-band component are presented.
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