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Type of antenna transmission line
Nov 19, 2016

Ultra short wavelength transmission line generally has two kinds: parallel transmission lines and coaxial cable transmission line microwave-band coaxial cable transmission line transmission line, waveguide and microstrip. Parallel two-wire transmission line consisting of two parallel wires it is symmetrical or balanced transmission line, this large feeder loss and cannot be used for UHF-band. Each of the two conductors of coaxial cable transmission line as the core and shielded copper wire mesh, copper grounding grid and two conductors on the asymmetric, therefore it is called asymmetric or unbalanced transmission lines. Coaxial cable operating frequencies range, small loss, has some shielding effect on electrostatic coupling, magnetic interference was powerless. Avoid strong currents when using line parallel to, or closer to the low-frequency signal lines.