Abstract: This letter presents a 140–210-GHz frequency doubler using a low-loss, low-imbalance Marchand balun. By employing co- planar waveguide (CPW) multiconductor coupled lines (MCCLs), the ...
Abstract: A wideband double ridge waveguide (DRWG) balun is proposed in this letter. The DRWG, as a variation of rectangular waveguides, provides low transmission loss. Meanwhile, it exhibits ...
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