Wideband Tunable Rf Filters For Channel Selection In Crowded Spectral Bands

Sanghoon Park, Ki-Jin Kim, Kwang-Ho Ahn & Hyeon-Woo Lee
It is very effective way to utilize a very wide tunable filter in co-existing multi-standards wireless communications environment. Especially, as the long term evolution (LTE) communication era has come, the multi-band coverage is one of the important features required for the RF components. In this paper, we present the frequency conversion technique, and so generate two types of RF filters which are specially designed for the superb tunable ability to support multiple wireless communication standards....
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