A compact sized LTCC diplexer with high-band selectivity and high isolation for GSM and CDMA multi-band applications

Abstract

In this work, a compact diplexer to separate GSM (global system for mobile) from CDMA (code division multiple access) band has been presented using a LTCC (low temp. co-fired ceramic) multi-layer technology. In order to achieve high selectivity of the bands, a shunt capacitor and inductor are designed in the high-pass filter (HPF) and low-pass filter (LPF… (More)

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