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An on-chip bandpass single-pole-double-throw (SPDT) switch with very compact circuit size is proposed, which is realized using a capacitvely loaded multicoupled line. By sharing the first resonator between the two signal paths and by replacing the quarter-wavelength impedance transformer in conventional designs with a J-inverter, the circuit size can be much reduced. In addition, the capacitive loading...
A compact single-pole-double-throw (SPDT) switchable bandpass filter (BPF) composed of capacitively loaded multicoupled line is proposed. By replacing the quarter-wavelength impedance transformer at the common junction in conventional designs with a -inverter, the circuit size is largely reduced and the design procedure is much simplified. As a demonstration, a proposed SPDT switchable BPF...
In this work, the design of novel electronically switchable single-to-balanced bandpass low-noise amplifier (LNA) is proposed so as to improve the level of integration for radio frequency (RF) front-end design. By realising the input matching circuit with an electronically switchable bandpass filter and the output matching circuit as a bandpass balun, the LNA can also exhibit the functions of RF switch,...
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