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This paper presents a switch module by embedding both chip capacitors and a single-pole-double-throw (SPDT) IC in organic substrate. A switch IC usually needs capacitors as decoupling capacitor. Input port or output port in a switch has DC voltage so that it is necessary DC block when a switch is connected with another IC or stages. Chip capacitors as DC blocks are employed in input and in output...
This paper presents the implementation of a front-end-module (FEM) for wireless Local Area Network (W-LAN) by embedding a power amplifier module (PAM) and a double-pole-double-throw (DPDT) switch IC in printed-circuit-board (PCB) by sequential build up process using polymers. Polymers are adopted as substrates and these substrates are composed of FR4 and Ajinomoto-bonding-film (ABF). Vacuum lamination...
This paper presents a compact RF front-end module (FEM) with the power amplifier module (PAM) for dual band Wireless LAN (W-LAN). The FEM is composed of a single-pole-double-throw (SPDT) IC, a PAM, two Tx LPFs, two matching circuits for 802.11 b/g (low band) and 802.11 a (high band), two Rx BPFs, Tx diplexer for low/high band, and Rx diplexer for low/high band. Tx diplexer, Rx diplexer, two LPFs,...
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