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A 3.4 V single power supply GaAs single-chip RF transceiver IC for 1.9 GHz digital mobile communication systems such as the Japanese Personal Handy Phone System (PHS) consists of both analog and digital circuits. The analog circuits contain a power amplifier (PA), an SPDT switch (SW), two attenuators (ATTs) for transmitting and receiving modes, and a low-noise amplifier (LNA). The digital circuits contain a negative voltage generator (NVG) for single voltage operation and a logic circuit to control the analog circuits and the NVG.
Date of Conference: 10-10 Feb. 1996