HD155121F Datasheet - Hitachi Semiconductor

HD155121F RF Transceiver IC for GSM and PCN Dual band cellular systems

The HD155121F is a RF transceiver IC for GSM and PCN dual band cellular systems, and integrates most of the low power silicon functions of a transceiver. The HD155121F incorporates two bias circuits for RF LNAs, two first mixers, a second mixer, a programmable gain amplifier, and an IQ demodulator f.

HD155121F Features

* Highly integrated RF processing for hand-portables

* Operating supply voltage  VCC : 2.7 to 3.6 V  Phase comparator and TXVCO driver circuit : 2.7 to 5.25 V

* Current consumption  Rx mode (GSM) : 53 mA + LNA current  Rx mode (PCN) : 52 mA + LNA current  Tx mode (GSM) :

HD155121F_HitachiSemiconductor.pdf