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Datasheet: SKY77528 Tx Front-End Module For Quad-Band GSM / EDGE
The SKY77528 is a transmit Front-End Module (FEM) designed for quad-band Global System for Mobile Communications (GSM), General Packet Radio Service (GPRS), and Enhanced Data Rate for GSM Evolution (EDGE) handsets and modules.
The SKY77528 consists of a GSM850/EGSM900 PA block and a DCS1800/PCS1900 PA block, impedance-matching circuitry for 50 O inputs and outputs, a multi-function PA control block, lowpass harmonic rejection filter, and a transmit/receive antenna switch.
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