SKY77321Advance InformationThis document contains information on a product under development. The parametric information contains target parameters that are subject to change.SKY77321PA Module for Tri-band EGSM900 DCS1800 PCS1900 / GPRSThe SKY77321 Power Amplifier Module (PAM) is designed in a compact form factor for tri-band cellular handsets comprising EGSM900, DCS1800, and PCS1900 operation. It also supports Class 10 General Packet Radio Service (GPRS) multi-slot operation. The PAM consists of an EGSM900 PA block, a DCS1800/PCS1900 PA block, impedance-matching circuitry for 50 input and output, and bias control circuitry. Two separate Heterojunction Bipolar Transistor (HBT) PA blocks are fabricated on a single Gallium Arsenide (GaAs) die. One PA block operates in the EGSM900 band and the ……
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