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GSM power amplifier and switch module (IPD)

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RDA6221 Front-end Module


The RDA6221 is a high-power, high-efficiency dual-band front-end Module. This device is designed for EGSM900 and DCS1800 handheld digital cellular equipment. The module consists of dual band power amplifiers and dual band antenna switch. The power amplifiers, switch and their controller are fabricated with GaAs HBT, GaAs PHEMT and CMOS respectively.


The device package is 6mm×6mm×1.1mm 28-pins LGA. The input and output are realized on-chip matched to 50Ω. The RDA6221 requires few external components, simplifying PCB layout and reducing PCB board space.


1.Ultra-Small 6mm×6mm Package
2.Dual-Band Power Amplifier with RF switches
3.ESD protection at Antenna
4.Complete Power Control Solution
5.High efficiency
6.Low supply voltage (3~4.5V)
7.Input/Output matched @ 50 Ω
8.Advanced HBT/PHEMT/CMOS process


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