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RMPA1850 Datasheet

  • RMPA1850

  • Quad Band GSM/GPRS Power Amplifier Module

  • 9頁(yè)

  • FAIRCHILD

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RMPA1850 Quad Band GSM/GPRS Power Ampli鏗乪r Module
December 2004
RMPA1850
Quad Band GSM/GPRS Power Ampli鏗乪r Module
Features
I
Quad band, matched module
I
High ef鏗乧iency- 55% GSM850/900, 50% DCS/PCS
I
Integrated power control function
I
Compact 7*10*1.6mm module
I
InGaP HBT technology
I
GPRS class 12 capable
I
Ruggedness 10:1
I
50 dB power control range
General Description
The RMPA1850 power ampli鏗乪r module (PAM) is designed for
GSM/GPRS cellular handset applications. The PAM a fully
input and output 50鈩?matched. It also includes integrated power
control and band select.
Functional Block Diagram
VCC2
12
DCS/PCS IN
BAND SELECT
TX EN
VBAT
VREG
VRAMP
GSM IN
1
2
3
4
5
6
7
Match
Match
Power
Sensing
11
DCS/PCS OUT
CMOS
Power
Controller
10
VOUT
Match
Match
Power
Sensing
9
GSM OUT
8
VCC2
漏2004 Fairchild Semiconductor Corporation
1
www.fairchildsemi.com
RMPA1850 Rev. A1

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