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RF2722_1 Datasheet

  • RF2722_1

  • GSM/GPRS/EDGE RECEIVER

  • 26頁

  • RFMD

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Proposed
RF2722
GSM/GPRS/EDGE RECEIVER
Part of the POLARIS
TM
TOTAL RADIO
TM
Solution
Features
LNA VCC
GPO1
RX EN
RoHS Compliant & Pb-Free Product
Package Style: QFN, 32-Pin, 5x5
CLK IN
鈥?GSM850, EGSM, DCS &
PCS Operation
鈥?Supports Both VLIF & DCR
Modes
鈥?Integrated RF VCO
鈥?Integrated LNA鈥檚 Support
up to Four RF Bands
鈥?EDGE Receive Compatible
LNA 1P 1
LNA 1N 2
GPO2
SCLK
32
31
30
29
28
27
26
SSB
25
24 DIG/FLT VCC
23 I OUT
22 IB OUT
21 QB OUT
20 Q OUT
19 TX EN
18 TXB IN HB
17 TXB IN LB
16
VCO VCC
LNA1
Serial
Data
Interface
LNA 2P 3
LNA2
LNA 2N 4
Quadrature
Mixer
Polyphase
Filter
DC
Correct
LNA 3P 5
LNA3
LNA 3N 6
LNA 4P 7
LNA4
Applications
鈥?EGSM/DCS Handsets
鈥?EGSM/DCS/PCS
Handsets
鈥?GSM850/PCS Handsets
鈥?GSM850/EGSM/DCS/PCS
Handsets
LNA 4N 8
9
MIX VCC
10
LO VCC
Quadrature
Generator
11
VCO OUT
12
TX OUT LB
13
TX OUT HB
14
VT
Functional Block Diagram
Product Description
The RF2722 is a highly-integrated receiver IC supporting GSM, GPRS, and EDGE
cellular standards in the GSM850, EGSM, DCS, and PCS bands. The RF2722 sup-
ports both very-low intermediate frequency (VLIF) as well as direct conversion
receive (DCR) architectures, reducing external component count and eliminating
the need for IF SAW and RF interstage filters without compromising performance.
The IC includes: four LNA鈥檚 for multi-band support; an integrated voltage controlled
oscillator (VCO); automatic gain control (AGC); a quadrature downconverting mixer;
and, low and high band transmit buffers. Chip functionality, including IF AGC set-
ting, is controlled through a three-wire serial data interface (SDI). The RF2722 is
part of the POLARIS
TM
TOTAL RADIO
TM
solution.
Ordering Information
RF2722
RF2722PCBA-41X
GSM/GPRS/EDGE Receiver
Fully Assembled Evaluation Board
Optimum Technology Matching廬 Applied
GaAs HBT
GaAs MESFET
InGaP HBT
SiGe BiCMOS
Si BiCMOS
SiGe HBT
GaAs pHEMT
Si CMOS
Si BJT
GaN HEMT
RF MICRO DEVICES廬, RFMD廬, Optimum Technology Matching廬, Enabling Wireless Connectivity鈩? PowerStar廬, POLARIS鈩?TOTAL RADIO鈩?and UltimateBlue鈩?are trademarks of RFMD, LLC. BLUETOOTH is a trade-
mark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. 漏2006, RF Micro Devices, Inc.
Rev A4 DS050919
7628 Thorndike Road, Greensboro, NC 27409-9421 路 For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
VTC
SDI
15
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