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ATR2808 fiches techniques PDF

ATMEL Corporation - 2.9/5.8 GHz WDCET/ISM Single-chip Transceiver

Numéro de référence ATR2808
Description 2.9/5.8 GHz WDCET/ISM Single-chip Transceiver
Fabricant ATMEL Corporation 
Logo ATMEL Corporation 





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ATR2808 fiche technique
Features
Fully Integrated TX/RX with 2.9 GHz TX VCO for 5.8 GHz Applications Using a
Frequency Doubler
Supply Voltage Range 3.4V to 4.6V
TX Preamplifier with 0 dBm Output Power at 2.9 GHz
Ramp-signal Generator for Power Ramping and Power Control of External SiGe Power
Amplifier
Fast Settling Synthesizer (1.728 MHz Channel Spacing at 5.8 GHz)
Supports Multiple Reference Clocks (10.368 MHz/13.824 MHz)
Benefits
Extended Battery Operating Time
Low Current Consumption
Very Small 7 × 7 mm Package
Few Low Cost External Components
No Mechanical Tuning Required
2.9/5.8 GHz
WDCET/ISM
Single-chip
Transceiver
ATR2808
1. Description
The ATR2808 is an RF IC for low-power applications in the 5.8 GHz ISM band. The
QFN 48-packaged IC is a complete transceiver including image rejection mixer, IF
amplifier, FM demodulator, baseband filter, RSSI, TX preamplifier, power-ramping
www.DataSheet4U.com
generator for power amplifiers, integrated synthesizer, fully integrated VCO and gaus-
sian data filter for TX.
Figure 1-1. Block Diagram
MIXER
OUT IF_IN
IF_TANK
IR MIXER
IF AMP 1
IF AMP 2
DEMOD
TANK
CF
RF_IN
RAMP_OUT
RAMP_SET
RAMP
GEN
RAMP
D/A
RSSI
DEMOD
BB FILTER
D/A DEMOD DAC
TX / RX
SWITCH
VCO
GF
BB_OUT
RSSI
TX_DATA
TX_OUT
TX DRIVER
VCO
REG
PC
f
:n
AUX
REG
PD
CP
3-WIRE
BUS
f
:n
RC
CTRL
LOGIC
CLOCK
DATA
ENABLE
RX_ON
TX_ON
PU_RX/TX
PU_PLL
Summary
VREG_VCO
VS_VCO
VREG VS_REG
OLE
GND_VCO PU_REG REG_CTRL VTUNE
CP LD
I_CPSW
REF_CLK
Rev. 4693ES–DECT–03/06
Note: This is a summary document. A complete document
is available under NDA. For more information, please con-
tact your local Atmel sales office.

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