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ATR2732N3

Part Number	ATR2732N3
Manufacturer	ATMEL Corporation
Description	Integrated DAB One-chip Front End
Published	Jan 22, 2009
Detailed Description	Features • • • • • • • • • • • • www.DataSheet4U.com Highly Integrated DAB Front-end Solution Covering Band III and L-ba...
Datasheet	ATR2732N3 PDF File

Overview

Features • • • • • • • • • • • • www.
DataSheet4U.
com Highly Integrated DAB Front-end Solution Covering Band III and L-band Reception Convenient Internal Clock Generation, Single Reference Clock Fractional PLL for VHF Fully Integrated VCOs High-precision Digitally Tunable Reference Oscillator Integrated High-performance LNAs Very Flexible Programming of the AGC Automatically Aligned External Filter Tuning Simple Three-wire Digital Control Interface for Easy Handling Single Low Voltage (3.
3V) Supply Operation Low Current Consumption Due to Several Power-down Options Small SMD Package (QFN 9 mm × 9 mm) Integrated DAB One-chip Front End ATR2732N3 Summary Applications • Commercial DAB Receivers • DAB Receiver Solutions for Car Radio Applications • Portable DAB Solutions 1.
Description The ATR2732N3 is a front-end monolithic integrated circuit, manufactured using Atmel®’s silicon-germanium BiCMOS process (SiGMOS).
The ATR2732N3 carries out all functions of RF and IF processing, as well as the clock-signal generation for these functions.
Therefore, there is an integrated fractional PLL, which, equivalent to most of the other functions, can be controlled via an external digital bus.
The RF functions include LNA, down-conversion mixing, amplifying, detection, and gain control.
An external SAW filter is required in the signal path after the RF functions.
Additional amplifiers with detection and control functions are integrated IF functions.
The device offers several tuning support functions, and was created to simplify the design and manufacturing process.
To this end, the number of external components are minimal.
The part fits perfectly to Atmel’s DAB baseband processor ATR2740.
NOTE: This is a summary document.
The complete document is available under NDA.
For more information, please contact your local Atmel sales office.
9129AS–DAB–04/08 Figure 1-1.
Block Diagram www.
DataSheet4U.
com Gain cntl Vtune gen.
A D RSSI PWR cntl Control unit VCO L-band PLL VHF frac.
...

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