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Home › Magazines › 2010 › February › The ATM18 Radio Computer

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The ATM18 Radio Computer

Using the SI4735 DSP radio chip

Published in issue 398, February 2010

The ATM18 Radio Computer
With increasingly sophisticated technology all the processes such as AM and FM demodulation, stereo decoding and RDS information recovery can be performed by highly-integrated specialised chips. Link one of these to the Elektor ATM18 board and you have a sophisticated radio.

Extra info, Updates

Relevant websites

Free downloads

Main features of the SI4735

VHF range: 64–108 MHz

LW range: 153–279 kHz

MW range: 520–1710 kHz

SW range: 2.3–21.85 MHz

PLL with integrated VCO

Automatic frequency control (AFC)

Automatic gain control (AGC)

Integrated LDO voltage regulator

Digital FM stereo decoder

Programmable reference frequency

Digital volume control

RDS support

Optional digital audio output

2 or 3 wire interface

Supply voltage 3.3 V typ.

Outline 3 x 3 x 0.55 (mm), 20 pin QFN

Click below to download a PDF copy of this article from Elektor magazine.

 

Downloads 
Article PDF
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Magazine February 2010
UK398 (US $ 7.50)
 

Order from Elektor 
DSP radio chip module,populated and tested
090740-71 (US $ 44.40)
 

Free downloads 

Software

Free download
Please note. In view of the complexity of international markets, Elektor cannot guarantee the availability of components for this project.

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