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RF/Microwave??

Data whitening and random TX mode

Posted: 12 May 2010 ?? ?Print Version ?Bookmark and Share

Keywords:data whitening? data transmission circuitry? random data transmission?

This document gives an overview of the data whitening and random data transmission circuitry in the CC430, CC1100, CC1100E, CC1101, CC1110, CC1111, CC1150, CC2500, CC2510, CC2511 and CC2550 devices.

Radio operation is optimized when the data bits being transmitted are random and DC-free, not only because this gives a smooth power distribution over the occupied RF bandwidth, but also because random and DC-free data prevents the possibility of data dependencies in the receiver control loops. Many times, however, the data to be transmitted contains long strings of zeroes and ones. Performance can be improved by whitening the data before transmission. Whitening the data before transmission requires that the receiver undo the whitening before outputting the received data.

View the PDF document for more information.

Click here to view related datasheets.





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