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About RF Cafe

Kirt Blattenberger - RF Cafe WebmasterCopyright
1996 - 2016
Webmaster:
Kirt Blattenberger,
 BSEE - KB3UON

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

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Audio Spectrum Analyzer Uses 256-Point FFT

FFTD1A Audio Spectrum Analyzer Module - RF CafeThis FFT development board from RHDC Services features a fully functional audio band spectrum analyzer for just £59.95 ($95.35). An ultra low power Sharp 96x96-pixel display and judicious selection of processor and peripheral components yields a module that consumes only 3 μA in a static state and 1.3 mA while FFT'ing. Per their website, "The FFTD1A can typically display an image and maintain a real time clock using less than 10µW. Assuming a CR2032 coin-cell delivers 200mAh, that's around 6 years battery life." FFT Designer software together with the FFTD1A development board allows users to develop application software that performs Fourier analysis with a 12-bit, 200 ksps input and a 50 dB SFDR. Add a simple mixer, LO, and filter to extend the useful range to just about any frequency band. RHDC Services also provides RF R&D and communication systems engineering services.
Audio Spectrum Analyzer Uses 256-Point FFT



Posted  November 2012