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Hamilton Hallmark, distributor of semiconductors, connectors, passive components, and computer peripherals, has recently announced the Spectralizer, a combination 20-band (10-band stereo) spectrum analyzer and equalizer designed to demonstrate how the TMS320C203 can easily interface to SRAM, flash, PLD, CODEC, RS-232 serial interface, and more.
The reference design incorporates the processor, CODEC, SRAM, flash EPROM, LED decoder, and the bar graph display. The inputs to Spectralizer are left and right stereo audio line level signals and a mono microphone, which can be used to capture pink noise generated for environment spectral correction. The serial interface is used to control and/or display the output of the Spectralizer via a personal computer, if desired. The Spectralizer's left and right outputs are fed back into the audio source signal path after spectral correction.
Each Reference Design Kit is composed of design applications notes, a complete set of supplier data sheets, schematic drawings, a parts list, plus a 3.5-inch PC disk containing the schematic drawings, parts list, and Gerber plot.
For more device information, see the TMS320C203 datasheet (requires TI&ME registration).