[Ryan] wanted a spectrum analyzer for his audio equipment. Rather than grab a micro, he did it the analog way. [Ryan] designed a 10 band audio spectrum analyzer. This means that he needs 10 band ...

Alan’s circuit is essentially an attenuator. It takes speaker level audio in (exactly what you’d have in a desktop scanner) and outputs a limited signal at about 50mv peak to peak ...

CODEC Overview A codec (coder-decoder or compressor-decompressor ... and the Digital-to-Analog Converter (DAC), as they directly impact the audio quality. The digital audio signal can be connected to ...