20W Stereo Class D Speaker Amplifier with Analog and Digital Volume Control Operates from a 4.5V to 14V Supply

TA2022 Digital audio IC to RECON's 90W digital amplifier

Class D amplifier's high efficiency makes it ideal for portable and compact high-power applications. Traditional Class D amplifiers require an external lowpass filter to extract the audio signal from the pulse-width-modulated (PWM) output waveform. Many modern Class D amplifiers, however, utilize advanced modulation techniques that, in various applications, both eliminate the need for external filtering and reduce electromagnetic interference (EMI). Eliminating external filters not only reduces board-space requirements, but can also significantly reduce the cost of many portable/compact systems

Sawdust toilets have captivated the interest of the extreme green movement. They are sometimes presented as one of the best waste management options and as a far better alternative than expensive, professionally manufactured composting toilets. In this article, we'll discuss the top five reasons why we feel a professional composting toilet is a better solution than a sawdust toilet.

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