Santa Clara, Calif. – Two “Boomer” audio amplifiers from National Semiconductor Corp. deliver 80-dB power supply rejection ratio (PSRR) at 217 Hz and 3 volts with inputs terminated with a 10-ohm ...
Sounds above 80 dB can cause hearing damage, and we should limit the exposure to prevent hearing loss. Decibel apps are a convenient way to measure volume fairly accurately with your phone. Our ...
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