A new line of pulse-width-modulated (PWM) thermal-cooling fans performs at low noise levels by eliminating the power-switching noise of the fan, whose coils switch at 20 kHz. An external PWM signal ...
The LTC2645 converts pulse-width-modulation (PWM) input signals to 12-bit accurate, stable buffered voltage outputs in less than 8 µs, thus removing the ripple and delay often plaguing analog filters.
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