Combining PWM with a small R-2R ladder improves both. It reduces PWM ripple significantly and increases the DAC’s resolution. In this Design Idea, an eight-resistor array and three output pins ...
Certain Microchip (was Atmel) ATtiny and ATmega microcontrollers have a handy phase-locked loop which boosts the 16MHz clock up to 64MHz for peripherals including the PWM. May 2022 update – tinyAVR ...
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