Nexus 7 (2013) Review: An Introduction to PWM Flicker

Despite three aging three years since its release, the Google Nexus 7 (2013) continues to be relevant as a well-performing tablet at a rock bottom price.  This tablet is still widely available for purchase new and second-hand at a reasonable cost.  The 2013 model can be distinguished from the 2012 model by the lack of silver-colored metal ridge around the circumference of the device. FLICKER Our measurements indicate the device uses pulse-width modulation (“PWM”) to modulate screen brightness.  PWM is a method in which power supplied to the backlight is cycled on and off at such a high frequency that … Continue reading Nexus 7 (2013) Review: An Introduction to PWM Flicker