EDN7 小时
Tracking preregulator boosts efficiency of PWM power DAC
Implementing another power DAC with an LM317 regulator into a PWM topology but this one adds a preregulator so it can run ...
Top Gear on MSN9 小时
Has Dodge missed the point of a muscle car with its electric Charger?
Buh-bye, naughty V8, and welcome to... batteries and fake noise. Time to find out if the Charger's kept its soul ...