I've heard people say before that the higher the frequency, the greater the attenuation; recently I saw that "the higher the frequency of electromagnetic waves, the longer the transmission distance".
Who can give me a control circuit for the car's main driver's door window lift switch group? This switch communicates with the door module LIN. It is found that when there is no LIN signal from the do
Abstract: This paper introduces a low-power multi-channel data acquisition and processing system based on DSP and CPLD. The whole system is composed of DSP and CPLD to dynamically set the A/D sampling