[size=5]When the CS4 chip select signal is valid and EMA_A12 is 1, the 1Y1 pin of the 74LV139 decoding circuit will be valid, thereby starting the ADC conversion. [/size] [size=5] [/size] [size=5] AD7...
Consumers are eager to experience more multimedia data services on their mobile phones. Although current GPRS mobile phones support MMS, Internet browsing and EMAIL, their transmission rate of only 60...
The purpose of the fuel evaporative pollution control system is to prevent volatile hydrocarbons (HC) from evaporating and polluting the atmosphere. The fuel stored in the carburetor or fuel tank will...
Compared with analog sensors, digital sensors have the characteristics of not requiring A/D converters for data collection and not requiring numerical standard configuration. In addition, in addition ...
Power supply ripple noise testIn current high-speed circuit design, the power supply voltage of high-speed chips is getting lower and lower, the signal flip rate is getting faster and faster, the inte...