* Question What are the advantages of noninvasive detecting sensors? * Answer Since noninvasive detecting sensors are mostly indirect measurements, they should have higher sensitivity and accuracy, an ...
* Question What is the main source of BJT (bipolar triode) noise? * Answer There are three main types of noise in BJT: (1) Thermal noise: due to the irregular thermal motion of the carrier passing thr ...
* Question What is the security system of the smart card? * Answer The security system of the smart card is an extremely important part of the COS of the smart card. It involves the selection of the a ...
* Question What aspects should be considered in the overall design of the automotive electronic control unit? * Answer 1 Try to use software instead of hardware.Any hardware in the system has a failur ...
* Question What is the working principle of the D/А converter? * Answer The digital quantity of the code is represented by a combination of digits. For the right code, each code has a certain bit weig ...
* Question What are the applications of the GPRS module? * Answer Mainly used in wireless data transmission, wireless POS, security, lottery machines, smart meter reading, wireless fax, small switches ...
* Question What is the security system of the smart card? * Answer The security system of the smart card is an extremely important part of the COS of the smart card. It involves the selection of the a ...
* Question What is the difference between active and passive drives? * Answer the anode and the cathode can emit light, and the driving Ic needs to be packaged by a carrier tape package or a glass chi ...