在一部手机中有多少分立元器件?当你的手接触手机,或者按下电话号码,或者把电话插到充电器中去时,都会出现静电放电;手机的工作环境和别的设备一样充满电磁干扰。LCD显示器、SIM卡、连接器、充电器需要ESD保护,键盘和MCU需要EMI滤波器,拾音器需要ESD保护及 How many discrete components do you have in a mobile phone? Electrostatic discharge occurs when your hand touches the phone, or when you press a phone number, or when you plug the phone into the charger; the working environment of the phone is the same as other devices. Electromagnetic interference. LCD monitors, SIM cards, connectors, chargers need ESD protection, keyboards and MCUs need EMI filters, pickups need ESD protection and