1. Mobile handheld devices: The most common mobile handheld devices are smart phones. In addition, they typically include IPads, handheld game consoles, and handheld POS machines. Due to the need for battery power, mobile handheld devices usually require high performance in terms of low power consumption of components.

2. Consumer electronics: Consumer electronics usually include: laptops, cameras, camcorders, headsets, stereos, tablet computers, etc. Consumer electronic products are characterized by short development cycles and fast updating. Therefore, the requirements for electronic devices are high integration and reusable modules.

3. Communication network: The communication network is usually divided into wired communication and wireless communication. The technical fields covered by wired communication include: optical transmission networks, data processing, connection functions, etc. The technical fields covered by wireless networks usually include baseband, connection interfaces, and radio.

4. Medical electronics: Common medical electronic equipment includes: X-ray imaging, magnetic resonance imaging, ultrasound systems, endoscopes, etc. Because the biological mechanism of the human body is very complex, medical electronic equipment puts forward higher requirements for electronic components in terms of linearity, mixed signal, micro-electromechanical system and digital signal processing technology.