* Question How to connect without using dual network card? * Answer Connect the ADSL Modem to the hub (providing…

* Question What is the traditional cover type packaging method? * Answer The traditional cover type packaging method mainly uses…

* Question Circuit online maintenance instrument maintenance principle for circuit boards * Answer In the absence of any schematic diagrams,…

* Question In the RFID system, there are mainly two types of signal interference, what are they? * Answer One…

* Question What are the two parts of the PMBus specification? * Answer The PMBus specification has two parts: PartI…

* Question What constitutes a phototransistor? * Answer Structure and Principle of Phototransistor Phototransistor is very similar to ordinary transistor.…

* Question What methods are available for data type conversion? * Answer (1) Type labeling method (2) Type function method

* Question What should be paid attention to in the development of power management? * Answer (1) More safety (2)…

* Question What is the thermoelectric phenomenon? * Answer The conductors of two different materials are combined into a closed…

* Question What can the antenna be divided into according to the band? * Answer Long-wave antenna, medium-wave antenna, short-wave…