Design steps 1) Analyze the design requirementsThe output power can be used to calculate the emitter current; when selecting a transistor, you need to pay attention to the frequency characteristics. 2...
Technical Status of Electronic Transformers Electronic transformers are important components in electronic circuits, playing important roles such as insulation, isolation, voltage/current conversion, ...
Abstract : Fingerprint recognition is unique and reliable, and has been widely used in the security field. This paper develops an embedded fingerprint lock based on the fingerprint recognition module,...
Learn and win awards at the same timeLet’s keep it simple and get straight to the point!Event time: From now until October 31, 2019Activity process:
1. Open theBuild a healthy life, achieve powerful t...
[size=4]When the frequency is constant, the larger the capacitance, the smaller the capacitive reactance; the smaller the capacitive reactance, the lower the frequency that passes. [/size] [size=4]The...