Due to development needs, Tekism Co., Ltd. ([/size][/font][color=rgb(0, 102, 153)][font=Verdana, Helvetica, Arial, sans-serif][size=14px][url=http://www.tekism.cn/]www.tekism.cn[/url][/size][/font][/c...
[:P][:P][:P] In many electronic systems, a sine wave signal with adjustable frequency and amplitude is often needed as a reference or carrier signal. Sine wave signals are mainly generated by analog ...
1. Why is the starting condition of self-oscillation |AF|>1? How is it calculated? 2. Why is it easier to self-oscillate when the feedback depth is greater? Please answer this question, I don’t unders...
Usually, audio circuits include capacitors for filtering, coupling, bypassing, and frequency division. How to more effectively select and use different types of capacitors in the circuit will have a g...
China introduced high-speed rail in 2008, and by the end of 2014 the network had grown to 16,000 km. It is the largest high-speed rail network in the world, carrying 2-3 million passengers per day. Th...