What is the basic principle of sonar signal simulator based on DDS technology?

On 2021-03-20 11:13:27  in Relays

What is the basic principle of sonar signal simulator based on DDS technology?

This article describes the characteristics of the digital circuits in signal simulator. ...

​Electret capacitive microphone

On 2018-11-01 14:19:07  in Relays

​Electret capacitive microphone

To measure the secondary coil of the output transformer,it can be measured directly with the two surface pen to check the output end of the city ...

What is a transistor? What's the role?

On 2018-10-27 10:46:55  in Relays

What is a transistor? What's the role?

Transistors are also called semiconductor diodes,which can be said to be the most important devices in electronic circuits ...