What is the basic principle of sonar signal simulator based on DDS technology?
On 2021-03-20 11:13:27 in Relays
The identification of model and pin
On 2018-11-01 16:51:26 in Relays
Because the number of LED digital tube is not unified,it can be said that there are no rules to follow ...
Transistor FET
On 2018-08-24 11:08:36 in Relays
The appearance of the public field effect transistor is shown in Fig.First, the classification of FET. ...
Electret capacitive microphone
On 2018-11-01 14:19:07 in Relays
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 ...
How to prevent solid-state relay and equipment failure!
On 2018-12-17 11:51:59 in Relays
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