The identification of model and pin

On 2018-11-01 16:51:26 in Relays

The identification of model and pin

Because the number of LED digital tube is not unified,it can be said that there are no rules to follow ...

Structure and characteristics

On 2018-11-01 16:47:41 in Memory

Structure and characteristics

LED digital tube also known as semiconductor digital tube ( Figure 1-1-5 ),it is a number of light-emitting diodes arranged in a fixed pattern and packaged together the most commonly used digital display one of the devices ...

The main parameters of the first,triode

On 2018-11-01 14:25:02 in Memory

The main parameters of the first,triode

The current amplification factor is the current magnification,which is used to indicate the amplifying power of the transistor.According to the working state of the triode ...

​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 ...

The type and technical index of the moving-coil microphone

On 2018-11-01 14:13:26 in Generally electronic component

The type and technical index of the moving-coil microphone

The type and detection method of microphone is a device that converts sound energy into an audio Telecom number,also called a microphone ...