Headphones and piezoceramic buzzers

On 2018-11-03 15:17:06  in Memory

Headphones and piezoceramic buzzers

Headset is also an electro-acoustic conversion device,which is similar in structure to an electric speaker,it is also composed of magnet,voice coil,vibrating diaphragm, etc,but the voice coil of the earphone is mostly fixed ...

the structure,type and detection method of the loudspeaker

On 2018-11-03 15:12:34  in Memory

the structure,type and detection method of the loudspeaker

one The structure of the loudspeaker.The loudspeaker,also known as the horn,is an electro-acoustic conversion device that converts the analog voice telephone number into a sound wave ...

​How to measure the color LED dot matrix display?

On 2018-10-29 15:33:54  in Memory

​How to measure the color LED dot matrix display?

The color LED dot matrix display is the same as monochrome.You can use short columns or rows of methods to detect,just a little cumbersome operation ...

Is Facebook's cloud storage a welfare or a trap?

On 2019-08-05 10:46:43  in Memory

Is Facebook's cloud storage a welfare or a trap?

This article describes the characteristics of the memory. ...

What are the requirements for the development of memory technology in the era of big data?

On 2019-08-10 11:46:08  in Memory

What are the requirements for the development of memory technology in the era of big data?

This article describes the characteristics of the memory. ...

what is an infrared light emitting diode?

On 2018-10-26 16:45:24  in Memory

what is an infrared light emitting diode?

determine the order of the arrangement of the pins.The multimeter is placed in the R*1 thousand euro file ...

Using integrated passive components in the micro-module SIP

On 2018-11-21 11:20:07  in Memory

Using integrated passive components in the micro-module SIP

Integrated passive devices are nothing new in our industry – they have been around for a long time and are well known. ...

the detection of the resistor

On 2018-10-31 10:55:57  in Memory

the detection of the resistor

Will be two pen ( regardless of the positive and negative ) are connected with the two ends of the resistor can be connected to measure the actual resistance value ( in order to improve the measurement accuracy ...

Commonly used connector

On 2018-11-01 17:07:09  in Memory

Commonly used connector

The classification connector of the connector is also called a connector, which is usually composed of a plug ( also known as a male plug ) and a socket ( called a female plug ) ...

How do you measure infrared light emitting diodes?

On 2018-10-26 16:48:19  in Memory

How do you measure infrared light emitting diodes?

When detecting infrared light emitting diodes,there is a big difference between the pointer type multimeter and the digital multimeter ...

How to choose the high-speed CF memory card necessary for the photography industry?

On 2019-08-03 10:43:05  in Memory

How to choose the high-speed CF memory card necessary for the photography industry?

This article describes the characteristics of the memory card. ...

​The characteristics of Holzer element

On 2018-11-03 15:08:21  in Memory

​The characteristics of Holzer element

The materials used in Holzer devices include germanium,silicon,InSb,InAs,GaAs and so on ...

Common parameters

On 2018-10-30 11:49:42  in Memory

Common parameters

peak height refers to the peak soldering PCB to eat tin height ( Figure 2-1 1 43 ) ...

Output Curve of Field Effect Transistor

On 2018-11-23 10:36:28  in Memory

Output Curve of Field Effect Transistor

If the internal resistance of the test voltage is also very small, the tube will burst undoubtedly. ...

Wave soldering technology is a mature electronic assembly process

On 2018-10-30 11:33:30  in Memory

Wave soldering technology is a mature electronic assembly process

the process is loading plate,coating flux,preheating,wave soldering,hot air knife treatment,cooling and unloading plate ...