how to detect the LED emission tube?

On 2018-10-26 16:31:21  in Memory

how to detect the LED emission tube?

The use of multimeter to detect LED luminous platoon is mainly to check whether the LEDs are good ...

​The main parameters of LED

On 2018-10-31 11:11:54  in Memory

​The main parameters of LED

The main parameters of LED include the maximum working current Im and the maximum reverse voltage Um ...

​how to detect the discoloration LEDs?

On 2018-10-26 16:40:18  in Memory

​how to detect the discoloration LEDs?

As shown in Figure 5-18,a circuit for detecting a discoloration light emitting diode (LEDs),a multimeter is placed in the RX10k2 block,and the two pin is connected. ...

​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 ...

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 ) ...

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 ...

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 ...

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. ...

How can Advance innovations improve the efficiency of data center memory?

On 2019-08-03 10:22:37  in Memory

How can Advance innovations improve the efficiency of data center memory?

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

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 ...

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 ...

What is an optical coupler?

On 2018-10-27 10:41:35  in Memory

What is an optical coupler?

Optical coupler also known as photoelectric isolator,referred to as optocoupler. Optical couplers use light as a medium to propagate the Telecom number ...

The main characteristic of the diode is Danxian

On 2018-10-30 10:56:52  in Memory

The main characteristic of the diode is Danxian

It refers to the maximum positive current allowed to pass through the diode during long-term operation,which is related to PN junction area and external heat dissipation conditions. ...

​what is a double base diode (single junction transistor)?

On 2018-10-26 17:09:25  in Memory

​what is a double base diode (single junction transistor)?

Double base diode,also known as single crystal transistor (UJT)is a three terminal semiconductor device with only one PN junction.the circuit symbol,internal structure and equivalent circuit of double base diode. ...

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 ...