How to measure the color LED dot matrix display?
On 2018-10-29 15:33:54 in Memory
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 ...
How do you choose isolation architectures, circuits, and components in power inverter applications?
On 2018-11-21 10:57:27 in Memory
Both motor and power control inverter designers have the same problem of isolating control and user interface circuits from dangerous power line voltages. ...
Structure and characteristics
On 2018-11-01 16:47:41 in Memory
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 LED
On 2018-10-31 11:11:54 in Memory
The main parameters of LED include the maximum working current Im and the maximum reverse voltage Um ...
How can Advance innovations improve the efficiency of data center memory?
On 2019-08-03 10:22:37 in Memory
This article describes the characteristics of the memory. ...
how to detect the LED emission tube?
On 2018-10-26 16:31:21 in Memory
The use of multimeter to detect LED luminous platoon is mainly to check whether the LEDs are good ...
Brief analysis of the principle and function of transmission
On 2018-11-20 10:38:35 in Memory
The transmission is used to change the speed and torque of the engine. It can fix or change the transmission ratio of the output shaft and the input shaft in different stages. It is also called the transmission ...
What is a bidirectional thyristor?
On 2018-10-29 14:25:17 in Memory
Bidirectional thyristor(TRIAC)is a new type of semiconductor device developed on the basis of one-way thyristor ...
The main characteristic of the diode is Danxian
On 2018-10-30 10:56:52 in Memory
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. ...
How to detect fast recovery, ultrafast recovery diode?
On 2018-10-26 16:05:55 in Memory
The method of measuring fast recovery and ultrafast recovery diode with multimeter is basically the same as the method of detecting plastic sealed silicon rectifier diode. ...
Commonly used connector
On 2018-11-01 17:07:09 in Memory
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 ) ...
Diode rectifier filter circuit，Diode half wave rectifier circuit
On 2018-09-12 13:00:54 in Memory
Power plant to send 50 Hz AC, after long-distance transmission, to the user is still 50 Hz AC, it is usually sent to industrial users 380 V three-phase AC, to ordinary civil users 220V single-phase AC. ...
Using integrated passive components in the micro-module SIP
On 2018-11-21 11:20:07 in Memory
Integrated passive devices are nothing new in our industry – they have been around for a long time and are well known. ...
Is Facebook's cloud storage a welfare or a trap?
On 2019-08-05 10:46:43 in Memory
This article describes the characteristics of the memory. ...
Headphones and piezoceramic buzzers
On 2018-11-03 15:17:06 in Memory
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 ...