How to design the power module of LED display?
On 2021-11-26 11:21:29 in Photoelectric
This article describes the characteristics of the power module. ...
What is the Nitride system?
On 2019-01-12 16:06:47 in Knownlege
This article describes the Nitride system ...
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 ...
What is tungsten-molybdate system?
On 2019-01-14 16:51:56 in Knownlege
This article describes the tungsten-molybdate system ...
What is the silicate system?
On 2019-01-15 11:07:23 in Knownlege
This article briefly introduces the silicate system ...
How to detect a one-way thyristor?
On 2018-10-29 14:00:36 in Generally electronic semiconductor
Determination of appearance recognition of each electrode Common unidirectional thyristor electrodes are arranged as shown in Figure. ...
Spectral Analysis of Eu and Bi
On 2019-01-14 17:35:33 in Photoelectric
This article describes the spectral Analysis of Eu and Bi ...
How to detect the BTG thyristor?
On 2018-10-29 15:08:36 in Memory
Judging the electrode to place the multimeter in RX1K2 block,and the red and black stylus rotation to connect a pair of electrodes,when a pair of pins is measured to be low resistance ...
how to detect a varactor?
On 2018-10-26 17:08:18 in Memory
Because the positive resistance of the varactor diode is larger,the multimeter is placed in the RX 10k2 block,the red form is connected to the positive pole ...
What is the difference between a triode and a MOS transistor on an analog circuit?
On 2019-12-02 10:36:58 in Generally electronic semiconductor
This article describes the characteristics of the triode and a MOS transistor. ...
What is the mechanism of pr3+ activation?
On 2019-01-11 11:53:16 in Knownlege
This article describes the mechanism of pr3+ activation. ...
what is an infrared light emitting diode and how to detect it?
On 2018-12-28 16:43:35 in Generally electronic semiconductor
This article briefly introduces the infrared light emitting diode and the method to detect it. ...
The problem of CPLD driving MAX7219
On 2023-03-15 13:45:13 in IC Chips
CPLD is used to drive MAX7219 IC, making it possible to control up to 64 individual LEDs with minimal control pins from a controller. It is simpler to program and has higher speed than microcontrollers. ...
How to test and repair the rectifier bridge?
On 2018-10-26 15:52:31 in IC Chips
Distinguish polarity to place the multimeter in RX1kQ block,and the black stylus arbitrarily connect a pin of the whole bridge component,and measure the other three pins with the red stylus,if the measured resistance is infinite ...
What are the luminescent Properties of LaInO3:Eu Phosphors?
On 2019-01-12 11:15:53 in Knownlege
This article describes the Luminescent Properties of LaInO3:Eu Phosphors ...
Five.Optocoupler
On 2018-10-31 11:35:12 in Generally electronic semiconductor
Optocoupler is an electrical and photoelectric converter composed of LED and photosensitive transistors ...
What is the Titanate system?
On 2019-01-14 17:51:29 in Knownlege
This article writes about the Titanate system. ...
Electrooptic devices are just the opposite
On 2018-10-31 11:01:18 in Knownlege
The history of photoelectric technology is actually earlier than that of electronic technology.In early twentieth Century, Einstein won the Nobel prize with the discovery of photoelectric effect ...
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. ...
what are the characteristics of a light emitting diode?
On 2018-10-26 16:17:19 in IC Chips
Light emitting diodes have the same conductivity as ordinary diodes.When positive currents pass through PN junctions ...
How do you measure infrared light emitting diodes?
On 2018-10-26 16:48:19 in Memory
When detecting infrared light emitting diodes,there is a big difference between the pointer type multimeter and the digital multimeter ...
What are the requirements for NDIR carbon dioxide sensor used in incubator?
On 2023-08-16 18:00:15 in Sensor
This article describes the characteristics of the NDIR carbon dioxide sensor. ...
Diode
On 2019-01-04 14:17:26 in Generally electronic semiconductor
This article writes about the diode. ...
What are the advantages of OLED?
On 2021-11-04 10:44:37 in Photoelectric
This article describes the characteristics of the L OLED. ...
What is excitation spectra?
On 2019-01-11 13:21:32 in Knownlege
This article briefly introduces the principle of excitation spectra ...
What is the difference between different panels?
On 2021-10-22 11:13:25 in Generally electronic component
This article describes the characteristics of the panels. ...
What is an infrared receiver?
On 2019-01-02 16:02:03 in Generally electronic semiconductor
This article describes the infrared receiver ...
how to detect infrared receiving diode?
On 2018-10-26 16:55:08 in Generally electronic semiconductor
the judgment electrode is the same as that for detecting the normal or reverse resistors of ordinary light emitting diodes or diodes. ...
What is a double base diode (Unijunction transistor) and how to detect it?
On 2019-01-07 10:35:39 in Generally electronic semiconductor
This article describes the double base diode (Unijunction transistor) and the detection method of it. ...
How to manufacture a mobile phone battery charger?
On 2019-01-22 16:56:32 in Technology
This article describes how to manufacture a mobile phone battery charger? ...
How to measure the AXTpower?
On 2019-03-12 14:26:30 in Knownlege
This article describes the method to measure the AXTpower ...
What is the detection principle of the optical fiber sensor?
On 2021-02-27 10:46:10 in Sensor
This article introduces the detection principle of optical fiber sensors. ...
Four wave soldering daily maintenance and maintenance knowledge
On 2018-10-30 11:01:43 in Relays
Four wave soldering daily maintenance and maintenance knowledge 1 regularly check the heating pipe voltage is normal,too high voltage will damage the heating pipe. ...
what is an infrared light emitting diode?
On 2018-10-26 16:45:24 in Memory
determine the order of the arrangement of the pins.The multimeter is placed in the R*1 thousand euro file ...
How does an infrared proximity sensor work?
On 2020-11-18 11:26:50 in Sensor
This article describes the characteristics of the sensor. ...
Comparison of OLED and QLED and comparison of advantages
On 2019-05-30 14:42:03 in Generally electronic semiconductor
This article compare the advantages of QLED to OLED ...
LCD liquid crystal display principle and RGB principle
On 2019-07-12 11:58:55 in Photoelectric
This article writes about the LCD liquid crystal display principle and RGB principle ...
how to detect a dual base diode?
On 2018-10-26 17:10:47 in Memory
discriminant emitter E. When the multimeter is placed in the RX1k2 block and the positive and reverse resistance values between any two electrodes are equal (2~10k2) with two forms ...
What is the priciple of the digital tube?
On 2019-01-22 16:49:17 in Photoelectric
This article describes the basic principles of the digital tube ...