Study on luminescence Properties of Red Phosphors for White LED
On 2019-01-14 16:02:18 in Photoelectric
This article study on luminescence Properties of Red Phosphors for White LED ...
OSRAM's first LED using quantum dot-light conversion technology is available
On 2019-05-28 13:49:41 in Discrete Semiconductor
This article describes that OSRAM's first LED using quantum dot-light conversion technology is availableThis article describes that OSRAM's first LED using quantum dot-light conversion technology is available ...
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 ...
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 is the Nitride system?
On 2019-01-12 16:06:47 in Knownlege
This article describes the Nitride system ...
what is a discoloration light emitting diode?
On 2018-12-27 13:33:07 in Photoelectric
This article describes the discoloration light emitting diodes ...
What is tungsten-molybdate system?
On 2019-01-14 16:51:56 in Knownlege
This article describes the tungsten-molybdate system ...
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 silicate system?
On 2019-01-15 11:07:23 in Knownlege
This article briefly introduces the silicate system ...
What is the Titanate system?
On 2019-01-14 17:51:29 in Knownlege
This article writes about the Titanate system. ...
how to detect the discoloration LEDs?
On 2018-10-26 16:40:18 in Memory
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 measurement of Zener diode?
On 2019-10-28 10:30:51 in Discrete Semiconductor
This article describes the characteristics of Zener diode. ...
How does LED appear and develop?
On 2019-01-11 10:23:23 in Photoelectric
This article describes how does LED appear and develop ...
What are the problems in radio assembly?
On 2019-01-15 14:05:25 in Knownlege
This article describes the problems in radio assembly ...
Function of digital multimeter diode block.
On 2019-04-13 14:33:53 in Knownlege
This article briefly introduces the function of digital multimeter diode block. ...
How to detect the AC voltage/current and DC voltage/current with using a multimeter?
On 2019-02-22 13:54:44 in Technology
This article describes methods for detecting the AC voltage/current and DC voltage/current with using a multimeter ...
What are the main parameters and types of LEDs and how to detect LED?
On 2018-12-14 13:55:28 in Photoelectric
This article writes about the the main parameters and types of LEDs and how to detect LED ...
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 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. ...
how to detect the four end small power thyristor?
On 2018-10-29 15:00:02 in Relays
To detect the unidirectional conductivity of PN junction,the multimeter is placed in RX 1K block,and the positive and negative resistance between A-GA,GKGA and Gk-K are measured. ...
what is a super bright light emitting diode?
On 2018-10-26 16:22:18 in Generally electronic semiconductor
The common L.ED luminescence intensity has developed from several mned to dozens of med. ...
How to identify and detect transistors?
On 2018-10-27 10:56:39 in Generally electronic semiconductor
Intuitionistic recognition.Figure shows the pin distribution diagram of common transistors. ...
what is a multidigit LED digital tube?
On 2018-10-29 15:17:58 in Photoelectric
A number of LED digital tube is developed on the basis of an LED digital tube.The number of digital characters will be packaged together to become a number of digital control ...
How to measure the MOS field effect transistor?
On 2018-12-21 14:50:02 in Generally electronic semiconductor
This article briefly introduces how to measure the MOS field effect transistor ...
What are the performance characteristics and detection methods of diode half-bridge components?
On 2018-12-15 13:58:00 in Generally electronic semiconductor
This article briefly introduces the performance characteristics and detection methods of diode half-bridge components ...
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 is a damped line output transistor?
On 2018-10-27 11:06:35 in Relays
The line output high power transistor with a damping transistor is a special tube in the output circuit of the television.Figure 6A shows the internal structure and equivalent circuit of the output transistor with damping line ...
Identification of Fixed Resistors
On 2018-12-15 14:11:23 in Resistors
This article writes about the identification of Fixed Resistors ...
How to measure the LED digital tube?
On 2018-10-29 15:14:20 in Photoelectric
The appearance discrimination of digital tube usually has 10 pins,usually divided into two rows. ...
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 identify and detect bidirectional thyristors?
On 2018-12-18 15:02:24 in Generally electronic semiconductor
This article introduces some ways to identify and detect bidirectional thyristors ...
What is a monochrome LED dot matrix display?
On 2018-10-29 15:27:20 in Relays
Excellent LED dot matrix display is a monochrome light-emitting diode in accordance with the structure of rows and columns ...
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. ...
2-way optocoupler relay module
On 2023-03-22 14:16:42 in IC Chips
The 2-channel optical coupler relay module IC is a versatile and reliable IC used to transfer signals and protect circuits in a variety of devices. ...
How to measure the transistor?
On 2019-10-30 10:34:17 in Discrete Semiconductor
This article describes the characteristics of measuring the transistor. ...
Diode
On 2019-01-04 14:17:26 in Generally electronic semiconductor
This article writes about the diode. ...
Identification and detection of semiconductor triode.
On 2018-12-14 13:40:36 in Generally electronic semiconductor
This article describes the identification and detection of semiconductor triode. ...
Identification and detection of semiconductor triode
On 2018-10-30 10:53:09 in Generally electronic semiconductor
The triode transistor, also called a semiconductor triode, also called a bipolar transistor and a crystal triode ...