What should be pay attention when installing diodes and transistors on the board?
On 2019-01-18 17:42:43 in Generally electronic semiconductor
This article briefly introduces what should be pay attention when installing diodes and transistors on the board? ...
what is a double base diode (single junction transistor)?
On 2018-10-26 17:09:25 in Memory
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. ...
how to detect a two-way trigger diode?
On 2018-10-26 17:02:25 in Memory
use the multimeter to place the multimeter in the RX1~RX10kQ gear and measure the positive and reverse resistance of the bidirectional trigger diode ...
how to detect the transient voltage suppression diode?
On 2018-10-26 17:00:00 in Generally electronic semiconductor
using a multimeter RX 10kilo-ohm for a monopole type TVS,the positive and reverse resistors can be measured by measuring ordinary 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. ...
what is a diode? What are the features?
On 2018-10-26 15:47:07 in Generally electronic semiconductor
The second plate has a unidirectional conductivity, allowing only the current to flow from the positive to the negative ...
What is a transient voltage suppressor diode ( TVS )?
On 2018-10-26 16:57:28 in Relays
Transient voltage suppressor diode is a new type of overvoltage safety protection device. The utility model has the advantages of small size ...
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 ...
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. ...
Diode rectifier filter circuit Diode half wave rectifier circuit
On 2018-08-28 17:36:03 in Relays
Therefore, bridge rectifier has been widely used.Diode half wave rectifier circuit ...
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 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 ...
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 ...
How to detect a diode with using a digital multimeter?
On 2019-02-15 14:09:05 in Knownlege
This article briefly introduces how to detect a diode with using a digital multimeter ...
What are the application characteristics of TVS transient voltage suppression diode principle?
On 2021-07-19 11:00:18 in IC Chips
This article describes the characteristics of the diode. ...
How to detect a flashing light emitting diode(BTS)?
On 2018-12-25 11:45:47 in Generally electronic semiconductor
This article briefly introduces how to detect a flashing light emitting diode(BTS) ...
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. ...
What is the difference between a photodiode and a photomultiplier?
On 2020-03-17 10:05:17 in IC Chips
This article describes the characteristics of the photodiodes and photomultipliers. ...
What are the precautions for using MOS tubes?
On 2019-08-06 10:47:35 in Generally electronic semiconductor
This article describes the characteristics of the MOS tubes. ...
Crystal structure and particle size analysis of LaInO
On 2019-01-12 15:37:42 in Knownlege
This article describes the crystal structure and particle size analysis of LaInO ...
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 ...
Combinational Logic Circuit Analysis
On 2023-03-17 14:11:18 in IC Chips
IC chips are electronic components composed of transistors, diodes and logic gates used in electronic systems for various operations. ...
If there is no same type of pipe in use, how to replace it?
On 2018-10-26 15:50:14 in Relays
Diodes are generally not good repair, damage can only be replaced. In selecting diodes, we should pay attention to the following principles. ...
What is excitation spectra?
On 2019-01-11 13:21:32 in Knownlege
This article briefly introduces the principle of excitation spectra ...
How to convert blue OLED to white OLED?
On 2021-11-20 11:11:46 in Photoelectric
This article describes the characteristics of the OLED to white OLED. ...
What is the spectral properties?
On 2019-01-15 12:09:58 in Knownlege
This article describes the spectral properties. ...
Diffenrent kinds of light sensor
On 2018-12-05 12:03:59 in Sensor
This article briefly introduces four kinds of light sensor ...
How to test and repair the rectifier bridge?
On 2018-12-17 14:45:30 in Generally electronic semiconductor
This article introduces some ways to test and repair the rectifier bridge ...
What is the Nitride system?
On 2019-01-12 16:06:47 in Knownlege
This article describes the Nitride system ...
LED digital tube.
On 2021-03-03 10:32:13 in Generally electronic component
This article describes the role of LED digital tube. ...
What are the commonly used power semiconductor devices?
On 2020-03-10 11:58:35 in Generally electronic semiconductor
This article describes the characteristics of the power semiconductor devices. ...
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 silicate system?
On 2019-01-15 11:07:23 in Knownlege
This article briefly introduces the silicate system ...
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 ...
How to measure the transistor?
On 2019-10-30 10:34:17 in Discrete Semiconductor
This article describes the characteristics of measuring the transistor. ...
What about low-capacitance EMI filters with improved performance?
On 2020-11-03 12:08:19 in Generally electronic semiconductor
This article describes the characteristics of the EMI filters. ...
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 ...
Max Born Institute in Berlin: Ultra-short current surges through rectified light
On 2019-05-11 13:47:17 in Knownlege
This article introduces the Ultra-short current surges through rectified light ...
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. ...
what is an infrared receiver?
On 2018-10-26 16:53:35 in Memory
The infrared receiving tube is a semiconductor device used to receive the infrared light wave generated by the infrared light emitting diode and convert it into electrical signal. ...