Effect of Eu doping concentration on luminescence properties of phosphors

On 2019-01-11 14:27:00  in Knownlege

Effect of Eu doping concentration on luminescence properties of phosphors

This article describes the effect of Eu doping concentration on luminescence properties of phosphors ...

The process of tin welding

On 2018-12-11 13:27:08  in Technology

The process of tin welding

​ This article briefly introduces the process of tin welding ...

Analysis of various process problems of high-density LED display?

On 2020-07-30 11:16:59  in IC Chips

Analysis of various process problems of high-density LED display?

This article describes the characteristics of the LED display. ...

Common problems and solutions in PCBA manufacturing process

On 2023-07-19 13:54:50  in PCBA

Common problems and solutions in PCBA manufacturing process

During the PCBA manufacturing process, various problems are often encountered, such as poor soldering, circuit board damage, and component quality problems. ...

The principle, advantages and disadvantages of several liquid level gauges

On 2019-07-03 10:58:24  in Knownlege

The principle, advantages and disadvantages of several liquid level gauges

This article describes the principle, advantages and disadvantages of several liquid level gauges ...

The principle and comparison of several level gauges for different price grades.

On 2019-06-06 15:01:16  in Knownlege

The principle and comparison of several level gauges for different price grades.

The principle and comparison of several level gauges for different price grades. ...

How to detect the quality of fuse resistor and thermistor by pointer multimeter?

On 2019-05-31 14:16:46  in Resistors

How to detect the quality of fuse resistor and thermistor by pointer multimeter?

This article aims to describe some methods for detecting the quality of a fuse resistor and thermistor by a pointer multimeter. ...

Discrimination on the pseudo-concept of "reverse earth resistor value and modification of multimeter pens

On 2019-04-16 11:29:12  in Knownlege

Discrimination on the pseudo-concept of "reverse earth resistor value and modification of multimeter pens

This article briefly introduces the discrimination on the pseudo-concept of "reverse earth resistor value” and modification of multimeter pens ...

How to judge whether there is a fault element according to the value of earth resistance?

On 2019-04-03 14:22:13  in Knownlege

How to judge whether there is a fault element according to the value of earth resistance?

This article describes the how to judge whether there is a fault element according to the value of earth resistor. ...

How to detect the value of HEF with a multimeter?

On 2019-02-26 17:58:23  in Knownlege

How to detect the value of HEF with a multimeter?

This article briefly introduces the method of detecting HFE ...

How to make an inductive electronic welcome device?

On 2019-01-23 17:10:29  in Technology

How to make an inductive electronic welcome device?

This article describes how to make an inductive electronic welcome device ...

What is a three-terminal regulator integrated circuit and IC socket?

On 2019-01-21 10:52:42  in IC Chips

What is a three-terminal regulator integrated circuit and IC socket?

This article briefly introduces the three-terminal regulator integrated circuit and IC socket ...

What is an inductor and how to distinguish the inductance value?

On 2019-01-21 10:47:08  in Inductor

What is an inductor and how to distinguish the inductance value?

This article describes what is an inductor and how to distinguish the inductance value ...

What are the common transistors?

On 2019-01-08 16:15:52  in Generally electronic semiconductor

What are the common transistors?

​This article introduces some common transistors ...

Display LCD and LED

On 2018-12-08 10:52:21  in Generally electronic semiconductor

Display LCD and LED

This article writes about the different roles of display LCD and LED ...

What is the principle of LED lighting technology?

On 2021-11-25 10:39:52  in Photoelectric

What is the principle of LED lighting technology?

This article describes the characteristics of the LED lighting technology. ...

What are the applications of panel shielding?

On 2020-12-15 11:29:40  in IC Chips

What are the applications of panel shielding?

This article describes the characteristics of the sensors. ...

What is the principle of a Hall effect sensor?

On 2020-11-19 11:39:47  in Sensor

What is the principle of a Hall effect sensor?

This article describes the characteristics of the sensors. ...

What are the commonly used power semiconductor devices?

On 2020-03-10 11:58:35  in Generally electronic semiconductor

What are the commonly used power semiconductor devices?

This article describes the characteristics of the power semiconductor devices. ...

Is there any strategy to improve electromagnetic compatibility design?

On 2019-08-10 11:31:37  in Generally electronic component

Is there any strategy to improve electromagnetic compatibility design?

This article describes the characteristics of the electromagnetic compatibility. ...

Notes on FPGA pin adjustment

On 2023-03-18 11:50:26  in IC Chips

Notes on FPGA pin adjustment

Adjusting FPGA pins is essential for creating functional IC chips, reducing costs and improving reliability. It is important to remember various points before adjusting the pins, such as current, impedance, temperature, direction and performance testing. ...

RJ45 Connectors

On 2023-03-04 14:24:38  in Capacitors

RJ45 Connectors

RJ45 connector is a networking component consisting of pins, plastic cover and metal contacts, used to connect two devices and store electrical charge for data transmission. ...

Do you know capacitance on the ATX power supply?

On 2019-10-29 14:41:14  in Capacitors

Do you know capacitance on the ATX power supply?

This article describes the characteristics of capacitance on the ATX power supply. ...

How to measure the AXTpower?

On 2019-03-12 14:26:30  in Knownlege

How to measure the AXTpower?

This article describes the method to measure the AXTpower ...

What should you know before solder?

On 2019-01-12 13:20:48  in Knownlege

What should you know before solder?

This article describes some konwnledge that you should know before solder. ...

What is a binary code and encoder ?

On 2019-01-11 13:34:20  in IC Chips

What is a binary code and encoder ?

This article describes the binary code and encoder ...

What are the characteristics and main parameters of Humidity sensitive resistor?

On 2019-01-09 15:32:22  in Resistors

What are the characteristics and main parameters of Humidity sensitive resistor?

This article writes about the characteristics and main parameters of Humidity sensitive resistor ...

What is a Aluminum Electrolytic Capacitor and its characteristics and applications?

On 2019-01-09 14:19:25  in Capacitors

What is a Aluminum Electrolytic Capacitor and its characteristics and applications?

This article describes the characteristics and applications of Aluminum Electrolytic Capacitor ...

What are the main parameters of the varistor?

On 2019-01-09 13:22:09  in Resistors

What are the main parameters of the varistor?

This article describes the main parameters of the varistor. ...

What is a two-way trigger diode and how to detect it?

On 2019-01-02 17:59:43  in Generally electronic semiconductor

What is a two-way trigger diode and how to detect it?

This article describes the two-way trigger diode and the detection. ...

The main parameters and identification of the potentiometer

On 2018-12-20 13:38:20  in Generally electronic component

The main parameters  and identification of the potentiometer

This article introduces the main parameters and identification of the potentiometer ...

Type and function of time relay

On 2018-12-08 10:45:33  in Knownlege

Type and function of time relay

​ This article briefly introduces different type and function of time relay ...

How to choose an air switch

On 2018-12-06 13:34:28  in Knownlege

How to choose an air switch

​This article briefly introduces how to choose an air switch ...

the detection of the resistor

On 2018-10-31 10:55:57  in Memory

the detection of the resistor

Will be two pen ( regardless of the positive and negative ) are connected with the two ends of the resistor can be connected to measure the actual resistance value ( in order to improve the measurement accuracy ...

​how to detect the transient voltage suppression diode?

On 2018-10-26 17:00:00  in Generally electronic semiconductor

​how to detect the transient voltage suppression diode?

using a multimeter RX 10kilo-ohm for a monopole type TVS,the positive and reverse resistors can be measured by measuring ordinary diodes ...

Autotransformer and voltage regulating transformer

On 2018-08-28 17:33:17  in Relays

Autotransformer and voltage regulating transformer

The common characteristic of transformer is that the DC circuit on both sides is completely separated, and the energy transfer on both sides is coupled by magnetic field. ...

Potentiometer detection and resistance detection

On 2018-08-22 12:04:06  in Relays

Potentiometer detection and resistance detection

The actual resistance value can be measured by connecting two forms (no positive or negative) to the two ends of the resistor respectively. ...

Soldering Technology and Process in PCBA Assembly

On 2023-07-22 16:10:51  in PCBA

Soldering Technology and Process in PCBA Assembly

In the PCBA (Printed Circuit Board Assembly) assembly process, the selection of soldering technology and process is crucial to ensure soldering quality and improve product reliability. This article will introduce the soldering techniques commonly used in ...

Surface Mount Technology and Challenges in PCBA Assembly

On 2023-07-20 14:14:44  in PCBA

Surface Mount Technology and Challenges in PCBA Assembly

Surface mount technology is an important link in the PCBA (Printed Circuit Board Assembly) assembly process. This article will introduce the basic principles of surface mount technology and common assembly methods, and at the same time discuss the challen ...

OLED development

On 2019-07-13 13:32:12  in Photoelectric

OLED development

This article describes OLED development ...