Effect of Eu doping concentration on luminescence properties of phosphors
On 2019-01-11 14:27:00 in Knownlege
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
Analysis of various process problems of high-density LED display?
On 2020-07-30 11:16:59 in IC Chips
Common problems and solutions in PCBA manufacturing process
On 2023-07-19 13:54:50 in PCBA
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
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
How to detect the quality of fuse resistor and thermistor by pointer multimeter?
On 2019-05-31 14:16:46 in Resistors
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
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
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 make an inductive electronic welcome device?
On 2019-01-23 17:10:29 in Technology
What is a three-terminal regulator integrated circuit and IC socket?
On 2019-01-21 10:52:42 in IC Chips
What is an inductor and how to distinguish the inductance value?
On 2019-01-21 10:47:08 in Inductor
What are the common transistors?
On 2019-01-08 16:15:52 in Generally electronic semiconductor
Display LCD and LED
On 2018-12-08 10:52:21 in Generally electronic semiconductor
What is the principle of LED lighting technology?
On 2021-11-25 10:39:52 in Photoelectric
What are the applications of panel shielding?
On 2020-12-15 11:29:40 in IC Chips
What is the principle of a Hall effect sensor?
On 2020-11-19 11:39:47 in Sensor
What are the commonly used power semiconductor devices?
On 2020-03-10 11:58:35 in Generally electronic semiconductor
Is there any strategy to improve electromagnetic compatibility design?
On 2019-08-10 11:31:37 in Generally electronic component
Notes on FPGA pin adjustment
On 2023-03-18 11:50:26 in IC Chips
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 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
How to measure the AXTpower?
On 2019-03-12 14:26:30 in Knownlege
What should you know before solder?
On 2019-01-12 13:20:48 in Knownlege
What is a binary code and encoder ?
On 2019-01-11 13:34:20 in IC Chips
What are the characteristics and main parameters of Humidity sensitive resistor?
On 2019-01-09 15:32:22 in Resistors
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 are the main parameters of the varistor?
On 2019-01-09 13:22:09 in Resistors
What is a two-way trigger diode and how to detect it?
On 2019-01-02 17:59:43 in Generally electronic semiconductor
The main parameters and identification of the potentiometer
On 2018-12-20 13:38:20 in Generally electronic component
Type and function of time relay
On 2018-12-08 10:45:33 in Knownlege
How to choose an air switch
On 2018-12-06 13:34:28 in Knownlege
the detection of the resistor
On 2018-10-31 10:55:57 in Memory
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
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
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
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
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 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