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 are the symbols represent in circuit diagram?
On 2019-03-26 11:26:30 in Generally electronic component
This article introduces the symbols represent in circuit diagram ...
CMOS circuit composition and working principle.
On 2019-05-30 14:45:14 in Generally electronic semiconductor
This article introduces the CMOS circuit composition and working principle ...
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 applications of LD pumped all-solid-state green lasers?
On 2021-05-11 10:45:16 in Generally electronic semiconductor
This article describes the characteristics of the display. ...
How to distinguish the types of circuits, and what are the layout rules for mixed digital and analog design?
On 2020-08-25 11:24:36 in IC Chips
This article describes the characteristics of the circuits. ...
Material Selection and Supply Chain Management in PCBA Manufacturing
On 2023-08-02 11:00:46 in PCBA
In the PCBA (Printed Circuit Board Assembly) manufacturing process, material selection and supply chain management are key links. This article will introduce the principles of material selection and common materials in PCBA manufacturing, as well as the i ...
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 ...
Monitoring air quality with optical nanosensors
On 2019-07-25 11:20:06 in Sensor
This article describes the monitoring air quality with optical nanosensors ...
Intel dual bridge G41 chipset motherboard timing.
On 2019-11-25 11:21:43 in IC Chips
This article describes the characteristics of Intel dual bridge G41 chipset motherboard timing. ...
What is an buzzer and speaker?
On 2019-01-21 16:58:01 in Generally electronic component
This article describes the buzzer and speaker. ...
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. ...
The principle of the radio analysis
On 2019-01-05 11:13:09 in Generally electronic component
This article describes the principle of the radio analysis ...
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 ...
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 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 ...
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. ...
How to identify and detect electronic components
On 2018-12-05 11:39:50 in Technology
This article briefly introduce how to identify and detect electronic components ...
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. ...
How to measure motherboard standby conditions?
On 2019-06-15 15:28:54 in Technology
This article describes how to measure motherboard standby conditions. ...
What is the magnetron of the microwave oven and how does it works?
On 2018-12-20 15:01:50 in Knownlege
This article introduces the functional characteristics, working principles of the continuous wave force air-cooled magnetron used in the microwave oven. ...
What is the history of the analog circuit and its future development trend?
On 2019-09-19 09:59:55 in Generally electronic component
This article describes the characteristics of the the the analog circuit. ...
What is a multivibrator?
On 2019-01-08 16:54:51 in IC Chips
This article describes the multivibrator. ...
MCU-Crystal Reset Circuit and Power Supply
On 2023-03-15 13:26:20 in Generally electronic semiconductor
A crystal reset circuit with a carefully chosen power supply is used for providing an exact clock frequency for MCU and filter applications, ensuring accuracy and reliability. ...
How to measure capacitance capacity?
On 2019-11-09 10:29:13 in Capacitors
This article describes the characteristics of capacitance. ...
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 the difference between different panels?
On 2021-10-22 11:13:25 in Generally electronic component
This article describes the characteristics of the panels. ...
Detailed explanation of the rectification circuit of the DC regulated power supply
On 2023-03-08 13:38:07 in IC Chips
Rectifier circuit is an integral part of DC-to-DC converters, which uses diodes to convert the incoming AC signal into a single and consistent DC signal. The transformer adjusts the AC signal before it is filtered, and the error amplifier monitors the out ...
What is the difference between infrared sensor and catalytic combustion sensor?
On 2023-12-18 15:10:24 in Sensor
This article describes the characteristics of the infrared sensor and catalytic combustion sensor. ...
The operating principle of the Intel dual-bridge G41 chipset motherboard boot circuit.
On 2019-04-17 17:02:11 in Knownlege
This article describes the operating principle of the Intel dual-bridge G41 chipset motherboard boot circuit. ...
DS05- 7B (seven tube) superheterodyne radio debugging
On 2019-01-14 17:26:09 in Knownlege
This article writes about the DS05- 7B (seven tube) superheterodyne radio debugging ...
What types of monitors are divided into display technologies?
On 2021-11-27 10:41:03 in Photoelectric
This article describes the characteristics of the display technologies. ...
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 a BTG thyristor?
On 2018-10-29 15:06:32 in Generally electronic semiconductor
The BTG thyristor is a special semiconductor device.The utility model can be used as a thyristor and can be used as a single junction transistor ( double base diode ) ...
Need know about the working of a sweep-frequency generator
On 2018-12-20 11:32:53 in Knownlege
This article describes need know about the working of a sweep-frequency generator ...
Four switching power supplies common fail and repair skills
On 2019-07-11 10:59:51 in Generally electronic component
This article briefly introduces four switching power supplies common fail and repair skills ...
The motherboard clock circuit works principle
On 2019-04-30 11:22:08 in IC Chips
This article introduces the work principle of motherboard clock circuit works. ...