What is a varactor and how to detect it?
On 2019-01-04 10:52:48 in Generally electronic semiconductor
This article describes the basic principles of the varactor and detection of varactor ...
how to detect the LED emission tube?
On 2018-10-26 16:31:21 in Memory
The use of multimeter to detect LED luminous platoon is mainly to check whether the LEDs are good ...
What is the difference between LED screen and OLED screen structure?
On 2019-07-13 10:51:23 in Photoelectric
The article explores the difference between LED screen and OLED screen structure ...
Classification and model naming of Integrated Circuits
On 2018-12-13 15:16:20 in IC Chips
This article describes the classification and model naming of Integrated Circuits ...
Type of electronic tube
On 2018-12-03 11:50:39 in Technology
This article is about types of electronic tube ...
What screen is led backlight and what is the difference with OLED?
On 2021-10-26 11:25:34 in Photoelectric
This article describes the characteristics of the led backlight ...
What is the high-power VMOS field effect transistor and how to detect it?
On 2018-12-25 11:24:29 in Generally electronic semiconductor
This article writes about the high-power VMOS field effect transistor ...
Working principle of DC-DC converter
On 2023-03-22 11:50:53 in IC Chips
The basic principle of a DC-DC converter is to use an electrical circuit that contains an inductor, a capacitor, and other components to convert a DC voltage from one level to another. ...
Why is the two-switch forward converter considered one of the most reliable converters?
On 2019-10-11 09:55:34 in Generally electronic component
This article describes the characteristics of the two-switch forward converter. ...
How to reduce errors in detecting AC voltages with using a pointer multimeter?
On 2019-02-12 17:11:15 in Knownlege
This article briefly introduces the methods for reducing errors in detecting AC voltages. ...
What is a LED emission tube and how to detect it?
On 2018-12-21 14:28:11 in Photoelectric
This article briefly introduces what is a LED emission tube and how to detect it ...
What is an optical coupler and how to measure it?
On 2018-12-15 14:23:34 in Photoelectric
This article introduces what is an optical coupler and how to measure it ...
What are capacitance charging and discharge?
On 2019-08-21 10:54:46 in Capacitors
This article describes the characteristics of capacitance charging and discharge. ...
Digital multimeter structure and use
On 2019-01-25 17:58:18 in Knownlege
This article describes the digital multimeter structure and use ...
Photosensitive resistor
On 2018-10-31 11:15:12 in Resistors
Photoresistor is a device made of semiconductor photoelectric effect principle.When the semiconductor is exposed to light ...
Four wave soldering daily maintenance and maintenance knowledge
On 2018-10-30 11:01:43 in Relays
Four wave soldering daily maintenance and maintenance knowledge 1 regularly check the heating pipe voltage is normal,too high voltage will damage the heating pipe. ...
What is an optical coupler?
On 2018-10-27 10:41:35 in Memory
Optical coupler also known as photoelectric isolator,referred to as optocoupler. Optical couplers use light as a medium to propagate the Telecom number ...
Do you know the electronic filter mapping methods?
On 2019-12-13 10:51:15 in Capacitors
This article describes the characteristics of the electronic filter. ...
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 does an infrared proximity sensor work?
On 2020-11-18 11:26:50 in Sensor
This article describes the characteristics of the sensor. ...
How does an infrared proximity sensor work?
On 2020-06-23 14:34:56 in IC Chips
This article describes the characteristics of the infrared proximity sensor. ...
How does an infrared proximity sensor work?
On 2020-06-19 10:57:14 in Generally electronic semiconductor
This article describes the characteristics of the infrared proximity sensor. ...
How to detect the Field effect transistor quality and replace the bad one ?
On 2019-03-23 11:36:39 in Generally electronic semiconductor
This article writes about the detection and replacement of Field effect transistor quality ...
How to judge a capacitor is good or bad and replace the bad one?
On 2019-03-11 12:00:02 in Technology
This article describes the method to judge a capacitor is good or bad and replace the bad one ...
What should you know before solder?
On 2019-01-12 13:20:48 in Knownlege
This article describes some konwnledge that you should know before solder. ...
What are the common transistors?
On 2019-01-08 16:15:52 in Generally electronic semiconductor
This article introduces some common transistors ...
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 ...
Is the LED display a liquid crystal display?
On 2018-12-04 11:19:23 in Knownlege
This article briefly introduces the display liquid crystal display ...
Pin identification and detection method of LED digital tube
On 2019-01-05 12:09:49 in Photoelectric
This article describes the pin identification and detection method for LED digital tube ...
The identification of model and pin
On 2018-11-01 16:51:26 in Relays
Because the number of LED digital tube is not unified,it can be said that there are no rules to follow ...
What are the classifications of programmable logic devices?
On 2023-08-17 18:01:14 in IC Chips
This article describes the characteristics of the programmable logic devices. ...
What are the features and use note of CMOS circuit?
On 2019-01-09 14:07:06 in Knownlege
This article describes the features and use note of CMOS circuit ...
How to use a digital multimeter?
On 2018-12-28 14:41:08 in Technology
This article describes the use methods of digital multimeter. ...
Output Curve of Field Effect Transistor
On 2018-11-23 10:36:28 in Memory
If the internal resistance of the test voltage is also very small, the tube will burst undoubtedly. ...
Inductance Selection and Layout and Wiring Principle of Switching Power Supply
On 2018-11-23 10:32:58 in Inductor
Switched-Mode Power Supply (SMPS) is a very efficient power converter. Its theoretical value is close to 100%, and there are many kinds. ...
What is the detection principle of the optical fiber sensor?
On 2021-02-27 10:46:10 in Sensor
This article introduces the detection principle of optical fiber sensors. ...
What is the detection principle of fiber optic sensors?
On 2021-01-30 10:58:15 in Sensor
This article introduces the detection principle of fiber optic sensors. ...
How much does the sensor know?
On 2020-11-11 11:02:01 in Sensor
This article describes the characteristics of the sensors. ...
What is the spiral nanopore data storage based on polarization encryption?
On 2019-07-31 10:56:08 in Generally electronic semiconductor
This article describes the characteristics of the spiral nanopore data storage. ...