What are the tips for selecting TVS?
On 2021-07-15 10:51:19 in Generally electronic component
What is a varactor and how to detect it?
On 2019-01-04 10:52:48 in Generally electronic semiconductor
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
Classification and model naming of Integrated Circuits
On 2018-12-13 15:16:20 in IC Chips
Type of electronic tube
On 2018-12-03 11:50:39 in Technology
What screen is led backlight and what is the difference with OLED?
On 2021-10-26 11:25:34 in Photoelectric
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
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
How to reduce errors in detecting AC voltages with using a pointer multimeter?
On 2019-02-12 17:11:15 in Knownlege
What is a LED emission tube and how to detect it?
On 2018-12-21 14:28:11 in Photoelectric
What is an optical coupler and how to measure it?
On 2018-12-15 14:23:34 in Photoelectric
What are capacitance charging and discharge?
On 2019-08-21 10:54:46 in Capacitors
Digital multimeter structure and use
On 2019-01-25 17:58:18 in Knownlege
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 are the five major electronic components?
On 2018-12-01 11:49:17 in Technology
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 ...
What are the main parameters and types of LEDs and how to detect LED?
On 2018-12-14 13:55:28 in Photoelectric
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 ...
AMD Dual-Bridge RS880 Chipset Board Timing.
On 2019-12-17 11:06:05 in Discrete Semiconductor
How to detect the Field effect transistor quality and replace the bad one ?
On 2019-03-23 11:36:39 in Generally electronic semiconductor
How to judge a capacitor is good or bad and replace the bad one?
On 2019-03-11 12:00:02 in Technology
What should you know before solder?
On 2019-01-12 13:20:48 in Knownlege
What are the common transistors?
On 2019-01-08 16:15:52 in Generally electronic semiconductor
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
Pin identification and detection method of LED digital tube
On 2019-01-05 12:09:49 in Photoelectric
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
What are the features and use note of CMOS circuit?
On 2019-01-09 14:07:06 in Knownlege
How to use a digital multimeter?
On 2018-12-28 14:41:08 in Technology
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. ...
Specific use of multimeter in ATX power maintenance.
On 2019-04-18 14:50:01 in Knownlege
What is the working principle of DC-DC converter_DC-DC converter?
On 2021-05-12 11:49:52 in Generally electronic semiconductor
The working principle of RT9214 chip is analyzed.
On 2019-06-05 18:04:10 in IC Chips
What is the welding process of printed circuit board?
On 2019-01-12 11:44:44 in Knownlege
What is a high-power Darlington tube ( module )?
On 2018-10-27 11:25:32 in IC Chips
The high-power Darlington tube is internally connected with a protective device,and the internal structure of the high-power Darlington tube is shown in Figure ...