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 to make an electronic energy saving lamp?
On 2019-01-19 16:55:13 in Technology
This article describes to make an electronic energy saving lamp ...
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 ...
What is a wavefront sensor?
On 2018-12-04 10:38:41 in Photoelectric
This article briefly introduces the wavefront sensor ...
Type of electronic tube
On 2018-12-03 11:50:39 in Technology
This article is about types of electronic tube ...
Plug-in of electronic components
On 2018-11-01 13:51:17 in Relays
Manual insertion and welding should be first inserted into those components that need to be mechanically fixed,such as the power device radiator,bracket,clip,etc,and then insert the need to weld fixed components. ...
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 ...
How to convert blue OLED to white OLED?
On 2021-11-20 11:11:46 in Photoelectric
This article describes the characteristics of the OLED to white OLED. ...
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 is a differential signal, why use amplifier circuit ?
On 2019-09-29 10:14:16 in Generally electronic component
This article describes the characteristics of the amplifier. ...
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 ...
What are the parameters of inverter?
On 2019-05-23 11:56:26 in Generally electronic component
This article writes about the parameters of inverter ...
Filter circuit
On 2019-01-04 13:28:12 in Knownlege
This article briefly introduces the filter circuit. ...
Digital multimeter structure and use
On 2019-01-25 17:58:18 in Knownlege
This article describes the digital multimeter structure and use ...
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
This article briefly introduces the five major electronic components。 ...
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 ...
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 ...
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. ...
What are the various driving schemes for LED displays?
On 2020-10-16 10:47:44 in Generally electronic semiconductor
This article describes the characteristics of the LED displays. ...
What is the working principle of various buck regulators?
On 2021-07-13 10:55:40 in Transformer
This article describes the characteristics of the regulators. ...
How to solve the electromagnetic interference problem of LED drive power?
On 2019-09-24 10:17:31 in Photoelectric
This article briefly introduces how to solve the electromagnetic interference problem of LED drive power? ...
What is the matching method of RS-422 and RS-485 transmission lines?
On 2021-12-30 10:59:47 in Connector
This article describes the characteristics of the RS-422 and RS-485 transmission lines. ...
EMI and ESD noise suppression design solutions based on LCD or camera?
On 2020-10-20 11:13:47 in IC Chips
This article describes the characteristics of the LCD. ...
Photosensitive resistor and photosensitive transistor
On 2018-12-29 15:34:08 in Photoelectric
This article describes the photosensitive resistor and photosensitive transistor ...
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 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 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 ...
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. ...
What is the composition and working mode of the ultrasonic sensor in SmartCAR2.0?
On 2023-11-21 16:24:23 in Sensor
This article describes the characteristics of the ultrasonic sensor. ...
In-situ calibration-what is the best method for temperature sensor calibration?
On 2023-11-15 16:35:52 in Sensor
This article describes the characteristics of the temperature sensor. ...