Display LCD and LED
On 2018-12-08 10:52:21 in Generally electronic semiconductor
This article writes about the different roles of display LCD and LED ...
What is the working principle and function of the air conditioning sensor?
On 2023-08-21 17:53:57 in Sensor
This article describes the characteristics of the air conditioning sensor. ...
Type of electronic tube
On 2018-12-03 11:50:39 in Technology
This article is about types of electronic tube ...
What are the applications of decoupling capacitors in single-chip circuits?
On 2019-09-26 10:22:42 in Capacitors
This article describes the characteristics of the capacitors. ...
Third, the detection of integrated circuits
On 2018-10-31 11:32:53 in Generally electronic semiconductor
on-line detection : measure the DC voltage of each foot of the integrated circuit, compare with the standard value, judge the quality of the integrated circuit. ...
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. ...
What is the turn-off thyristor?
On 2018-10-29 15:02:28 in Generally electronic semiconductor
The GTO is also a PNPN four-layer semiconductor device whose structure and equivalent circuit are the same as ordinary thyristors. ...
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 ...
How to Reduce the Power Consumption of the Relay
On 2018-12-28 11:03:22 in Relays
This article describes the methods to reduce the power consumption of the relay ...
Application of the operational amplification
On 2019-03-13 11:31:37 in IC Chips
This article describes application of the operational amplification ...
What should be pay attention when installing ICs on the board?
On 2019-01-18 17:08:30 in IC Chips
This article briefly introduces what should be pay attention when installing ICs on the board ...
CMOS circuit fault maintenance method.
On 2019-05-06 11:21:24 in Technology
This article describes the maintenance method of CMOS circuit. ...
What is a negative temperature coefficient thermistor ( NTC )?
On 2018-12-14 14:37:37 in Generally electronic semiconductor
This article describes the features of negative temperature coefficient thermistor ( NTC ). ...
What are the current selection and usage methods of lithium battery protection board?
On 2021-05-17 10:54:22 in Generally electronic component
This article describes the characteristics of the lithium battery protection board. ...
How much do you know about LED display and DLP splicing screen?
On 2020-07-29 11:26:53 in Generally electronic semiconductor
This article describes the characteristics of the LED display and DLP splicing screen. ...
The working principle of APW7120 chip.
On 2019-07-01 17:52:15 in IC Chips
This article analyze the working principle of APW7120 chip ...
How to share applications about controlling power-up and shutdown timing
On 2020-07-18 10:57:35 in IC Chips
This article describes the characteristics of the controlling power-up and shutdown timing. ...
The difference between sensor and sensor module
On 2018-12-06 11:33:39 in Knownlege
This article briefly introduces The difference between sensor and sensor module ...
Electrooptic devices are just the opposite
On 2018-10-31 11:01:18 in Knownlege
The history of photoelectric technology is actually earlier than that of electronic technology.In early twentieth Century, Einstein won the Nobel prize with the discovery of photoelectric effect ...
What is the step-down working principle of capacitor?
On 2019-01-19 16:30:32 in Capacitors
This article writes about the step-down working principle of capacitor. ...
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 ...
The working principle of RT9214 chip is analyzed.
On 2019-06-05 18:04:10 in IC Chips
This article briefly introduces the working principle of RT9214 chip. ...
What test methods are available to test connector reliability?
On 2019-07-25 11:23:00 in Connector
This article describes some methods to test connector reliability. ...
Capacitor function
On 2018-12-10 10:40:15 in Capacitors
This article describes the role of capacitor ...
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 ...
2-way optocoupler relay module
On 2023-03-22 14:16:42 in IC Chips
The 2-channel optical coupler relay module IC is a versatile and reliable IC used to transfer signals and protect circuits in a variety of devices. ...
What factors are related to the resistance of the resistor
On 2018-12-06 10:35:16 in Knownlege
This article briefly introduces main factors related to the resistance of the resistor ...
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 methods and techniques for detecting switching circuit?
On 2019-12-06 10:25:39 in Generally electronic component
This article describes the characteristics of the switch. ...
What is the working principle of DC-DC converter_DC-DC converter?
On 2021-05-12 11:49:52 in Generally electronic semiconductor
This article describes the characteristics of the DC-DC converter. ...
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 ...
How to design of energy-saving electric vehicle AC drive system based on boost DC-DC bidirectional converter and inverter?
On 2021-07-10 10:44:20 in Transformer
This article describes the characteristics of the converter and inverter ...
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 ...
12V battery level indicator circuit (LED bargraph)
On 2018-12-20 11:55:33 in Generally electronic component
This article briefly introduces 12V battery level indicator circuit (LED bargraph) ...
The working principle of AMD RS880 chipset motherboard
On 2019-04-11 11:11:16 in Knownlege
This article describes the working principle of AMD RS880 chipset motherboard. ...
What is an integrated circuit?
On 2018-12-18 16:15:07 in IC Chips
This article briefly introduces what is an integrated circuit ...
How to choose the drive resistance in the triode analog circuit?
On 2019-09-28 10:43:01 in Technology
This article describes the characteristics of the drive resistance. ...