What is the basic function of ATX power supply?
On 2019-03-20 11:40:51 in Knownlege
This article introduces the basic function of ATX power supply ...
Analysis of the power supply circuit of the main board bridge of the Intel G41 chipset.
On 2019-04-13 14:10:40 in IC Chips
This article describes the analysis of the power supply circuit of the main board bridge of the Intel G41 chipset. ...
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. ...
What is an infrared receiver?
On 2019-01-02 16:02:03 in Generally electronic semiconductor
This article describes the infrared receiver ...
Do you know how to use the MOS tube correctly?
On 2019-08-06 10:50:13 in Generally electronic semiconductor
This article describes the characteristics of the MOS tube. ...
What is the difference between a triode and a MOS transistor on an analog circuit?
On 2019-12-02 10:36:58 in Generally electronic semiconductor
This article describes the characteristics of the triode and a MOS transistor. ...
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 repair a transformer after it has been damaged
On 2018-12-20 11:26:34 in Technology
The article explores some repair methods after the transformer has been damaged ...
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 role of automotive air conditioning pressure switch?
On 2018-12-08 11:59:42 in Knownlege
This article describes the role of automotive air conditioning pressure switch ...
How to detect the BTG thyristor?
On 2018-10-29 15:08:36 in Memory
Judging the electrode to place the multimeter in RX1K2 block,and the red and black stylus rotation to connect a pair of electrodes,when a pair of pins is measured to be low resistance ...
What is the difference between analog power supply, switching power supply, and digital power supply?
On 2021-03-20 10:47:06 in Crystals Oscillators/Resonators
This article describes the characteristics of the power supply. ...
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 is a bidirectional thyristor?
On 2018-10-29 14:25:17 in Memory
Bidirectional thyristor(TRIAC)is a new type of semiconductor device developed on the basis of one-way thyristor ...
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 ...
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 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 ...
What are the signal letters on mainboard?
On 2019-03-14 11:26:47 in IC Chips
This article briefly introduces some signal letters on mainboard ...
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 ...
How the PSON to power on the ATX and then output other dc outputs?
On 2019-03-16 13:48:08 in Technology
This article writes about the PSON to power on the ATX and then output other dc outputs? ...
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 the applications of Hall current sensors in telecommunications rectifiers?
On 2021-08-04 11:00:02 in Sensor
This article describes the characteristics of the rectifiers. ...
How to change the power frequency transformer into a switching power supply?
On 2021-07-01 10:53:59 in Transformer
This article describes the characteristics of the transformer. ...
Maintenance method for memory power supply failure.
On 2019-04-24 11:52:22 in Knownlege
This article writes about the Maintenance method for memory power supply failure. ...
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 ...
GND( ground) resistor value measured by a multimeter
On 2019-04-02 11:32:30 in Resistors
This article describes the GND( ground) resistor value measured by a multimeter ...
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 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 ...
What is the difference between a transformer and a coupled inductor?
On 2019-06-10 16:00:27 in Transformer
This article writes about the different between a transformer and a coupled inductor ...
How do you choose isolation architectures, circuits, and components in power inverter applications?
On 2018-11-21 10:57:27 in Memory
Both motor and power control inverter designers have the same problem of isolating control and user interface circuits from dangerous power line voltages. ...
How to select a automobile digital multimeter?
On 2019-03-08 11:31:34 in Knownlege
This article describes the selection method of automobile digital multimeter. ...
Specific use of multimeter in ATX power maintenance.
On 2019-04-18 14:50:01 in Knownlege
This article briefly introduces the specific use of multimeter in ATX power maintenance. ...
What are the RF microwave power amplifiers?
On 2020-05-20 10:30:58 in IC Chips
This article describes the characteristics of the RF microwave power amplifiers. ...
What is the π-type RC and LC filter circuit identification method?
On 2019-11-29 10:43:32 in Capacitors
This article describes the characteristics of the filter. ...
The LED display does not work, and the cause of the fault is determined and eliminated according to the flashing green light of the sending card.
On 2019-06-13 16:14:11 in Generally electronic semiconductor
The LED display does not work, and the cause of the fault is determined and eliminated according to the flashing green light of the sending card. ...