How to realize energy-saving AC drive system of electric vehicle based on boost DC-DC bidirectional converter and inverter?
On 2021-07-23 10:42:32 in Transformer
This article describes the characteristics of the converter. ...
How to judge the DC voltage/current block failure of the mechanical multimeter and how to repair it?
On 2019-01-28 17:40:45 in Technology
This article writes about some methods to judge the DC voltage/current block failure of the mechanical multimeter and repair it. ...
8-bit microcontroller with analog function and DMA controller in 8-pin package
On 2019-05-13 15:31:02 in IC Chips
This article briefly introduces the 8-bit microcontroller with analog function and DMA controller in 8-pin package ...
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. ...
LED strobe causes
On 2019-06-05 17:59:02 in Generally electronic semiconductor
This article describes the causes of LED strobe ...
How to design the power module of LED display?
On 2021-11-26 11:21:29 in Photoelectric
This article describes the characteristics of the power module. ...
How to distinguish between the pin diagram of the infrared receiver and the amplifier circuit?
On 2019-09-05 10:06:41 in Generally electronic component
This article describes the characteristics of the the infrared receiver and the amplifier circuit. ...
The most advanced LED spectroscopy technology at LIGHTFAIR International (Vitasolis)
On 2019-05-29 16:10:19 in Generally electronic component
This article briefly introduces the most advanced LED spectroscopy technology at LIGHTFAIR International (Vitasolis ...
ROHM has developed a buck-boost DC/DC converter "BD83070GWL" with significant energy saving advantages.
On 2019-08-07 10:34:44 in Generally electronic semiconductor
This article describes the characteristics of the converter. ...
How does the temperature rise of the connector affect the performance of the lithium battery?
On 2020-06-13 10:45:14 in Generally electronic semiconductor
This article describes the characteristics of the battery. ...
What are the analog audio interfaces?
On 2023-05-18 13:34:06 in IC Chips
This article describes the characteristics of the analog audio interfaces. ...
Light-emitting diode
On 2018-12-18 16:00:26 in Photoelectric
This article briefly introduces the light-emitting diode ...
How to test and repair the rectifier bridge?
On 2018-10-26 15:52:31 in IC Chips
Distinguish polarity to place the multimeter in RX1kQ block,and the black stylus arbitrarily connect a pin of the whole bridge component,and measure the other three pins with the red stylus,if the measured resistance is infinite ...
Various pliers
On 2018-12-04 10:07:18 in Knownlege
This article describes the various pliers and their role ...
What is the difference between led backlit screen and IPS screen?
On 2022-01-21 10:43:33 in Discrete Semiconductor
This article describes the characteristics of the screen. ...
What are the common fault solutions for DC high voltage generators?
On 2021-05-19 10:40:16 in Generally electronic semiconductor
This article describes the characteristics of the generators. ...
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. ...
How to measure the AXTpower?
On 2019-03-12 14:26:30 in Knownlege
This article describes the method to measure the AXTpower ...
What is the interconnection method of the PCB board?
On 2020-12-12 10:40:43 in IC Chips
This article describes the characteristics of the PCB board. ...
what is a discoloration light emitting diode?
On 2018-12-27 13:33:07 in Photoelectric
This article describes the discoloration light emitting diodes ...
What are the external interfaces of the computer?
On 2023-05-18 11:44:41 in IC Chips
This article describes the characteristics of the external interfaces of the computer. ...
How to detect quartz crystals and make emergency repairs?
On 2018-12-28 15:51:07 in Generally electronic component
This article introduces some ways to detect quartz crystals and make emergency repairs ...
Structure and characteristics
On 2018-11-01 16:47:41 in Memory
LED digital tube also known as semiconductor digital tube ( Figure 1-1-5 ),it is a number of light-emitting diodes arranged in a fixed pattern and packaged together the most commonly used digital display one of the devices ...
how to detect a photosensitive transistor?
On 2018-10-27 11:13:49 in Memory
the pin of the pin identifies the pin arrangement of the photosensitive transistor as shown in Figure 6-8,the foot near the pin or the longer one is the emitter E,and the far or shorter foot of the foot is the collector C ...
Do you know the power supply IC of the components required for various detection pins for stable control?
On 2023-03-11 13:58:25 in IC Chips
Power supply IC chips are integrated circuits that step down AC power and provide regulated voltage, current, and protection to ensure proper operation of components and systems. ...
What will happen if different sensors are damaged?
On 2021-03-22 11:10:31 in Sensor
This article describes the characteristics of the sensors. ...
How is the sensor installed and fixed?
On 2020-11-10 11:21:31 in Sensor
This article describes the characteristics of the sensors. ...
Detailed explanation of the difference between full wave rectification and bridge rectification circuit
On 2023-03-08 11:49:56 in Filter
Rectifier circuits are used to convert AC to DC, with two types - full wave rectifier and bridge rectifier, each with unique properties and advantages. ...
How to use the special resistor:network resistor and adjustable resistor?
On 2019-01-21 10:43:42 in Resistors
This article describes the use of special resistor:network resistor and adjustable resistor. ...
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. ...
How to identify and detect transistors?
On 2018-10-27 10:56:39 in Generally electronic semiconductor
Intuitionistic recognition.Figure shows the pin distribution diagram of common transistors. ...
How to manufacture a mobile phone battery charger?
On 2019-01-22 16:56:32 in Technology
This article describes how to manufacture a mobile phone battery charger? ...
Process document
On 2018-11-01 13:44:45 in Knownlege
process route list.The process route table is used for the arrangement and scheduling of product production,which reflects the whole process of product preparation from blank to finished product ...
How to detect a one-way thyristor?
On 2018-10-29 14:00:36 in Generally electronic semiconductor
Determination of appearance recognition of each electrode Common unidirectional thyristor electrodes are arranged as shown in Figure. ...
Five.Optocoupler
On 2018-10-31 11:35:12 in Generally electronic semiconductor
Optocoupler is an electrical and photoelectric converter composed of LED and photosensitive transistors ...
How to measure the optocoupler?
On 2018-10-27 10:43:42 in Photoelectric
Because the way of the optical coupler is not the same,so the test should be based on different structures for measurement and judgment. ...
What is an integrated circuit?
On 2018-12-18 16:15:07 in IC Chips
This article briefly introduces what is an integrated circuit ...
What is the analysis step of Integrated circuit application circuit?
On 2019-01-14 11:36:06 in IC Chips
This article introduces integrated circuit application circuit analysis step ...
Types and detection methods of switching devices
On 2018-11-01 16:57:50 in Relays
The switch is the component that completes the electrical connection and disconnection through a certain action,which is generally connected in series to realize the transmission and control of signal and electric energy ...
What are the performance characteristics of the piezoelectric ceramic buzzer and how to detect it?
On 2018-12-25 10:39:23 in Generally electronic component
This article briefly introduces the performance characteristics and detection of the piezoelectric ceramic buzzer. ...