Autotransformer and voltage regulating transformer
On 2018-08-28 17:33:17 in Relays
The common characteristic of transformer is that the DC circuit on both sides is completely separated, and the energy transfer on both sides is coupled by magnetic field. ...
The operating principle of Intel single-bridge H55 chipset motherboard boot circuit.
On 2019-04-27 15:27:46 in Knownlege
This article describes the operating principle of Intel single-bridge H55 chipset motherboard boot circuit. ...
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. ...
Why do the monitors exhibit different capacitance bulging?
On 2019-07-11 10:28:54 in Photoelectric
This article briefly introduces the reasons of monitors exhibiting different capacitance bulging ...
The operating principle of AMD single-bridge A55 chipset motherboard boot circuit.
On 2019-04-26 10:52:17 in Knownlege
This article describes the operating principle of AMD single-bridge A55 chipset motherboard boot circuit. ...
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. ...
Classification of amplifiers and distinction between tubes and transistors
On 2018-12-08 11:52:44 in Knownlege
This article writes about the classification of amplifiers and different roles of tubes and transistors ...
Daily use habits and maintenance precautions for pure electric vehicles
On 2019-07-13 13:25:12 in Technology
This article describes the daily use habits and maintenance precautions for pure electric vehicles ...
What is a positive temperature coefficient thermistor?
On 2018-12-14 13:13:50 in Knownlege
This article describes the parameters and measurement of the positive temperature coefficient thermistor ...
The working principle of the reset circuit for the AMD A55 chipset motherboard.
On 2019-11-20 15:07:03 in IC Chips
This article describes the characteristics of the working principle of the reset circuit for the AMD A55 chipset motherboard ...
Some types of transformers.
On 2018-12-27 14:49:22 in Transformer
This article introduces three types of transformers. ...
USB interface circuit analysis and fault maintenance.
On 2019-06-04 16:06:11 in Connector
This article writes about the USB interface circuit analysis and fault maintenance. ...
How to buy an air conditioner regulator?
On 2021-07-20 13:42:16 in Generally electronic semiconductor
This article describes the characteristics of the regulators. ...
The motherboard clock circuit works principle
On 2019-04-30 11:22:08 in IC Chips
This article introduces the work principle of motherboard clock circuit works. ...
Parameters, Equivalent and Alternative Types of Switching Diode LL4148
On 2023-03-09 14:13:30 in Generally electronic semiconductor
LL4148 is an inexpensive, ultra-fast and efficient switching diode used in low-voltage, low-current applications with equivalent and substitute diodes. ...
What is a patch connector?
On 2019-07-18 11:08:22 in Connector
This article writes about the patch connector ...
What are the classifications of led control cards?
On 2019-07-09 14:15:55 in Photoelectric
This article briefly introduces the classifications of led control cards ...
Principles of servo level gauge and radar level gauge
On 2019-06-04 15:43:35 in Knownlege
This article describes the principles and advantages and disadvantages of servo level gauge and radar level gauge ...
What is the motherboard architecture?
On 2019-04-02 11:03:17 in Knownlege
This article writes about the motherboard architecture. ...
Circuit diagram inspection
On 2019-03-19 15:33:37 in Knownlege
This article describes the circuit diagram inspection and software usage. ...
What is the diode and how to judge whether it is good or bad?
On 2019-03-16 13:34:16 in Generally electronic semiconductor
This article briefly introduces the diode and how to judge whether it is good or bad ...
What are the main differences between Automobile Digital Multimeter and ordinary Digital Multimeter？
On 2019-02-27 11:07:48 in Knownlege
This article introduces the main differences between Automobile Digital Multimeter and ordinary Digital Multimeter. ...
What are the method of judging the probable fault position of the pointer multimeter?
On 2019-02-14 11:03:30 in Knownlege
This article briefly introduces the method of judging the probable fault position of the pointer multimeter ...
How to select a pointer multimeter?
On 2019-02-12 16:42:48 in Knownlege
This article describes the selection of pointer multimeter. ...
How to measure a IGBT?
On 2019-01-15 14:35:49 in Generally electronic semiconductor
This article describes how to measure a IGBT ...
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 ...
Main cell phone sensor
On 2018-12-06 10:44:40 in Knownlege
This article describes the role of different mobile phone sensors. ...
Resistor classification
On 2018-12-04 11:51:37 in Knownlege
This article describes the classification of resistors ...
the detection of the resistor
On 2018-10-31 10:55:57 in Memory
Will be two pen ( regardless of the positive and negative ) are connected with the two ends of the resistor can be connected to measure the actual resistance value ( in order to improve the measurement accuracy ...
Potentiometer detection and resistance detection
On 2018-08-22 12:04:06 in Relays
The actual resistance value can be measured by connecting two forms (no positive or negative) to the two ends of the resistor respectively. ...
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 ...
What is going on with inductor saturation?
On 2024-01-05 14:11:02 in Sensor
This article describes the characteristics of the inductor. ...
Why the current 3D camera-based solution has not yet achieved a stable effect?
On 2023-10-18 18:02:02 in Filter
This article describes the characteristics of the 3D camera. ...
How to design a negative charge pump white LED driver?
On 2019-08-09 11:07:35 in Photoelectric
This article describes the characteristics of the LED driver. ...
How should the magnification of the triode amplifier circuit be calculated?
On 2019-09-07 11:57:58 in Generally electronic semiconductor
This article describes the characteristics of the triode amplifier. ...
What is a capacitor and its role?
On 2018-12-13 15:47:12 in Capacitors
This article describes the role of capacitor ...
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 main parameters and identification of the potentiometer
On 2018-12-20 13:38:20 in Generally electronic component
This article introduces the main parameters and identification of the potentiometer ...
What about the iW220l and iW2202 digital controllers based on pulse train patent technology?
On 2021-07-05 11:05:01 in Technology
This article describes the characteristics of the controllers. ...
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. ...