How to select a pointer multimeter?

On 2019-02-12 16:42:48  in Knownlege

How to select a pointer multimeter?

This article describes the selection of pointer multimeter. ...

DC power supply voltage regulator circuit

On 2019-01-05 11:45:23  in Knownlege

DC power supply voltage regulator circuit

This article writes about the DC power supply voltage regulator circuit ...

What is a three-terminal integrated voltage regulator and how to classify?

On 2018-12-14 15:01:07  in Knownlege

What is a three-terminal integrated voltage regulator and how to classify?

This article describes the role of three-terminal integrated voltage regulator and how to classify ...

How to choose an air switch

On 2018-12-06 13:34:28  in Knownlege

How to choose an air switch

​This article briefly introduces how to choose an air switch ...

What are the methods for preventing the reverse connection of the MOS tube?

On 2019-08-07 10:30:11  in Generally electronic component

What are the methods for preventing the reverse connection of the MOS tube?

This article describes the characteristics of the MOS tube. ...

What are the characteristics of led lamp beads?

On 2019-07-24 10:57:33  in Photoelectric

What are the characteristics of led lamp beads?

This article describes the characteristics of LED lamp beads ...

How to distinguish common diodes?

On 2019-01-19 16:38:32  in Generally electronic semiconductor

How to distinguish common diodes?

This article explores how to distinguish common diodes ...

How to design a high-efficiency LED driver circuit?

On 2021-11-13 10:52:16  in Photoelectric

How to design a high-efficiency LED driver circuit?

This article describes the characteristics of the LED driver. ...

What is the relationship between the charging head and the fast charging function of the mobile phone?

On 2021-07-30 14:55:46  in Photoelectric

What is the relationship between the charging head and the fast charging function of the mobile phone?

This article describes the characteristics of the control. ...

Inductance Selection and Layout and Wiring Principle of Switching Power Supply

On 2018-11-23 10:32:58  in Inductor

Inductance Selection and Layout and Wiring Principle of Switching Power Supply

Switched-Mode Power Supply (SMPS) is a very efficient power converter. Its theoretical value is close to 100%, and there are many kinds. ...

The main role of the potentiometer?

On 2018-12-11 13:20:38  in Knownlege

The main role of the potentiometer?

This article describes the main role of the potentiometer ...

What is a circuit connector?

On 2018-12-08 13:51:01  in Knownlege

What is a circuit connector?

This article describes the role of circuit connector ...

How is the sensor installed and fixed?

On 2020-11-10 11:21:31  in Sensor

How is the sensor installed and fixed?

This article describes the characteristics of the sensors. ...

What is the working principle of the filter circuit?

On 2019-09-21 10:07:50  in Generally electronic semiconductor

What is the working principle of the filter circuit?

This article describes the characteristics of the filter. ...

What is the fake load?

On 2019-04-11 11:33:01  in Knownlege

What is the fake load?

This article briefly introduces the fake load. ...

Different roles of different resistors in the circuit

On 2019-03-15 11:13:13  in Resistors

Different roles of different resistors in the circuit

This article describes the different roles of different resistors in the circuit ...

What are the methods of reducing the measurement error of the pointer multimeter?

On 2019-02-13 13:21:56  in Knownlege

What are the methods of reducing the measurement error of the pointer multimeter?

This article introduces some methods of reducing the measurement error of the pointer multimeter ...

Photoresistors

On 2018-12-21 12:03:23  in Resistors

Photoresistors

This article writes about the photoresistors ...

What is a field-effect transistor?

On 2018-12-13 14:34:17  in Knownlege

What is a field-effect transistor?

This article writes about the field-effect transistor ...

What is the signal path from the sensor to the processor?

On 2021-06-05 10:41:57  in Sensor

What is the signal path from the sensor to the processor?

This article describes the characteristics of the sensor. ...

Transformer

On 2018-12-18 13:52:18  in Inductor

Transformer

This article describes about the transformer ...

What is a mechanical multimeter?

On 2018-12-11 14:49:07  in Technology

What is a mechanical multimeter?

This article introduces how to use mechanical multimeter ...

What is the basic structure of the power cable?

On 2019-08-09 10:40:04  in Generally electronic semiconductor

What is the basic structure of the power cable?

This article describes the characteristics of the power cable. ...

What is the principle and marking method of the inductor?

On 2019-08-06 10:52:59  in Inductor

What is the principle and marking method of the inductor?

This article describes the characteristics of the the inductor. ...

What is a photocell sensor?

On 2018-12-29 15:46:28  in Sensor

What is a photocell sensor?

This article describes the role of photocell sensor ...

How does the MOS field effect transistor work?

On 2018-12-14 11:19:54  in Knownlege

How does the MOS field effect transistor work?

This article writes about the MOS field effect transistor ...

What is a BTG thyristor?

On 2018-10-29 15:06:32  in Generally electronic semiconductor

What is a BTG thyristor?

The BTG thyristor is a special semiconductor device.The utility model can be used as a thyristor and can be used as a single junction transistor ( double base diode ) ...

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

How to design of energy-saving electric vehicle AC drive system based on boost DC-DC bidirectional converter and inverter?

This article describes the characteristics of the converter and inverter ...

What is the principle of electromagnetic emission and magnetic field interference?

On 2020-10-14 10:33:28  in Capacitors

What is the principle of electromagnetic emission and magnetic field interference?

This article describes the characteristics of the electromagnetic emission and magnetic field. ...

Structural principle of frequency converter

On 2023-03-09 11:31:52  in IC Chips

Structural principle of frequency converter

VFDs control the speed of electric motors by adjusting frequency and use IC chips which can be customized to the application, providing efficient and reliable control. ...

How many of the 6 characteristic parameters of capacitors do you know?

On 2023-03-07 16:54:04  in Capacitors

How many of the 6 characteristic parameters of capacitors do you know?

Capacitors are commonly used in electrical components and circuits for their ability to store and control charge, provide low impedance and high voltage withstanding capacity, self-discharge, and be temperature insensitive. ...

What is the difference between a primary battery and an electrolytic cell?

On 2019-08-10 10:57:50  in Generally electronic semiconductor

What is the difference between a primary battery and an electrolytic cell?

This article describes the characteristics of the battery. ...

What issues should pay attention to before using the multimeter?

On 2019-02-14 11:23:38  in Knownlege

What issues should pay attention to before using the multimeter?

This article introduces some issues should pay attention to before using the multimeter ...

What is a transformer and how to classify?

On 2019-01-09 13:35:40  in Transformer

What is a transformer and how to classify?

This article describes the cllassification of transformers. ...

What is an insurance resistor and how to detect it?

On 2018-12-27 11:31:50  in Resistors

What is an insurance resistor and how to detect it?

This article briefly introduces what is an insurance resistor and how to detect it ...

Do you know how to choose electrolytic capacitors?

On 2019-08-05 10:38:41  in Capacitors

Do you know how to choose electrolytic capacitors?

This article describes the characteristics of the electrolytic capacitors. ...

Electromagnetic interference of LED drive power

On 2019-06-13 16:11:37  in Generally electronic semiconductor

Electromagnetic interference of LED drive power

This article writes about the electromagnetic interference of LED drive power ...

Digital multimeter structure and use

On 2019-01-25 17:58:18  in Knownlege

Digital multimeter structure and use

This article describes the digital multimeter structure and use ...

Components with self-inductance are called inductors

On 2018-10-31 10:49:39  in IC Chips

Components with self-inductance are called inductors

The inductor is generally composed of a skeleton,a winding,a shield,a package material,a magnetic core, or an iron core. ...

what is an infrared light emitting diode?

On 2018-10-26 16:45:24  in Memory

what is an infrared light emitting diode?

determine the order of the arrangement of the pins.The multimeter is placed in the R*1 thousand euro file ...