How to reduce errors in detecting AC voltages with using a pointer multimeter?

On 2019-02-12 17:11:15  in Knownlege

How to reduce errors in detecting AC voltages with using a pointer multimeter?

This article briefly introduces the methods for reducing errors in detecting AC voltages. ...

How to explain the working principle of buffer network?

On 2021-12-24 10:56:44  in Knownlege

How to explain the working principle of buffer network?

This article describes the characteristics of the capacitor. ...

Transformer and inverter

On 2018-12-05 11:07:52  in Knownlege

Transformer and inverter

​This article writes about the different roles of transformers and inverters. ...

Power in the ATX power supply

On 2019-04-08 16:09:09  in Knownlege

Power in the ATX power supply

This article writes about the active power and reactive power in the ATX power supply ...

Control power,power supply and chassis power supply

On 2018-12-11 11:23:56  in Knownlege

Control power,power supply and chassis power supply

This article writes about the different roles of control power,power supply and chassis power supply ...

Diode rectifier filter circuit

On 2018-12-13 15:23:19  in Knownlege

Diode rectifier filter circuit

This article briefly introduces diode rectifier filter circuit ...

What is the ATX power?

On 2019-03-11 13:43:25  in Knownlege

What is the ATX power?

This article briefly introduces the ATX power ...

What is the basic function of ATX power supply?

On 2019-03-20 11:40:51  in Knownlege

What is the basic function of ATX power supply?

This article introduces the basic function of ATX power supply ...

When do you need to add an I2C isolator at design time?

On 2019-07-02 15:41:18  in Knownlege

When do you need to add an I2C isolator at design time?

This article describes at design time when need to add an I2C isolator ...

What is the apparent power of ATX power supply?

On 2019-04-04 11:53:03  in Knownlege

What is the apparent power of ATX power supply?

This article briefly introduces the apparent power of ATX power supply ...

The operating principle of Intel single-bridge H55 chipset motherboard boot circuit.

On 2019-04-27 15:27:46  in Knownlege

The operating principle of Intel single-bridge H55 chipset motherboard boot circuit.

This article describes the operating principle of Intel single-bridge H55 chipset motherboard boot circuit. ...

The difference between diode and resistor

On 2018-12-08 11:39:22  in Knownlege

The difference between diode and resistor

This article writes about the different roles of diode and resistor ...

How to use the OTC700 series automobile digital multimeter correctly.

On 2019-04-18 14:24:01  in Knownlege

 How to use the OTC700 series automobile digital multimeter correctly.

This article briefly introduces the use of OTC700 series automobile digital multimeter. ...

What is the role of the transformer?

On 2018-12-05 10:13:54  in Knownlege

What is the role of the transformer?

This article describes the role of the transformer ...

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 ...

What are the working principles of AM radio?

On 2019-01-11 11:08:24  in Knownlege

What are the working principles of AM radio?

This article writes about the working principles of AM radio. ...

What is the magnetron of the microwave oven and how does it works?

On 2018-12-20 15:01:50  in Knownlege

What is the magnetron of the microwave oven and how does it works?

This article introduces the functional characteristics, working principles of the continuous wave force air-cooled magnetron used in the microwave oven. ...

What are the characteristics and shape and measuring range of digital multimeter?

On 2019-02-15 13:59:23  in Knownlege

What are the characteristics and shape and measuring range of digital multimeter?

This article briefly introduces the characteristics and shape and measuring range of digital multimeter ...

How to choose the switch of the mechanical multimeter when measuring different parameters?

On 2019-01-27 14:57:27  in Knownlege

How to choose the switch of the mechanical multimeter when measuring different parameters?

This article describes how to choose the switch of the mechanical multimeter when measuring different parameters ...

The relationship between ATX power supply and switching power supply.

On 2019-03-18 16:05:11  in Knownlege

The relationship between ATX power supply and switching power supply.

This article briefly introduces the relationship between ATX power supply and switching power supply. ...

What is the structure of a common mechanical multimeter?

On 2019-01-25 16:17:30  in Knownlege

What is the structure of a common mechanical multimeter?

This article writes about the structure of a common mechanical multimeter. ...

What is the difference and connection between the transmitter and the sensor?

On 2018-12-11 10:57:03  in Knownlege

What is the difference and connection between the transmitter and the sensor?

​ This article writes about the difference and connection between the transmitter and the sensor ...

Active PFC and passive PFC

On 2019-04-10 11:11:40  in Knownlege

Active  PFC and passive  PFC

This article briefly introduces the Active PFC and passive PFC ...

How to measure the AXTpower?

On 2019-03-12 14:26:30  in Knownlege

How to measure the AXTpower?

This article describes the method to measure the AXTpower ...

Light control automatic energy saving LED light circuit

On 2019-01-23 17:42:10  in Knownlege

Light control automatic energy saving LED light circuit

This article writes about the light control automatic energy saving LED light circuit ...

How to design analog switches to switch audio signals?

On 2021-03-25 10:43:32  in Knownlege

How to design analog switches to switch audio signals?

This article describes the characteristics of the switch audio signals. ...

What is the working principle of the bias circuit in the triode amplifier circuit?

On 2019-10-17 10:02:01  in Knownlege

What is the working principle of the bias circuit in the triode amplifier circuit?

This article describes the characteristics of the triode amplifier. ...

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. ...

What is the definition and major categories of low-voltage electrical appliances?

On 2019-05-23 11:55:08  in Knownlege

What is the definition and major categories of low-voltage electrical appliances?

This article briefly introduces the definition and major categories of low-voltage electrical appliances ...

What issues should pay attention to when using the multimeter?

On 2019-02-16 10:36:20  in Knownlege

What issues should pay attention to when using the multimeter?

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

What factors are related to the resistance of the resistor

On 2018-12-06 10:35:16  in Knownlege

What factors are related to the resistance of the resistor

This article briefly introduces main factors related to the resistance of the resistor ...

What are the functions of the universal bridge instrument knobs and switches?

On 2019-01-27 14:53:54  in Knownlege

What are the functions of the universal bridge instrument knobs and switches?

This article describes the functions of the universal bridge instrument knobs and switches . ...

Electrooptic devices are just the opposite

On 2018-10-31 11:01:18  in Knownlege

Electrooptic devices are just the opposite

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 a universal bridge?

On 2019-01-05 10:24:47  in Knownlege

What is a universal bridge?

This article introduces the universal bridge. ...

Oscilloscope basical principle

On 2019-04-09 11:33:42  in Knownlege

Oscilloscope basical principle

This article describes the oscilloscope basical principle ...

What is the principle of photoelectric conversion devices?

On 2018-12-08 10:40:53  in Knownlege

What is the principle of photoelectric conversion devices?

This article describes the principle of photoelectric conversion devices ...

Sequential logic circuit

On 2018-12-20 14:20:16  in Knownlege

Sequential logic circuit

​This article briefly introduces sequential logic circuit ...

Classification of sensors in the car and the impact of the broken sensor

On 2018-12-10 13:50:32  in Knownlege

Classification of  sensors in the car and the impact of the broken sensor

​ This article briefly introduces classification of sensors in the car and the impact of the broken sensor ...

Main cell phone sensor

On 2018-12-06 10:44:40  in Knownlege

Main cell phone sensor

This article describes the role of different mobile phone sensors. ...

What are the main differences between Automobile Digital Multimeter and ordinary Digital Multimeter?

On 2019-02-27 11:07:48  in Knownlege

What are the main differences between Automobile Digital Multimeter and ordinary  Digital Multimeter?

This article introduces the main differences between Automobile Digital Multimeter and ordinary Digital Multimeter. ...