​What is the Digital / analog multimeter?

On 2019-02-18 16:56:55  in Knownlege

​What is the Digital / analog multimeter?

This article describes two common digital / analog multimeter. ...

What is a triode and how to identify its pin?

On 2019-01-21 16:50:52  in Knownlege

What is a triode and how to identify its pin?

This article describes what is a triode and how to identify its pin ...

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. ...

What is a capacitance meter and how to use?

On 2019-01-02 16:16:00  in Knownlege

What is a capacitance meter and how to use?

This article describes the capacitance meter and the use of it. ...

How to select a automobile digital multimeter?

On 2019-03-08 11:31:34  in Knownlege

How to select a automobile digital multimeter?

This article describes the selection method of automobile digital multimeter. ...

What are the slots on computer motherboards?

On 2019-02-12 17:05:03  in Knownlege

What are the slots on computer motherboards?

This article introduces slots on computer motherboards ...

Introduction of Audio Power Amplifier

On 2018-12-10 10:45:21  in Knownlege

Introduction of Audio Power Amplifier

This article describes the characteristics of Audio Power Amplifier ...

Intel single Bridge Motherboard bus Power supply Analysis.

On 2019-06-11 14:59:42  in Knownlege

Intel single Bridge Motherboard bus Power supply Analysis.

This article describes the Intel single Bridge Motherboard bus Power supply ...

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 are the features and use note of CMOS circuit?

On 2019-01-09 14:07:06  in Knownlege

What are the features and use note of CMOS circuit?

This article describes the features and use note of CMOS circuit ...

Specific use of multimeter in ATX power maintenance.

On 2019-04-18 14:50:01  in Knownlege

Specific use of multimeter in ATX power maintenance.

This article briefly introduces the specific use of multimeter in ATX power maintenance. ...

What are the reference voltage points of ATX power supplies?

On 2019-04-15 14:08:24  in Knownlege

What are the reference voltage points of  ATX power supplies?

This article briefly introduces the the reference voltage points of ATX power supplies ...

MEMS oscillator and quartz clock in the car

On 2019-05-20 13:14:44  in Knownlege

MEMS oscillator and quartz clock in the car

This article writes about the MEMS oscillator and quartz clock in the car ...

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 ...

How much do you know about RS-422 and RS-485?

On 2022-03-08 10:43:00  in Knownlege

How much do you know about RS-422 and RS-485?

This article describes the characteristics of the RS-422 and RS-485. ...

The operating principle of the Intel dual-bridge G41 chipset motherboard boot circuit.

On 2019-04-17 17:02:11  in Knownlege

The operating principle of the Intel dual-bridge G41 chipset motherboard boot circuit.

This article describes the operating principle of the Intel dual-bridge G41 chipset motherboard boot circuit. ...

DS05- 7B (seven tube) superheterodyne radio debugging

On 2019-01-14 17:26:09  in Knownlege

DS05- 7B (seven tube) superheterodyne radio debugging

This article writes about the DS05- 7B (seven tube) superheterodyne radio debugging ...

The specific classification of the ATX power supply.

On 2019-03-23 11:54:20  in Knownlege

The specific classification of the ATX power supply.

This article briefly introduces the specific classification of the ATX power supply ...

Robust Demand for Memory Chips

On 2018-12-26 10:30:31  in Knownlege

Robust Demand for Memory Chips

This article describes the Robust Demand for Memory Chips ...

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 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 a resistor?

On 2018-12-14 13:26:07  in Knownlege

What is a resistor?

This article describes what is a resistor ...

What should you know before solder?

On 2019-01-12 13:20:48  in Knownlege

What should you know before solder?

This article describes some konwnledge that you should know before solder. ...

What is the oscillation period of ATX power supply?

On 2019-03-22 11:44:31  in Knownlege

What is the oscillation period of ATX power supply?

This article describes the oscillation period of ATX power supply. ...

What is a MEG table and how to use it?

On 2019-01-04 11:24:23  in Knownlege

What is a MEG table and how to use it?

This article briefly introduces the MEG table and how to use it ...

What are the classification of digital multimeter?

On 2019-02-15 13:48:08  in Knownlege

What are the classification of digital multimeter?

This article describes the classification of digital multimeter. ...

What is the future of 5G and Wifi6?

On 2022-05-09 11:03:36  in Knownlege

What is the future of 5G and Wifi6?

This article describes the characteristics of the 5G and Wifi6. ...

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. ...

How to choose a mechanical multimeter?

On 2019-01-27 15:14:01  in Knownlege

How to choose a mechanical multimeter?

The article explores how to choose a mechanical multimeter. ...

Max Born Institute in Berlin: Ultra-short current surges through rectified light

On 2019-05-11 13:47:17  in Knownlege

Max Born Institute in Berlin: Ultra-short current surges through rectified light

This article introduces the Ultra-short current surges through rectified light ...

What is the relationship between the chip and the discrete device?

On 2018-12-11 10:49:57  in Knownlege

What is the relationship between the chip and the discrete device?

This article briefly introduces the relationship between the chip and the discrete device ...

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. ...

How to use a universal bridge?

On 2019-01-05 11:33:24  in Knownlege

How to use a universal bridge?

This article describes how to use a universal bridge ...

How the Intel H55 chipset motherboard works?

On 2019-04-18 13:57:22  in Knownlege

How the Intel H55 chipset motherboard works?

This article writes about the Intel H55 chipset motherboard ...

Imec makes CMOS 140GHz radar-on-chip

On 2018-12-21 11:02:19  in Knownlege

Imec makes CMOS 140GHz radar-on-chip

This article describes the Imec makes CMOS 140GHz radar-on-chip ...

Maintenance method of bridge power supply circuit failure.

On 2019-04-27 15:32:59  in Knownlege

Maintenance method of bridge power supply circuit failure.

This article writes about the Maintenance method of bridge power supply circuit failure. ...

The case of the screw of the ATX power supply

On 2019-03-30 10:52:55  in Knownlege

The case of the screw of the ATX power supply

This article describes the case of the screw of the ATX power supply ...

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 ...

Several installation-related concepts of electronic components

On 2019-01-17 15:56:50  in Knownlege

Several installation-related concepts of electronic components

This article describe several installation-related concepts of electronic components ...

Oscilloscope basical principle

On 2019-04-09 11:33:42  in Knownlege

Oscilloscope basical principle

This article describes the oscilloscope basical principle ...