How to use the OTC700 series automobile digital multimeter to text the rotation speed and duty?

On 2019-04-24 11:39:47  in Knownlege

How to use the OTC700 series automobile digital multimeter to text the rotation speed and duty?

This article describes the use of OTC700 series automobile digital multimeter to text the rotation speed and duty ...

Photoelectric effect

On 2018-12-06 10:21:02  in Knownlege

Photoelectric effect

This article briefly introduces the photoelectric effect ...

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 universal bridge?

On 2019-01-05 10:24:47  in Knownlege

What is a universal bridge?

This article introduces the universal bridge. ...

Insulation resistance

On 2018-12-11 14:12:15  in Knownlege

Insulation resistance

This article briefly introduces insulation resistance ...

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 ...

Computer motherboard resistance, capacitance

On 2018-12-08 11:11:23  in Knownlege

Computer motherboard resistance, capacitance

This article writes about the different roles of capacitors and resistors ...

When using resistance and line on-off test mode of the automotive digital multimeter.

On 2019-04-22 14:33:41  in Knownlege

When using resistance and line on-off test mode of the automotive digital multimeter.

This article write about when using resistance and line on-off test mode of the automotive digital multimeter.The correct method of choosing gear and connecting detection line is adopted. ...

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 . ...

What is the working principle of a gas-fired heat gun?

On 2019-01-27 15:01:50  in Knownlege

What is the working principle of a gas-fired heat gun?

This article briefly introduces the working principle of a gas-fired heat gun. ...

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 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. ...

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 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 ...

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 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 ...

Low frequency small signal amplification circuit

On 2019-01-05 15:27:55  in Knownlege

Low frequency small signal amplification circuit

This article describes the low frequency small signal amplification circuit ...

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 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. ...

Further Promotes the Growth of the Smart Cable Protection System

On 2018-12-29 11:53:50  in Knownlege

Further Promotes the Growth of the Smart Cable Protection System

This article describes the further promotes the growth of the smart cable protection system ...

What is the spectral properties?

On 2019-01-15 12:09:58  in Knownlege

What is the spectral properties?

This article describes the spectral properties. ...

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 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 ...

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 working principle of water tank water level automatic controller ?

On 2019-01-23 17:14:25  in Knownlege

What is the working principle of water tank water level automatic controller ?

This article writes about the working principle of water tank water level automatic controller ...

What are the methods for detecting transistors of a multimeter?

On 2019-02-22 13:55:39  in Knownlege

 What are the methods for detecting transistors of a multimeter?

This article describes some methods for detecting transistors of a multimeter ...

What are the switches used in electrical appliances?

On 2018-12-13 11:54:57  in Knownlege

What are the switches used in electrical appliances?

This article describes the role of the switches ...

What is the definition and classification of luminescence?

On 2019-01-15 15:05:43  in Knownlege

What is the definition and classification of luminescence?

This article describes the definition and classification of luminescence. ...

How to synthesize phosphor?

On 2019-01-15 11:35:30  in Knownlege

How to synthesize phosphor?

This article briefly introduces three ways to synthesize phosphors ...

Debugging and Assembly of patch miniature FM Radio

On 2018-12-11 14:03:30  in Knownlege

Debugging and Assembly of patch miniature FM Radio

This article briefly introduces debugging and Assembly of patch miniature FM Radio ...

The method of using the ignition block of OTC700 series automobile digital multimeter

On 2019-04-26 10:58:45  in Knownlege

The method of using the ignition  block of OTC700 series automobile digital multimeter

This article briefly introduces the method of using the ignition block of OTC700 series automobile digital multimeter ...

What are the processing methods of adverse contact phenomenon during using pointer multimeters?

On 2019-02-15 14:01:34  in Knownlege

What are the processing methods of adverse contact phenomenon during using pointer multimeters?

This article briefly introduces the processing methods of adverse contact phenomenon during using pointer multimeters. ...

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 kind of garbage is used battery and what harm?

On 2021-06-26 10:53:01  in Knownlege

What kind of garbage is used battery and what harm?

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

Principles and requirements for electronic product packaging

On 2019-01-04 10:43:07  in Knownlege

Principles and requirements for electronic product packaging

This article introduces the principles and requirements for electronic product packaging ...

Composition of printed circuit boards ​

On 2018-12-04 11:13:50  in Knownlege

Composition of printed circuit boards  ​

This article describes the composition of printed circuit boards ...

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 make a wireless music doorbell?

On 2019-04-20 13:27:35  in Knownlege

How to make a wireless music doorbell?

This article describes the production of wireless music doorbell ...

New amplifiers with audio applications - IC and multi-chip modules

On 2019-05-07 16:15:15  in Knownlege

New amplifiers with audio applications - IC and multi-chip modules

​Infineon is combining its existing line of amplifiers with audio applications - IC and multi-chip modules. Four new Merus brand IC amplifiers have been proposed. ...

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. ...