The difference between resistance and impedance

On 2018-12-04 11:32:41  in Knownlege

The difference between resistance and impedance

This article describes the difference between resistance and impedance ...

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 ...

What are the problems in radio assembly?

On 2019-01-15 14:05:25  in Knownlege

What are the problems in radio assembly?

This article describes the problems in radio assembly ...

Discrimination on the pseudo-concept of "reverse earth resistor value and modification of multimeter pens

On 2019-04-16 11:29:12  in Knownlege

Discrimination on the pseudo-concept of "reverse earth resistor value and modification of multimeter pens

This article briefly introduces the discrimination on the pseudo-concept of "reverse earth resistor value” and modification of multimeter pens ...

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 spectral properties?

On 2019-01-15 12:09:58  in Knownlege

What is the spectral properties?

This article describes the spectral properties. ...

What is excitation spectra?

On 2019-01-11 13:21:32  in Knownlege

What is excitation spectra?

This article briefly introduces the principle of excitation spectra ...

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 ...

What should we pay attention to in anti-electromagnetic interference design?

On 2018-12-06 11:45:52  in Knownlege

What should we pay attention to in anti-electromagnetic interference design?

This article writes about the anti-electromagnetic interference design ...

How to replace the transistor in application?

On 2018-10-27 11:03:32  in Knownlege

How to replace the transistor in application?

the principles that should be paid attention to when replacing transistors are as follows.A high limit parameter is used to replace the lower product body tube. ...

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. ...

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. ...

Oscilloscope basical principle

On 2019-04-09 11:33:42  in Knownlege

Oscilloscope basical principle

This article describes the oscilloscope basical principle ...

Filter circuit

On 2019-01-04 13:28:12  in Knownlege

Filter circuit

This article briefly introduces the filter circuit. ...

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 ...

What are the methods of handling problems encountered during using pointer multimeters?

On 2019-02-15 13:49:38  in Knownlege

What are the methods of handling problems encountered during using pointer multimeters?

This article introduces some methods of handling problems encountered during usingpointer multimeters ...

Design requirements for printed circuit boards

On 2019-01-12 11:32:47  in Knownlege

Design requirements for printed circuit boards

This article introduces some design requirements for printed circuit boards ...

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 ...

Resistor classification

On 2018-12-13 13:30:42  in Knownlege

Resistor classification

This article writes about the different kinds of resistor ...

What is the role of the speakers in electro-acoustic devices?

On 2018-12-11 10:38:17  in Knownlege

What is the role of the speakers in electro-acoustic devices?

​This article describes the role of the speakers in electro-acoustic devices ...

Basic functions and characteristics of multimeter

On 2019-02-26 17:53:50  in Knownlege

Basic functions and characteristics of multimeter

This article describes the basic functions and characteristics of multimeter ...

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 ...

Integrate the clock generator into the microcontroller

On 2019-05-07 16:33:50  in Knownlege

Integrate the clock generator into the microcontroller

Accurate clock signals are a prerequisite for reliable communication - whether by radio or by wire. With the ever-increasing demand for data transmission, the previous approach has reached its limit. ...

Classification of amplifiers and distinction between tubes and transistors

On 2018-12-08 11:52:44  in Knownlege

Classification of amplifiers and distinction between tubes and transistors

This article writes about the classification of amplifiers and different roles of tubes and transistors ...

Decoupling capacitance design

On 2018-12-06 11:51:04  in Knownlege

Decoupling capacitance design

This article briefly introduces the decoupling capacitance design ...

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 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 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 ...

Eficient cost-effective cooling solution for high performance chips

On 2018-12-26 18:03:05  in Knownlege

Eficient cost-effective cooling solution for high performance chips

This article describes the Eficient cost-effective cooling solution for high performance chips ...

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 ...

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. ...

Do you know how to design electromagnetic compatibility?

On 2019-08-23 15:57:39  in Knownlege

Do you know how to design electromagnetic compatibility?

This article describes the characteristics of the electromagnetic compatibility. ...

New LDMOS transistor pair

On 2019-05-09 14:20:24  in Knownlege

New LDMOS transistor pair

This article briefly introduces a new LDMOS transistor pair ...

AMD RX980 chipset motherboard architecture.

On 2019-03-22 11:48:58  in Knownlege

AMD RX980 chipset motherboard architecture.

This article briefly introduces the AMD RX980 chipset motherboard architecture. ...

Overview of how the motherboard works.

On 2019-03-21 11:05:54  in Knownlege

Overview of how the motherboard works.

This article describes the overview of how the motherboard works ...

PCB design preparation

On 2018-12-13 10:56:47  in Knownlege

PCB design preparation

This article introduces the preparation of PCB design ...

What is the relationship between the circuit structure and the logic function of the trigger?

On 2019-10-22 09:54:26  in Knownlege

What is the relationship between the circuit structure and the logic function of the trigger?

This article describes the characteristics of the triggers. ...

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 ...

Design dimensions of printed conductors and holes for pad

On 2018-12-13 11:19:14  in Knownlege

Design dimensions of printed conductors and holes for pad

This article introduces the design dimensions of printed conductors and holes for pad ...

Basic operation steps of manual welding

On 2018-12-04 10:23:27  in Knownlege

Basic operation steps of manual welding

​ This article describes the basic operation steps of manual welding ...