Keyboard, mouse interface circuit analysis and maintenance.

On 2019-07-03 11:03:42  in Technology

Keyboard, mouse interface circuit analysis and maintenance.

Keyboard, mouse interface circuit analysis and maintenance. ...

How to detect the potentiometers?

On 2019-07-02 16:15:02  in Resistors

How to detect the potentiometers?

This article describes the Method of detecting potentiometers ...

DDD Intel H555 chipset I3 Series motherboard architecture

On 2019-04-10 11:00:02  in Knownlege

DDD Intel H555 chipset I3 Series motherboard architecture

This article describes the DDD Intel H555 chipset I3 Series motherboard architecture. ...

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 ...

How to detect a double gate field-effect transistor?

On 2019-01-15 14:24:18  in Generally electronic semiconductor

How to detect a double gate field-effect transistor?

This article briefly introduces how to detect a double gate field-effect transistor ...

Dip welding and wave soldering technology

On 2019-01-02 17:22:45  in Technology

Dip welding and wave soldering technology

This article describes the Dip welding and wave soldering technology ...

How to detect and repair ?

On 2018-12-20 13:52:32  in Photoelectric

How to detect and repair ?

This article describes how to detect and repair LEDs ...

Wave soldering technology

On 2018-11-01 13:54:01  in Technology

Wave soldering technology

When the printed circuit board of the automatic dip welding machine has been inserted with components,the solder slot rises automatically when the printed circuit board is sent to the station by the conveyor belt ...

​how to detect a varactor?

On 2018-10-26 17:08:18  in Memory

​how to detect a varactor?

Because the positive resistance of the varactor diode is larger,the multimeter is placed in the RX 10k2 block,the red form is connected to the positive pole ...

What are the advantages of pic microcontroller?

On 2020-05-09 12:01:15  in IC Chips

What are the advantages of pic microcontroller?

This article describes the characteristics of pic microcontroller. ...

What are the symbols represent in circuit diagram?

On 2019-03-26 11:26:30  in Generally electronic component

What are the symbols represent in circuit diagram?

This article introduces the symbols represent in circuit diagram ...

Hand soldering precautions

On 2018-12-10 11:29:39  in Technology

Hand soldering precautions

This article briefly introduces several precautions for manual soldering. ...

What is a transistor?

On 2018-12-03 12:02:30  in Technology

What is a transistor?

​This article describes the characteristics of transistor ...

The structure and properties of quartz crystal elements

On 2018-11-03 13:39:16  in Question

The structure and properties of quartz crystal elements

The quartz crystal element is composed of a quartz wafer,a wafer bracket and a case.The role of the quartz crystal element in the circuit is equivalent to a high Q value LC resonant element ...

Wave soldering technology is a mature electronic assembly process

On 2018-10-30 11:33:30  in Memory

Wave soldering technology is a mature electronic assembly process

the process is loading plate,coating flux,preheating,wave soldering,hot air knife treatment,cooling and unloading plate ...

What are the FPGA applications in aerospace?

On 2023-08-15 18:32:13  in IC Chips

What are the FPGA applications in aerospace?

This article describes the characteristics of the FPGA applications. ...

More Chip Production Moves to 300mm Wafers

On 2023-02-24 14:36:17  in IC Chips

More Chip Production Moves to 300mm Wafers

Mitsubishi Chemical and Dow Corning have developed new processes to improve the production yields of 300mm μ-SiC wafers, enabling the manufacture of more, smaller, and faster integrated circuits. ...

How to choose the drive resistance in the triode analog circuit?

On 2019-09-28 10:43:01  in Technology

How to choose the drive resistance in the triode analog circuit?

This article describes the characteristics of the drive resistance. ...

How to apply self-interrogation and diagnostic functions to ensure the integrity of sensor data?

On 2021-05-31 10:42:42  in Sensor

How to apply self-interrogation and diagnostic functions to ensure the integrity of sensor data?

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

How to detect resistors by a pointer multimeter?

On 2019-06-13 16:26:21  in Resistors

How to detect resistors by a pointer multimeter?

This article describes the method of detecting resistors by a pointer multimeter ...

How to judge the quality of a connector?

On 2019-05-24 13:07:43  in Connector

How to judge the quality of a connector?

This article describes some methods to judge the quality of a connector. ...

nVIDIA chipset motherboard boot circuit.

On 2019-05-05 14:35:31  in IC Chips

nVIDIA chipset motherboard boot circuit.

This article writes about the nVIDIA chipset motherboard boot circuit. ...

Intel G41 chipset dual-core motherboard architecture.

On 2019-03-29 11:03:59  in IC Chips

Intel G41 chipset dual-core motherboard architecture.

This article writes about the Intel G41 chipset dual-core motherboard architecture. ...

What is gate circuit and how to judge it's good or bad?

On 2019-03-25 13:58:42  in IC Chips

What is gate circuit and how to judge it's good or bad?

This article describes the gate circuit and how to judge it's good or bad ...

How to check if the circuit is open with using a multimeter?

On 2019-02-20 11:00:54  in Knownlege

How to check if the circuit is open with using a multimeter?

This article briefly introduces some mthods for checking if the circuit is open with using a multimeter. ...

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 ...

How to measure the MOS field effect transistor?

On 2018-12-21 14:50:02  in Generally electronic semiconductor

How to measure the MOS field effect transistor?

This article briefly introduces how to measure the MOS field effect transistor ...

Common causes of virtual welding

On 2018-12-05 10:59:23  in Technology

Common causes of virtual welding

This article describes the common causes of virtual welding ...

​how to detect a bandstop transistor?

On 2018-10-27 11:10:04  in Generally electronic semiconductor

​how to detect a bandstop transistor?

Because of the internal resistance,the high resistance gear should be measured during testing ...

what is an infrared receiver?

On 2018-10-26 16:53:35  in Memory

what is an infrared receiver?

The infrared receiving tube is a semiconductor device used to receive the infrared light wave generated by the infrared light emitting diode and convert it into electrical signal. ...

What is the working principle of various buck regulators?

On 2021-07-13 10:55:40  in Transformer

What is the working principle of various buck regulators?

This article describes the characteristics of the regulators. ...

How to detect the fixed resistors by multimeter?

On 2019-06-14 16:19:00  in Resistors

How to detect the  fixed resistors by multimeter?

This article describes the method of detecting fixed resistors. ...

What is an infrared receiver?

On 2019-01-02 16:02:03  in Generally electronic semiconductor

What is an infrared receiver?

This article describes the infrared receiver ...

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 ...

Structure and characteristics

On 2018-11-01 16:47:41  in Memory

Structure and characteristics

LED digital tube also known as semiconductor digital tube ( Figure 1-1-5 ),it is a number of light-emitting diodes arranged in a fixed pattern and packaged together the most commonly used digital display one of the devices ...

What is the patch connector in the wire-to-board connector?

On 2021-07-22 10:41:34  in Connector

What is the patch connector in the wire-to-board connector?

This article describes the characteristics of the connector. ...

How to distinguish the types of circuits, and what are the layout rules for mixed digital and analog design?

On 2020-08-25 11:24:36  in IC Chips

How to distinguish the types of circuits, and what are the layout rules for mixed digital and analog design?

This article describes the characteristics of the circuits. ...

Do you know what are the precautions for using MOS tubes?

On 2019-12-11 10:38:46  in Discrete Semiconductor

Do you know what are the precautions for using MOS tubes?

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

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 ...

Has Japan developed a new inertial sensor that can assist vehicles in decimeter-level positioning?

On 2023-12-15 17:39:14  in Sensor

Has Japan developed a new inertial sensor that can assist vehicles in decimeter-level positioning?

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