Transistor roles, characteristics and states

On 2018-12-13 11:45:47  in Knownlege

Transistor  roles, characteristics and states

This article describes of transistor roles, characteristics and states ...

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. ...

Maintenance method for memory power supply failure.

On 2019-04-24 11:52:22  in Knownlege

Maintenance method for memory power supply failure.

This article writes about the Maintenance method for memory power supply failure. ...

Audio transformer and high frequency transformer

On 2019-01-04 12:01:12  in Transformer

Audio transformer and high frequency transformer

This article briefly introduces the audio transformer and high frequency transformer ...

Insulation resistance

On 2018-12-11 14:12:15  in Knownlege

Insulation resistance

This article briefly introduces insulation resistance ...

​What is an LED digital tube?

On 2018-10-29 15:10:23  in Photoelectric

​What is an LED digital tube?

A commonly used LED digital tube is composed of seven light-emitting tubes,which is composed of eight figures,with a decimal point inside the eight-section digital tube, Figure is shown as the digital tube shape and internal Structure Chart ...

What is the diode and how to judge whether it is good or bad?

On 2019-03-16 13:34:16  in Generally electronic semiconductor

What is the diode and how to judge whether it is good or bad?

This article briefly introduces the diode and how to judge whether it is good or bad ...

Can a Switching Power Supply Be Used as a Charger?

On 2018-12-26 17:13:50  in Generally electronic component

Can a Switching Power Supply Be Used as a Charger?

The article explores whether a switching power supply can be used as a charger ...

What is the turn-off thyristor?

On 2018-10-29 15:02:28  in Generally electronic semiconductor

What is the turn-off thyristor?

The GTO is also a PNPN four-layer semiconductor device whose structure and equivalent circuit are the same as ordinary thyristors. ...

What are the methods for preventing the reverse connection of the MOS tube?

On 2019-08-07 10:30:11  in Generally electronic component

What are the methods for preventing the reverse connection of the MOS tube?

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

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 is a photosensitive diode?

On 2018-12-29 14:09:47  in Photoelectric

What is a photosensitive diode?

This article writes about the photosensitive diode ...

Diode rectifier filter circuit,Diode half wave rectifier circuit

On 2018-09-12 13:00:54  in Memory

Diode rectifier filter circuit,Diode half wave rectifier circuit

Power plant to send 50 Hz AC, after long-distance transmission, to the user is still 50 Hz AC, it is usually sent to industrial users 380 V three-phase AC, to ordinary civil users 220V single-phase AC. ...

Diode rectifier filter circuit Diode half wave rectifier circuit

On 2018-08-28 17:36:03  in Relays

Diode rectifier filter circuit Diode half wave rectifier circuit

Therefore, bridge rectifier has been widely used.Diode half wave rectifier circuit ...

What is the working principle of the current transformer sampling circuit?

On 2023-08-09 17:06:05  in Sensor

What is the working principle of the current transformer sampling circuit?

This article describes the characteristics of the current transformer sampling circuit. ...

What are the characteristics of LED waterproof power supply?

On 2021-11-05 10:38:37  in Photoelectric

What are the characteristics of LED waterproof power supply?

This article describes the characteristics of the power supply. ...

How to design a common-emitter amplifier circuit?

On 2019-09-09 10:27:12  in Generally electronic semiconductor

How to design a common-emitter amplifier circuit?

This article describes the characteristics of the common-emitter amplifier. ...

How to use the basic measurement function of automobile digital multimeter?

On 2019-03-09 11:48:04  in Technology

How to use the basic measurement function of automobile digital multimeter?

This article describes the use of the basic measurement function of automobile digital multimeter ...

How to use a digital multimeter?

On 2018-12-28 14:41:08  in Technology

How to use a digital multimeter?

This article describes the use methods of digital multimeter. ...

The main role of the potentiometer?

On 2018-12-11 13:20:38  in Knownlege

The main role of the potentiometer?

This article describes the main role of the potentiometer ...

What are the characteristics of the test transformer?

On 2021-05-20 10:33:41  in Transformer

What are the characteristics of the test transformer?

This article describes the characteristics of the transformer. ...

GND( ground) resistor value measured by a multimeter

On 2019-04-02 11:32:30  in Resistors

GND( ground) resistor value measured by a multimeter

This article describes the GND( ground) resistor value measured by a multimeter ...

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 ...

How it Works about the O2 sensor?

On 2018-12-17 11:12:19  in Sensor

How it Works about the O2 sensor?

This article describes works principles of the O2 sensor ...

Classification of capacitors

On 2018-10-30 11:59:35  in Relays

Classification of capacitors

According to function.It can be divided into polyester capacitor,mica capacitor,high frequency ceramic capacitor,monolithic capacitor ...

How do you measure infrared light emitting diodes?

On 2018-10-26 16:48:19  in Memory

How do you measure infrared light emitting diodes?

When detecting infrared light emitting diodes,there is a big difference between the pointer type multimeter and the digital multimeter ...

what is an infrared light emitting diode?

On 2018-10-26 16:45:24  in Memory

what is an infrared light emitting diode?

determine the order of the arrangement of the pins.The multimeter is placed in the R*1 thousand euro file ...

what are the characteristics of a light emitting diode?

On 2018-10-26 16:17:19  in IC Chips

what are the characteristics of a light emitting diode?

Light emitting diodes have the same conductivity as ordinary diodes.When positive currents pass through PN junctions ...

How to use a mechanical multimeter?

On 2019-01-27 14:43:12  in Technology

How to use a mechanical multimeter?

This article introduces how to use a mechanical multimeter. ...

How to detect a transformer?

On 2018-12-20 11:11:48  in Generally electronic component

How to detect a transformer?

This article describes how to detect a transformer. ...

What sensors are commonly used in industrial robots?

On 2023-12-25 16:36:15  in Sensor

What sensors are commonly used in industrial robots?

This article describes the characteristics of the sensors. ...

What are the advantages of fiber grating sensors?

On 2023-12-19 16:47:05  in Sensor

What are the advantages of fiber grating sensors?

This article describes the characteristics of the fiber grating sensors. ...

What are the major guidelines for FPGA "programmability"?

On 2023-08-18 18:13:29  in IC Chips

What are the major guidelines for FPGA "programmability"?

This article describes the characteristics of the FPGA "programmability". ...

What is the effect of mma7660 gravity accelerometer and gyroscope?

On 2023-08-10 18:26:13  in Filter

What is the effect of mma7660 gravity accelerometer  and gyroscope?

This article describes the characteristics of the gravity accelerometer. ...

Soldering techniques and processes in assembly

On 2023-07-28 11:02:23  in PCBA

Soldering techniques and processes in assembly

In the PCBA (Printed Circuit Board Assembly) assembly process, the selection of soldering technology and process is crucial to ensure soldering quality and improve product reliability. This article will introduce the soldering techniques commonly used in ...

The relationship and optimization method between PCBA design and electromagnetic compatibility (EMC)

On 2023-07-22 15:54:42  in PCBA

The relationship and optimization method between PCBA design and electromagnetic compatibility (EMC)

Electromagnetic compatibility (EMC) is an important consideration in PCBA (Printed Circuit Board Assembly) design. This article will introduce the relationship between PCBA design and EMC, explain the reasons for EMC problems, and provide some optimizatio ...

Seven steps of PCB layout and wiring and circuit board design skills

On 2023-07-08 15:50:26  in PCBA

Seven steps of PCB layout and wiring and circuit board design skills

PCB layout and routing is a crucial step in circuit board design, which determines circuit performance and reliability. This article will introduce the seven steps of PCB layout and routing, and share some circuit board design skills, aiming to help impro ...

How to choose the right LED street lamp power supply?

On 2022-02-21 11:15:30  in Discrete Semiconductor

How to choose the right LED street lamp power supply?

This article describes the characteristics of the power supply. ...

What is the principle of the scanning method of the led display?

On 2021-10-25 10:50:28  in Photoelectric

What is the principle of the scanning method of the led display?

This article describes the characteristics of the led display. ...

Which ones do you know about network storage technology?

On 2021-08-26 10:44:21  in Technology

Which ones do you know about network storage technology?

This article describes the characteristics of the network storage technology. ...