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 ...

The reason why the oled screen is burning, how to fix it?

On 2021-10-27 11:07:07  in Photoelectric

The reason why the oled screen is burning, how to fix it?

Oled screen burning reason analysis ...

Detailed explanation of the triode of a motor short circuit protection circuit

On 2023-03-13 14:11:20  in Generally electronic semiconductor

Detailed explanation of the triode of a motor short circuit protection circuit

Three-pole transistors protect circuits by cutting off current when there is a short circuit or overload. They are used in motor control and overload protection circuits, limiting the amount of current the motor or load can draw. ...

Functions of the OTC700 Series Digital Multimeter Display Panel.

On 2019-04-17 16:48:27  in Knownlege

Functions of the OTC700 Series Digital Multimeter Display Panel.

This article writes about the Functions of the OTC700 Series Digital Multimeter Display Panel ...

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 ...

How to judge a capacitor is good or bad and replace the bad one?

On 2019-03-11 12:00:02  in Technology

How to judge a capacitor is good or bad and replace the bad one?

This article describes the method to judge a capacitor is good or bad and replace the bad one ...

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. ...

One of the special resistor:thermistor

On 2019-01-07 16:33:18  in Resistors

One of the special resistor:thermistor

This article briefly introduces the thermistor ...

Bidirectional thyristor and Gate turn-off ( GTO ) thyristor

On 2018-12-27 15:04:07  in Generally electronic semiconductor

Bidirectional thyristor and Gate turn-off ( GTO ) thyristor

This article describes the Bidirectional thyristor and Gate turn-off ( GTO ) thyristor ...

How About Criteria for Selection of an Oscillator

On 2018-12-20 11:45:56  in Generally electronic component

How About Criteria for Selection of an Oscillator

This article describes how about criteria for selection of an oscillator ...

How to test and repair the rectifier bridge?

On 2018-12-17 14:45:30  in Generally electronic semiconductor

How to test and repair the rectifier bridge?

This article introduces some ways to test and repair the rectifier bridge ...

The main characteristic of the diode is Danxian

On 2018-10-30 10:56:52  in Memory

The main characteristic of the diode is Danxian

It refers to the maximum positive current allowed to pass through the diode during long-term operation,which is related to PN junction area and external heat dissipation conditions. ...

​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 a damped line output transistor?

On 2018-10-27 11:06:35  in Relays

What is a damped line output transistor?

The line output high power transistor with a damping transistor is a special tube in the output circuit of the television.Figure 6A shows the internal structure and equivalent circuit of the output transistor with damping line ...

​what is a double base diode (single junction transistor)?

On 2018-10-26 17:09:25  in Memory

​what is a double base diode (single junction transistor)?

Double base diode,also known as single crystal transistor (UJT)is a three terminal semiconductor device with only one PN junction.the circuit symbol,internal structure and equivalent circuit of double base diode. ...

How to test and repair the rectifier bridge?

On 2018-10-26 15:52:31  in IC Chips

How to test and repair the rectifier bridge?

Distinguish polarity to place the multimeter in RX1kQ block,and the black stylus arbitrarily connect a pin of the whole bridge component,and measure the other three pins with the red stylus,if the measured resistance is infinite ...

Do you know the basic knowledge of semiconductor diode?

On 2019-08-16 10:26:07  in Generally electronic component

Do you know the basic knowledge of semiconductor diode?

This article describes the characteristics of the semiconductor diode. ...

Ultra-high power density for 100W USB power delivery adapters.

On 2019-08-07 11:17:40  in Capacitors

Ultra-high power density for 100W USB power delivery adapters.

This article describes the characteristics of the adapters. ...

Methods for repairing LCD color TV with oscilloscope

On 2019-05-29 16:11:12  in Generally electronic semiconductor

Methods for repairing LCD color TV with oscilloscope

This article writes about the methods for repairing LCD color TV with oscilloscope ...

Photoresistors

On 2018-12-21 12:03:23  in Resistors

Photoresistors

This article writes about the photoresistors ...

Various pliers

On 2018-12-04 10:07:18  in Knownlege

Various pliers

This article describes the various pliers and their role ...

Types and detection methods of switching devices

On 2018-11-01 16:57:50  in Relays

Types and detection methods of switching devices

The switch is the component that completes the electrical connection and disconnection through a certain action,which is generally connected in series to realize the transmission and control of signal and electric energy ...

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 is a monochrome LED dot matrix display?

On 2018-10-29 15:27:20  in Relays

What is a monochrome LED dot matrix display?

Excellent LED dot matrix display is a monochrome light-emitting diode in accordance with the structure of rows and columns ...

How to identify and detect transistors?

On 2018-10-27 10:56:39  in Generally electronic semiconductor

How to identify and detect transistors?

Intuitionistic recognition.Figure shows the pin distribution diagram of common transistors. ...

How to prevent solid-state relay and equipment failure!

On 2018-12-17 11:51:59  in Relays

How to prevent solid-state relay and equipment failure!

The article explores how to prevent solid-state relay and equipment failure! ...

Is the technological force behind the flood control sensor technology?

On 2024-01-05 16:35:44  in Sensor

Is the technological force behind the flood control sensor technology?

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

What connector technology is currently driving the medical connector market?

On 2021-09-06 11:56:00  in Connector

What connector technology is currently driving the medical connector market?

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

With the application of the Internet of Things, will connectors become more and more important in harsh environments?

On 2021-08-05 10:48:58  in IC Chips

With the application of the Internet of Things, will connectors become more and more important in harsh environments?

This article describes the characteristics of the connectors. ...

What is going on with inductor saturation?

On 2024-01-05 14:11:02  in Sensor

What is going on with inductor saturation?

This article describes the characteristics of the inductor. ...

How does the water quality sensor used in aquaculture parameter detection work?

On 2023-11-13 16:00:14  in Sensor

How does the water quality sensor used in aquaculture parameter detection work?

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

Why should add a diode next to the relay?

On 2018-12-06 11:37:51  in Technology

Why should  add a diode next to the relay?

​This article describes the role of a diode to the relay ...

What are the key technologies of 5G antennas?

On 2020-12-10 11:54:51  in Crystals Oscillators/Resonators

What are the key technologies of 5G antennas?

This article describes the characteristics of the 5G antennas. ...

Carbon Nanotube Application in Electronic Components

On 2018-12-24 17:31:12  in Generally electronic semiconductor

Carbon Nanotube Application in Electronic Components

This article describes the Carbon Nanotube Application in Electronic Components ...

The principle, advantages and disadvantages of several liquid level gauges

On 2019-07-03 10:58:24  in Knownlege

The principle, advantages and disadvantages of several liquid level gauges

This article describes the principle, advantages and disadvantages of several liquid level gauges ...

What is the priciple of the digital tube?

On 2019-01-22 16:49:17  in Photoelectric

What is the priciple of the digital tube?

This article describes the basic principles of the digital tube ...

What is the sine wave oscillation circuit?

On 2019-01-09 12:05:39  in Crystals Oscillators/Resonators

What is the sine wave oscillation circuit?

This article briefly introduces the sine wave oscillation circuit ...

Surface acoustic wave filter and ceramic filter

On 2018-12-25 14:46:55  in Generally electronic component

Surface acoustic wave filter and ceramic filter

This article briefly introduces surface wave filter and ceramic filter ...

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 ...

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 ...