Laptop cooler

On 2018-12-05 12:07:56  in Knownlege

Laptop cooler

​This article briefly introduces the laptop cooler ...

What are the characteristics and importance of power cable insulation?

On 2019-08-14 10:31:38  in Generally electronic component

What are the characteristics and importance of power cable insulation?

This article describes the characteristics of the cables. ...

ROHM has developed a buck-boost DC/DC converter "BD83070GWL" with significant energy saving advantages.

On 2019-08-07 10:34:44  in Generally electronic semiconductor

ROHM has developed a buck-boost DC/DC converter "BD83070GWL" with significant energy saving advantages.

This article describes the characteristics of the converter. ...

How to reduce errors in detecting DC currents?

On 2019-02-13 11:44:47  in Technology

How to reduce errors in detecting DC currents?

This article describes the method of reducing errors in detecting DC currents. ...

Different characteristics of paper capacitors and film capacitors

On 2019-01-14 15:35:42  in Capacitors

Different characteristics of paper capacitors and film capacitors

This article describes the different characteristics of paper capacitors and film capacitors ...

L298N DC motor drive chip.

On 2020-05-05 10:28:09  in Generally electronic semiconductor

L298N DC motor drive chip.

This article describes the characteristics of the L298N DC motor drive chip. ...

The Work Principle of Circuit Breakers

On 2018-12-29 10:47:09  in Knownlege

The Work Principle of Circuit Breakers

This article describes the work principle of circuit breakers ...

AVR microcontroller, STC microcontroller, Freescale microcontroller introduction?

On 2020-06-05 11:10:43  in IC Chips

AVR microcontroller, STC microcontroller, Freescale microcontroller introduction?

This article describes the characteristics of AVR microcontroller, STC microcontroller, Freescale microcontroller. ...

What is the relationship between transistor and gate?

On 2019-11-01 10:22:23  in Discrete Semiconductor

What is the relationship between transistor and gate?

This article describes the characteristics of transistor and gate. ...

What is the clamp position of the diode?

On 2019-10-26 13:40:14  in Generally electronic component

What is the clamp position of the diode?

This article describes the characteristics of clamp position of the diode. ...

What are the methods of shielding interference in PCB design?

On 2019-07-23 13:44:09  in Generally electronic component

What are the methods of shielding interference in PCB design?

This article describes some methods of shielding interference in PCB design ...

Analysis of bad welding quality and countermeasures

On 2019-01-11 13:13:15  in Technology

Analysis of bad welding quality and countermeasures

This article describes the analysis of bad welding quality and countermeasures ...

What are the performance characteristics of headphones and earplugs and how to detect them?

On 2018-12-21 10:48:38  in Generally electronic component

What are the performance characteristics of headphones and earplugs and how to detect them?

This article briefly introduces the performance characteristics and detection of headphones and earplugs ...

Different of a five-terminal integrated voltage regulator with reset function and a voltage-controlled five-terminal integrated voltage regulator

On 2018-12-17 15:12:49  in IC Chips

Different of a five-terminal integrated voltage regulator with reset function and a voltage-controlled five-terminal integrated voltage regulator

This article briefly introduces different of a five-terminal integrated voltage regulator with reset function and a voltage-controlled five-terminal integrated voltage regulator ...

What are the signal letters on mainboard?

On 2019-03-14 11:26:47  in IC Chips

What are the signal letters on mainboard?

This article briefly introduces some signal letters on mainboard ...

3D smart TV concept and principle

On 2019-07-11 10:47:47  in Photoelectric

3D smart TV concept and principle

...

How to reduce the power consumption of wireless energy harvesting sensors when they work?

On 2019-07-04 17:48:13  in Sensor

How to reduce the power consumption of wireless energy harvesting sensors when they work?

This article briefly introduces the method of reducing the power consumption of wireless energy harvesting sensors when they work ...

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 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. ...

Light control automatic energy saving LED light circuit

On 2019-01-23 17:42:10  in Knownlege

Light control automatic energy saving LED light circuit

This article writes about the light control automatic energy saving LED light circuit ...

What is a Aluminum Electrolytic Capacitor and its characteristics and applications?

On 2019-01-09 14:19:25  in Capacitors

What is a Aluminum Electrolytic Capacitor and its characteristics and applications?

This article describes the characteristics and applications of Aluminum Electrolytic Capacitor ...

What is a unidirectional thyristor?

On 2018-12-14 11:49:41  in Generally electronic semiconductor

What is a unidirectional thyristor?

This article briefly introduces the unidirectional thyristor ...

What is a one-way thyristor?

On 2018-10-29 13:54:54  in Generally electronic semiconductor

What is a one-way thyristor?

SCR is a three-terminal semiconductor device composed of PNPN four-layer semiconductor material. ...

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. ...

What are the mainstream microcontrollers on the market?

On 2020-06-01 10:33:29  in IC Chips

What are the mainstream microcontrollers on the market?

This article describes the characteristics of mainstream microcontrollers. ...

How to design a negative charge pump white LED driver?

On 2019-08-09 11:07:35  in Photoelectric

How to design a negative charge pump white LED driver?

This article describes the characteristics of the LED driver. ...

What is the working principle of intelligent colored lights controller?

On 2019-01-28 15:21:12  in Technology

What is the working principle of intelligent colored lights controller?

This article writes about the working principle of intelligent colored lights controller ...

What are the mainstream microcontrollers on the market?

On 2020-05-28 09:53:20  in Generally electronic semiconductor

What are the mainstream microcontrollers on the market?

This article describes the characteristics of mainstream microcontrollers. ...

What are the power system voltage regulation methods and measures?

On 2019-08-08 11:52:11  in Technology

What are the power system voltage regulation methods and measures?

This article describes the characteristics of the voltage regulation. ...

How to reduce the risk of light strobe?

On 2019-07-03 10:40:05  in Photoelectric

How to reduce the risk of light strobe?

This article describes the stroboscopic hazard and explore to reduce it. ...

Electromagnetic interference of LED drive power

On 2019-06-13 16:11:37  in Generally electronic semiconductor

Electromagnetic interference of LED drive power

This article writes about the electromagnetic interference of LED drive power ...

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 welding materials and the selection of solder?

On 2019-01-27 14:47:56  in Knownlege

What are the welding materials and the selection of solder?

This article writes about the welding materials and the selection of solder ...

Common parameters

On 2018-10-30 11:49:42  in Memory

Common parameters

peak height refers to the peak soldering PCB to eat tin height ( Figure 2-1 1 43 ) ...

​what is LCD (LCD)? What are the characteristics?

On 2018-10-29 15:41:03  in Generally electronic semiconductor

​what is LCD (LCD)? What are the characteristics?

The composition of liquid crystal is an organic compound,which is composed of carbon.At room temperature,the liquid crystal is a kind of substance between solid and liquid,that is,the dual characteristics of solid and liquid substances. ...

The resistance between 2E and C

On 2018-10-27 11:00:40  in Relays

The resistance between 2E and C

The resistance between 2E and C.Silicon tube is almost infinite size power pin tube in the tens of thousands of euros,high-power wrong tube in the hundreds of Europe.If the measured resistance is zero ...

Monitoring air quality with optical nanosensors

On 2019-07-25 11:20:06  in Sensor

Monitoring air quality with optical nanosensors

This article describes the monitoring air quality with optical nanosensors ...

Effect of Eu doping concentration on luminescence properties of phosphors

On 2019-01-11 14:27:00  in Knownlege

Effect of Eu doping concentration on luminescence properties of phosphors

This article describes the effect of Eu doping concentration on luminescence properties of phosphors ...

What is a permanent magnetic synchronous motor?

On 2019-01-07 15:23:44  in Generally electronic component

What is a permanent magnetic synchronous motor?

This article describes the permanent magnetic synchronous motor ...

The classification of capacitors

On 2019-01-07 12:11:41  in Capacitors

The classification of capacitors

This article briefly introduces the classification of capacitors ...