What are the common faults of the digital multimeter and how to fix it after the fault?

On 2019-01-27 15:09:34  in Technology

What are the common faults of the digital multimeter and how to fix it after the fault?

This article writes about the digital multimeter common faults and maintenance. ...

How to use an internal heat type soldering iron?

On 2019-01-27 15:07:11  in Technology

How to use an internal heat type soldering iron?

This article introduces how to use an internal heat type soldering iron. ...

What is the definition and classification of luminescence?

On 2019-01-15 15:05:43  in Knownlege

What is the definition and classification of luminescence?

This article describes the definition and classification of luminescence. ...

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 ...

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 is the characteristic and classification of Digital Logic Gate Circuit?

On 2019-01-09 15:20:34  in IC Chips

  What is the characteristic and classification of Digital Logic Gate Circuit?

This article describes the characteristic and classification of Digital Logic Gate Circuit ...

What is included in the whole machine inspection?

On 2019-01-07 11:07:09  in Knownlege

What is included in the whole machine  inspection?

This article briefly introduces the whole machine inspection ...

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 ...

What is the structure and main parameters of the electromagnetic relay?

On 2018-12-18 15:17:36  in Relays

What is the structure and main parameters of the electromagnetic relay?

This article describes the structure and main parameters of the electromagnetic relay ...

What is a FET?

On 2018-12-18 14:14:09  in Generally electronic semiconductor

What is a FET?

This article introduces classifications main parameters of the FETs ...

Loudspeaker

On 2018-12-15 14:54:45  in Generally electronic component

Loudspeaker

This article introduces the classification of loudspeakers ...

Common socket and its function

On 2018-12-14 15:23:26  in Generally electronic component

Common socket and its function

This article introduces common socket and its function ...

Identification and detection of semiconductor triode.

On 2018-12-14 13:40:36  in Generally electronic semiconductor

Identification and detection of semiconductor triode.

This article describes the identification and detection of semiconductor triode. ...

What is a positive temperature coefficient thermistor?

On 2018-12-14 13:13:50  in Knownlege

What is a  positive temperature coefficient thermistor?

This article describes the parameters and measurement of the positive temperature coefficient thermistor ...

LED digital tube

On 2018-12-13 14:17:22  in Generally electronic semiconductor

LED digital tube

This article describes the role of LED digital tube. ...

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 ...

Type of electronic tube

On 2018-12-03 11:50:39  in Technology

Type of electronic tube

This article is about types of electronic tube ...

The types and characteristics of solder wave crests

On 2018-10-30 11:38:53  in Relays

The types and characteristics of solder wave crests

let the solder joints get reliable wetting;the stationary tin wave at the rear is perfect for further trimming the solder joints that have been wettable but irregular in shape ...

What is a Schottky diode? How to detect?

On 2018-10-26 15:54:21  in Relays

What is a Schottky diode? How to detect?

Schottky diode is a low-power, high-current,ultra-high-speed semiconductor device, reverse recovery time trr can be small to a few nanoseconds ...

​If there is no same type of pipe in use, how to replace it?

On 2018-10-26 15:50:14  in Relays

​If there is no same type of pipe in use, how to replace it?

Diodes are generally not good repair, damage can only be replaced. In selecting diodes, we should pay attention to the following principles. ...

Diode and transistor detection

On 2018-08-22 12:31:42  in Relays

Diode and transistor detection

In identifying and detecting common components, the resistance is the forward resistance of the diode. ...

How does an infrared proximity sensor work?

On 2020-11-18 11:26:50  in Sensor

How does an infrared proximity sensor work?

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

How does an infrared proximity sensor work?

On 2020-06-23 14:34:56  in IC Chips

How does an infrared proximity sensor work?

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

How does an infrared proximity sensor work?

On 2020-06-19 10:57:14  in Generally electronic semiconductor

How does an infrared proximity sensor work?

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

What are the current selection and usage methods of lithium battery protection board?

On 2021-05-17 10:54:22  in Generally electronic component

What are the current selection and usage methods of lithium battery protection board?

This article describes the characteristics of the lithium battery protection board. ...

How to use filters to solve the problem of electromagnetic interference?

On 2021-04-06 10:47:23  in Generally electronic component

How to use filters to solve the problem of electromagnetic interference?

This article describes the characteristics of the filters. ...

Texas Instruments: What is an operational amplifier?

On 2021-04-02 11:19:09  in Generally electronic component

Texas Instruments: What is an operational amplifier?

This article describes the characteristics of the amplifier. ...

How to deal with EMI and EMC in high frequency?

On 2021-04-01 10:38:22  in Generally electronic component

How to deal with EMI and EMC in high frequency?

This article describes the characteristics of the EMI and EMC. ...

What is the application principle of open-ended Hall current sensors in power distribution systems?

On 2020-11-17 11:34:15  in Sensor

What is the application principle of open-ended Hall current sensors in power distribution systems?

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

What are the applications of small current transformers based on the principle of zero magnetic flux in power systems?

On 2020-11-14 11:43:03  in Sensor

What are the applications of small current transformers based on the principle of zero magnetic flux in power systems?

This article describes the characteristics of the transformers. ...

EMI and ESD noise suppression design solutions based on LCD or camera?

On 2020-10-20 11:13:47  in IC Chips

EMI and ESD noise suppression design solutions based on LCD or camera?

This article describes the characteristics of the LCD. ...

What are the semiconductor materials used in RF microwave power transistors?

On 2020-01-14 10:46:34  in IC Chips

What are the semiconductor materials used in RF microwave power transistors?

This article describes the characteristics of the transistors. ...

How to test the electromagnetic compatibility of the excitation switching power supply circuit?

On 2019-12-05 10:32:19  in IC Chips

How to test the electromagnetic compatibility of the excitation switching power supply circuit?

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

How does the D trigger circuit change to SR type, JK type and T type?

On 2019-09-27 10:24:30  in Technology

How does the D trigger circuit change to SR type, JK type and T type?

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

What wrong data backup methods are fatal?

On 2021-05-15 10:56:34  in Generally electronic semiconductor

What wrong data backup methods are fatal?

This article describes the characteristics of the data backup. ...

What are the key factors for digital power to replace analog power?

On 2021-03-27 10:54:46  in Generally electronic semiconductor

What are the key factors for digital power to replace analog power?

This article describes the characteristics of the controller. ...

What is the relevant knowledge of sensors?

On 2021-02-22 10:33:42  in Sensor

What is the relevant knowledge of sensors?

This article introduces the relevant knowledge and characteristics of the sensor ...

How to protect outdoor cameras from extreme weather with temperature switches?

On 2021-01-20 10:45:23  in IC Chips

How to protect outdoor cameras from extreme weather with temperature switches?

This article describes whether the temperature switch will be affected by changes in the environment. ...

What are the types of gas sensors?

On 2020-11-13 10:58:12  in Sensor

What are the types of gas sensors?

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

Will the mechanical hard drive terminator be a QLC SSD?

On 2020-09-21 11:06:51  in IC Chips

Will the mechanical hard drive terminator be a QLC SSD?

This article describes the characteristics of the SSD. ...