​The main parameters of LED

On 2018-10-31 11:11:54  in Memory

​The main parameters of LED

The main parameters of LED include the maximum working current Im and the maximum reverse voltage Um ...

What are the main points and points of attention of the power regulator?

On 2021-06-12 10:59:33  in Generally electronic component

What are the main points and points of attention of the power regulator?

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

​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 is the role of the transistor?

On 2018-12-05 11:31:53  in Generally electronic semiconductor

What is the role of the transistor?

​This article briefly introduces the role of the transistor ...

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 ...

Analysis of the power supply circuit of the main board bridge of the Intel H61 chipset.

On 2019-11-15 11:00:45  in Capacitors

Analysis of the power supply circuit of the main board bridge of the Intel H61 chipset.

This article describes the characteristics of the power supply circuit of the main board bridge of the Intel H61 chipset. ...

How to upgrade the interface of embedded system from the perspective of USB-C interface design?

On 2021-09-03 10:39:07  in Connector

How to upgrade the interface of embedded system from the perspective of USB-C interface design?

This article describes the characteristics of the USB-C interface. ...

How to solve the electromagnetic interference problem of LED drive power?

On 2019-09-24 10:17:31  in Photoelectric

How to solve the electromagnetic interference problem of LED drive power?

This article briefly introduces how to solve the electromagnetic interference problem of LED drive power? ...

What are the common transistors?

On 2019-01-08 16:15:52  in Generally electronic semiconductor

What are the common transistors?

​This article introduces some common transistors ...

How to measure the transistor?

On 2019-10-30 10:34:17  in Discrete Semiconductor

How to measure the transistor?

This article describes the characteristics of measuring the transistor. ...

What are the methods for reducing errors in resistance detection with a pointer multimeter?

On 2019-02-14 10:47:00  in Resistors

What are the methods for reducing errors in resistance detection with a pointer multimeter?

This article describes the methods for reducing errors in resistance detection ...

How to solve the interference problem in the motor controller EMC test process?

On 2019-08-12 10:13:51  in Technology

How to solve the interference problem in the motor controller EMC test process?

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

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 measure capacitance capacity?

On 2019-11-09 10:29:13  in Capacitors

How to measure capacitance capacity?

This article describes the characteristics of capacitance. ...

Digital multimeter structure and use

On 2019-01-25 17:58:18  in Knownlege

Digital multimeter structure and use

This article describes the digital multimeter structure and use ...

How to design a high-efficiency LED driver circuit?

On 2021-11-13 10:52:16  in Photoelectric

How to design a high-efficiency LED driver circuit?

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

What is the difference between triode and MOS control?

On 2021-06-29 10:47:02  in Discrete Semiconductor

What is the difference between triode and MOS control?

This article describes the characteristics of the triode and MOS control. ...

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. ...

Four switching power supplies common fail and repair skills

On 2019-07-11 10:59:51  in Generally electronic component

Four switching power supplies common fail and repair skills

This article briefly introduces four switching power supplies common fail and repair skills ...

What is a BTG thyristor?

On 2018-10-29 15:06:32  in Generally electronic semiconductor

What is a BTG thyristor?

The BTG thyristor is a special semiconductor device.The utility model can be used as a thyristor and can be used as a single junction transistor ( double base diode ) ...

How much does the sensor know?

On 2020-11-11 11:02:01  in Sensor

How much does the sensor know?

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

LED digital tube.

On 2021-03-03 10:32:13  in Generally electronic component

LED digital tube.

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

What are the precautions for using MOS tubes?

On 2019-08-06 10:47:35  in Generally electronic semiconductor

What are the precautions for using MOS tubes?

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

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 ...

How to Select and Apply Board-Mounted DC/DC Converters in Medical Systems

On 2023-03-04 13:55:01  in IC Chips

How to Select and Apply Board-Mounted DC/DC Converters in Medical Systems

Board mount DC/DC converters are commonly used in medical systems to provide power conversion between different dc power supply voltages. Factors such as power output, isolation, input voltage range, output voltage accuracy, ripple and noise, efficiency, ...

What are the features and use note of CMOS circuit?

On 2019-01-09 14:07:06  in Knownlege

What are the features and use note of CMOS circuit?

This article describes the features and use note of CMOS circuit ...

What are the applications of high-precision humidity measurement sensor modules in monitoring battery management systems?

On 2023-07-03 11:48:11  in IC Chips

What are the applications of high-precision humidity measurement sensor modules in monitoring battery management systems?

This article describes the characteristics of the battery management systems. ...

What are the selection criteria for capacitance, resistance, and inductance?

On 2021-06-30 11:30:29  in Generally electronic component

What are the selection criteria for capacitance, resistance, and inductance?

This article describes the characteristics of the capacitance, resistance, and inductance. ...

MCU-Crystal Reset Circuit and Power Supply

On 2023-03-15 13:26:20  in Generally electronic semiconductor

MCU-Crystal Reset Circuit and Power Supply

A crystal reset circuit with a carefully chosen power supply is used for providing an exact clock frequency for MCU and filter applications, ensuring accuracy and reliability. ...

Specific use of multimeter in ATX power maintenance.

On 2019-04-18 14:50:01  in Knownlege

Specific use of multimeter in ATX power maintenance.

This article briefly introduces the specific use of multimeter in ATX power maintenance. ...

Method of measuring common resistance and high resistance by digital multimeter.

On 2019-07-01 18:12:58  in Resistors

Method of measuring common resistance and high resistance by digital multimeter.

This article describes the method of measuring common resistance and high resistance by digital multimeter. ...

How many of the 6 characteristic parameters of capacitors do you know?

On 2023-03-07 16:54:04  in Capacitors

How many of the 6 characteristic parameters of capacitors do you know?

Capacitors are commonly used in electrical components and circuits for their ability to store and control charge, provide low impedance and high voltage withstanding capacity, self-discharge, and be temperature insensitive. ...

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. ...

How to make an electronic energy saving lamp?

On 2019-01-19 16:55:13  in Technology

How to make an electronic energy saving lamp?

This article describes to make an electronic energy saving lamp ...

AMD Motherboard bus Power supply Analysis

On 2019-04-23 14:03:28  in Knownlege

AMD Motherboard bus Power supply Analysis

This article writes about the AMD Motherboard bus Power supply Analysis ...

How to judge whether there is a fault element according to the value of earth resistance?

On 2019-04-03 14:22:13  in Knownlege

How to judge whether there is a fault element according to the value of earth resistance?

This article describes the how to judge whether there is a fault element according to the value of earth resistor. ...

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. ...

What are the methods for selecting electrolytic capacitors?

On 2019-08-28 10:32:24  in Capacitors

What are the methods for selecting electrolytic capacitors?

This article describes the characteristics of the electrolytic capacitors. ...

What is a piezomagnetic sensor and its role?

On 2018-12-21 13:56:32  in Sensor

 What is a piezomagnetic sensor and its role?

This article describes the roles of piezomagnetic sensor ...

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 ...