DS05- 7B (seven tube) superheterodyne radio debugging

On 2019-01-14 17:26:09  in Knownlege

DS05- 7B (seven tube) superheterodyne radio debugging

This article writes about the DS05- 7B (seven tube) superheterodyne radio debugging ...

What is the defferent between variable capacitor and trimming capacitor?

On 2019-01-12 14:22:19  in Capacitors

What is the defferent between variable capacitor and trimming capacitor?

This article describes the defferent between variable capacitor and trimming capacitor ...

What is a 555 timer?

On 2019-01-09 13:23:23  in IC Chips

What is a 555 timer?

This article writes about the 555 timer ...

Commonly used transformers

On 2019-01-04 13:57:57  in Transformer

Commonly used transformers

​This article describes some commonly used transformers ...

What is a sensor and its role?

On 2018-12-14 11:26:40  in Sensor

What is a sensor and its role?

This article briefly introduces the sensor and its role. ...

The difference between resistance and impedance

On 2018-12-04 11:32:41  in Knownlege

The difference between resistance and impedance

This article describes the difference between resistance and impedance ...

What are the techniques for car electronic instrument maintenance?

On 2019-07-10 10:53:09  in Technology

What are the techniques for car electronic instrument maintenance?

This article writes about the techniques for car electronic instrument maintenance ...

What is the work principle of LED cycle light and the list of components to form it?

On 2019-01-23 16:37:01  in Technology

What is the work principle of LED cycle light and the list of components to form it?

This article write about the work principle of LED cycle light and the list of components to form it ...

How to detect,repair and replace the ordinary inductance coil?

On 2018-12-17 10:46:17  in Technology

How to detect,repair and replace the ordinary inductance coil?

This article briefly introduces some ways to detect,repair and replace the ordinary inductance coil ...

Special points and working principles of Wireless remote Control doorbell

On 2018-12-08 11:05:47  in Knownlege

Special points and working principles of Wireless remote Control doorbell

This article writes about special points and working principles of Wireless remote Control doorbell ...

What should I pay attention to when designing and developing a switching power supply DC-DC control chip?

On 2021-07-14 10:50:29  in IC Chips

What should I pay attention to when designing and developing a switching power supply DC-DC control chip?

This article describes the characteristics of the DC-DC control chip. ...

Do you know what are the precautions for using MOS tubes?

On 2019-12-11 10:38:46  in Discrete Semiconductor

Do you know what are the precautions for using MOS tubes?

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

Pre-welding preparation

On 2018-12-10 14:05:13  in Knownlege

Pre-welding preparation

This article describes the preparation of pre-welding ...

Smart Motor Driver IC Without Current Sense Resistor

On 2023-03-10 14:09:21  in IC Chips

Smart Motor Driver IC Without Current Sense Resistor

The SMD IC is a great solution for motor control applications due to its compact size and low power consumption, as well as its ability to add precise current sensing without a current sense resistor. ...

What is the mechanism of electromagnetic emission and magnetic field interference?

On 2021-05-24 11:54:42  in Generally electronic component

What is the mechanism of electromagnetic emission and magnetic field interference?

This article describes the characteristics of the electromagnetic emission and magnetic field interference. ...

Introduction to the development of FPGA

On 2019-07-11 10:42:46  in Technology

Introduction to the development of FPGA

This article briefly introduces the introduction to the development of FPGA ...

What is the structure and function of low-voltage electrical appliances?

On 2019-05-25 14:08:17  in Generally electronic component

What is the structure and function of low-voltage electrical appliances?

This article briefly introduces the structure and function of low-voltage electrical appliances Low-voltage electrical structure ...

What is the definition and major categories of low-voltage electrical appliances?

On 2019-05-23 11:55:08  in Knownlege

What is the definition and major categories of low-voltage electrical appliances?

This article briefly introduces the definition and major categories of low-voltage electrical appliances ...

How to use the OTC700 series automobile digital multimeter to text the rotation speed and duty?

On 2019-04-24 11:39:47  in Knownlege

How to use the OTC700 series automobile digital multimeter to text the rotation speed and duty?

This article describes the use of OTC700 series automobile digital multimeter to text the rotation speed and duty ...

How the Intel H55 chipset motherboard works?

On 2019-04-18 13:57:22  in Knownlege

How the Intel H55 chipset motherboard works?

This article writes about the Intel H55 chipset motherboard ...

What is the nature of resistor?

On 2019-01-19 16:35:21  in Resistors

What is the nature of resistor?

This article briefly introduces the nature of resistor. ...

How to select a general small power triode and a high power triode?

On 2019-01-08 15:57:01  in Generally electronic semiconductor

How to select a general small power triode and a high power triode?

The article explores how to select a general small power triode and a high power triode ...

What is a photocell sensor?

On 2018-12-29 15:46:28  in Sensor

What is a photocell sensor?

This article describes the role of photocell sensor ...

How to detect and repair ceramic filters?

On 2018-12-20 14:47:43  in Generally electronic component

How to detect and repair ceramic filters?

This article describes how to detect and repair ceramic filters ...

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 is a relay?

On 2018-12-15 15:06:06  in Relays

What is a  relay?

This article briefly introduces the classification of relays ...

How the AMD A75 chipset motherboard works?

On 2019-04-30 11:02:30  in Knownlege

How the AMD A75 chipset motherboard works?

This article describes the work principle of AMD A75 chipset motherboard. ...

The Ground in ATX Power Supply

On 2019-04-12 13:11:17  in Knownlege

The Ground in ATX Power Supply

This article briefly introduces the Ground in ATX Power Supply ...

What is the motherboard architecture?

On 2019-04-02 11:03:17  in Knownlege

What is the motherboard architecture?

This article writes about the motherboard architecture. ...

What are the method of judging the probable fault position of the pointer multimeter?

On 2019-02-14 11:03:30  in Knownlege

What are the method of judging the probable fault position of the pointer multimeter?

This article briefly introduces the method of judging the probable fault position of the pointer multimeter ...

How to choose a mechanical multimeter?

On 2019-01-27 15:14:01  in Knownlege

How to choose a mechanical multimeter?

The article explores how to choose a mechanical multimeter. ...

What is a binary code and encoder ?

On 2019-01-11 13:34:20  in IC Chips

What is a binary code and encoder ?

This article describes the binary code and encoder ...

What is a multivibrator?

On 2019-01-08 16:54:51  in IC Chips

 What is a multivibrator?

This article describes the multivibrator. ...

Common Field Effect Transistors

On 2018-12-25 13:29:10  in Generally electronic semiconductor

Common Field Effect Transistors

This article describes some kinds of common field effect transistors. ...

What is a magnetoelectric sensor and its roles?

On 2018-12-25 11:32:53  in Sensor

What is a magnetoelectric sensor and its roles?

​This article describes the role of magnetoelectric sensor. ...

Rated power rating and detection method of fixed resistance

On 2018-12-13 14:58:39  in Knownlege

Rated power rating and detection method of fixed resistance

This article briefly introduces rated power rating and detection method of fixed resistance ...

How to choose an air switch

On 2018-12-06 13:34:28  in Knownlege

How to choose an air switch

​This article briefly introduces how to choose an air switch ...

​What is a differential pair?

On 2018-10-27 11:20:00  in Knownlege

​What is a differential pair?

A differential pair of tubes is also called a pair of tubes or a differential pair of tubes. ...

How to detect the fixed resistors by multimeter?

On 2019-06-14 16:19:00  in Resistors

How to detect the  fixed resistors by multimeter?

This article describes the method of detecting fixed resistors. ...

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 ...