What is an optical coupler and how to measure it?

On 2018-12-15 14:23:34  in Photoelectric

What is an optical coupler and how to measure it?

This article introduces what is an optical coupler and how to measure it ...

What are capacitance charging and discharge?

On 2019-08-21 10:54:46  in Capacitors

What are capacitance charging and discharge?

This article describes the characteristics of capacitance charging and discharge. ...

Photosensitive resistor

On 2018-10-31 11:15:12  in Resistors

Photosensitive resistor

Photoresistor is a device made of semiconductor photoelectric effect principle.When the semiconductor is exposed to light ...

Four wave soldering daily maintenance and maintenance knowledge

On 2018-10-30 11:01:43  in Relays

Four wave soldering daily maintenance and maintenance knowledge

Four wave soldering daily maintenance and maintenance knowledge 1 regularly check the heating pipe voltage is normal,too high voltage will damage the heating pipe. ...

What is an optical coupler?

On 2018-10-27 10:41:35  in Memory

What is an optical coupler?

Optical coupler also known as photoelectric isolator,referred to as optocoupler. Optical couplers use light as a medium to propagate the Telecom number ...

Do you know the electronic filter mapping methods?

On 2019-12-13 10:51:15  in Capacitors

Do you know the electronic filter mapping methods?

This article describes the characteristics of the electronic filter. ...

What are the main parameters and types of LEDs and how to detect LED?

On 2018-12-14 13:55:28  in Photoelectric

What are the main parameters and types of LEDs and how to detect LED?

This article writes about the the main parameters and types of LEDs and how to detect LED ...

​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 interfaces on motherboards?

On 2019-02-13 13:09:43  in Knownlege

What are the interfaces on motherboards?

This article describes the interfaces on motherboards ...

Notes on FPGA pin adjustment

On 2023-03-18 11:50:26  in IC Chips

Notes on FPGA pin adjustment

Adjusting FPGA pins is essential for creating functional IC chips, reducing costs and improving reliability. It is important to remember various points before adjusting the pins, such as current, impedance, temperature, direction and performance testing. ...

RJ45 Connectors

On 2023-03-04 14:24:38  in Capacitors

RJ45 Connectors

RJ45 connector is a networking component consisting of pins, plastic cover and metal contacts, used to connect two devices and store electrical charge for data transmission. ...

Do you know capacitance on the ATX power supply?

On 2019-10-29 14:41:14  in Capacitors

Do you know capacitance on the ATX power supply?

This article describes the characteristics of capacitance on the ATX power supply. ...

How to measure the AXTpower?

On 2019-03-12 14:26:30  in Knownlege

How to measure the AXTpower?

This article describes the method to measure the AXTpower ...

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 are the characteristics and main parameters of Humidity sensitive resistor?

On 2019-01-09 15:32:22  in Resistors

What are the characteristics and main parameters of Humidity sensitive resistor?

This article writes about the characteristics and main parameters of Humidity sensitive resistor ...

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 are the main parameters of the varistor?

On 2019-01-09 13:22:09  in Resistors

What are the main parameters of the varistor?

This article describes the main parameters of the varistor. ...

The main parameters and identification of the potentiometer

On 2018-12-20 13:38:20  in Generally electronic component

The main parameters  and identification of the potentiometer

This article introduces the main parameters and identification of the potentiometer ...

Type and function of time relay

On 2018-12-08 10:45:33  in Knownlege

Type and function of time relay

​ This article briefly introduces different type and function of time relay ...

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 ...

the detection of the resistor

On 2018-10-31 10:55:57  in Memory

the detection of the resistor

Will be two pen ( regardless of the positive and negative ) are connected with the two ends of the resistor can be connected to measure the actual resistance value ( in order to improve the measurement accuracy ...

Potentiometer detection and resistance detection

On 2018-08-22 12:04:06  in Relays

Potentiometer detection and resistance detection

The actual resistance value can be measured by connecting two forms (no positive or negative) to the two ends of the resistor respectively. ...

What is the status of FPGA aerospace applications?

On 2023-08-07 18:28:13  in IC Chips

What is the status of FPGA aerospace applications?

This article describes the characteristics of the FPGA aerospace applications. ...

How to apply self-interrogation and diagnostic functions to ensure the integrity of sensor data?

On 2021-05-31 10:42:42  in Sensor

How to apply self-interrogation and diagnostic functions to ensure the integrity of sensor data?

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

How to design the ultrasonic signal transmitting and receiving circuit based on AT89S52 single chip microcomputer?

On 2019-10-08 18:04:13  in IC Chips

How to design the ultrasonic signal transmitting and receiving circuit based on AT89S52 single chip microcomputer?

This article describes the characteristics of the MCU. ...

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 are the classifications of pc power supplies?

On 2019-08-09 10:47:46  in Generally electronic semiconductor

What are the classifications of pc power supplies?

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

The advantages of FPGAs are consistent with the mainstream demand of automotive electronics.

On 2019-07-15 10:43:46  in Generally electronic component

The advantages of FPGAs are consistent with the mainstream demand of automotive electronics.

This article describes that the advantages of FPGAs are consistent with the mainstream demand of automotive electronics. ...

MEMS oscillator and quartz clock in the car

On 2019-05-20 13:14:44  in Knownlege

MEMS oscillator and quartz clock in the car

This article writes about the MEMS oscillator and quartz clock in the car ...

What are the performance characteristics and parameters of a small sealed lead-acid battery?

On 2018-12-28 17:03:12  in Generally electronic component

What are the performance characteristics and parameters of a small sealed lead-acid battery?

This article describes the performance characteristics and parameters of a small sealed lead-acid battery ...

Commonly used potentiometer

On 2018-12-21 14:17:03  in Resistors

Commonly used potentiometer

This article introduces some types of commonly used potentiometer ...

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 semiconductor materials used in RF microwave power transistors?

On 2020-05-19 09:32:04  in IC Chips

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

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

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 detect the Field effect transistor quality and replace the bad one ?

On 2019-03-23 11:36:39  in Generally electronic semiconductor

How to detect the Field effect transistor quality and replace the bad one ?

This article writes about the detection and replacement of Field effect transistor quality ...

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 common transistors?

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

What are the common transistors?

​This article introduces some common transistors ...

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 ...