We are Apogeeweb Semiconductor Electronic


Oct 30 2020

How to Test a Diode in Circuit with a Multimeter?

IntroductionSemiconductor diode, also known as crystal diode, has obvious unidirectional conductivity. It is a kind of electronic components widely used in electrical equipment for protection, rectification, switching, and many other applications. So it is pretty common to see diodes in daily electr

Continue reading »

Oct 26 2020

Humidity Sensor: Working, Types, Application and Arduino Guide

IntroductionThe humidity sensor is a sensor that measures relative humidity, absolute humidity, or dew point. At present, such sensors are widely used, and are gradually developing in the direction of excellent environmental resistance, long life, and low price.   This article will introduce

Continue reading »

Oct 20 2020

Time Delay Relay Basics: Relay Circuit and Applications

IntroductionTime relay refers to a kind of relay whose output circuit needs to make an obvious change (or contact action) after adding (or removing) the input action signal in a specified and accurate time. It is an electrical component used in a circuit with a lower voltage or a

Continue reading »

Oct 13 2020

PCB Design: How to Draw Circuit Diagram of PCB?

IntroductionPCB exists in every electronic device. A fully functional PCB is mainly used to create connections between components, such as resistors, capacitors, inductors, diodes, transistors, integrated chips, etc. It is the carrier of the entire logic circuit. Sound PCB design can save production

Continue reading »

Oct 10 2020

What are Series RLC Circuit and Parallel RLC Circuit?

IntroductionRLC circuit is a circuit structure composed of resistance (R), inductance (L), and capacitance (C). The LC circuit is a simple example. RLC circuits are also called second-order circuits. The voltage or current in the circuit is the solution of a second-order differential equation, and i

Continue reading »

Sep 17 2020

What is A Bandpass Filter?

IntroductionA band pass filter is an electronic device or circuit that allows signals between two specific frequencies to pass. That is, allowing signals in a specific frequency band to pass while shielding other frequency bands. In other words, a band-pass filter attenuates frequency components in

Continue reading »

Sep 11 2020

LED Drivers Tutorial: Failure Analysis and Maintenance

IntroductionLED lights cannot directly use the conventional mains grid voltage, because of the characteristics of LED lighting. In order to meet the special voltage and current requirements of LEDs, a specially designed voltage conversion device must be used to make LEDs work normally. This device i

Continue reading »

Sep 10 2020

How to Discharge a Capacitor?

IntroductionMany people who are often engaged in maintenance work have experienced electrical shocks after being turned off. Obviously, the "culprit" causing this phenomenon is the capacitor.   From power capacitors to filter capacitors to the graphite coating of old-fashioned televisions' pi

Continue reading »

Sep 3 2020

Types of Hard Disk Drive Interface

IntroductionThe hard disk interface is the connecting part between the hard disk and the host computer system, and its function is to transmit data between the hard disk cache and the host memory. Different hard disk interfaces determine the data transmission speed between the hard disk and the comp

Continue reading »

Aug 31 2020

Resistor Basics: Resistors in Series and Parallel

IntroductionResistors are usually connected in a circuit in various ways, and the two most basic ways are series and parallel. This article will mainly introduce these two connection methods, including their definitions, formulas, circuit diagrams, examples and identification methods. In addition, t

Continue reading »

  • Recommended Products
  • Popular Replace Parts

As one of the most favorite blogs by electronic engineers,Apogeeweb provides the latest information of the semiconductor industry for you,as well as the related information in the electronics industry,the electronic professional terms and daily recommended electronic component headlines.

# 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z