Mar 7 2020
I IntroductionTwo adjacent conductors are sandwiched by a layer of a non-conductive insulating medium to form a capacitor. Capacitors are one of the most commonly used electronic components. They play an important role in circuits like tuning, bypassing, coupling, and filtering. For example, they ar
Feb 22 2020
I IntroductionThe light sensor is developed based on the photoelectric effect principle of semiconductors. It can be used to detect the intensity of ambient light, and it can also be used to detect the difference in light between different colored surfaces. Users can make projects that interact with
Feb 19 2020
IntroductionLED is a new type of light source that has entered the application field in the past ten years, and it has been used in the medical field for about 6 years, showing excellent therapeutic effects in such a short period of time. LED is a cold light source, which can well moisturize the sk
Feb 11 2020
CategoryI IntroductionII Development Background2.1 Limitations of Microwave Oscillators2.2 Origin of OEOIII Working Principle of OEO3.1 The basic structure of OEO3.2 Principle-based improvement direction(1) Phase noise(2) Side mode suppression(3) Frequency stability(4) Working frequen
Jan 17 2020
Ⅰ IntroductionFlyback Diodes, which are also known as freewheeling diodes, generally refer to diodes that are inversely paralleled across the ends of energy storage elements such as inductors, relays, and thyristors. When a voltage or current changes suddenly in a circuit, it protects other com
Jan 16 2020
CategoryⅠ IntroductionⅡ Electronic Ballast Circuit Diagram Research Application 2.1 Overview 2.2 Circuit Structure of High Performance Electronic Ballast 2.2.1 Power Factor Correction Circuit 2.2.2 Inverter Circuit2.2.3 Lam
Jan 11 2020
Ⅰ IntroductionIn electronics, the transient interference of voltage and current source is the main cause of damage to circuits and equipment, and it often causes immeasurable losses to the society. These disturbances usually come from the the starting and stopping operation of power equipment,
Dec 31 2019
IntroductionThyristor, commonly known as silicon controlled rectifier(SCR), its normative term is reverse blocking three-terminal thyristor. Thyristors are high-power semiconductor devices that have both switching and rectifying functions, and are used in various circuits such as controllable rectif
Dec 31 2019
I IntroductionLaser sensor is a kind of sensor which uses laser technology to measure. It is generally composed of laser, optical parts and photoelectric devices. It can convert the measured physical parameters (such as length, flow, speed, etc.) into optical signals, and then use photoelectric conv
Dec 31 2019
IntroductionThyristor is a four semiconductor layers or three PN junctions devicea solid-state semiconductor device with four layers of alternating P- and N-type materials. It is also known as “SCR” (Silicon Control Rectifier). The term “Thyristor” is dervid from the words of
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