Varactor diode

What types of semiconductor diodes can be classified according to their construction?

The semiconductor diode mainly depends on the PN junction and work. The point contact type and Schottky type, which are inseparable from the PN junction, are also included in the range of general diodes. So what types can it be classified according to its construction? Follow Xiaobian to have a look ~ ⒈ Dot contact …

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Do you know the reflection principle of terminal resistance signal?

During communication, there are two causes of terminal resistance signal reflection: impedance discontinuity and impedance mismatch. Impedance discontinuity, the signal at the end of the transmission line suddenly meets the cable impedance is very little or no, the signal will cause reflection at this point. The principle of signal reflection is similar to the way …

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What is terminal resistance?

What is the terminal resistance? Terminal resistance is an obstacle encountered in the transmission of electronic information. When high-frequency signals are transmitted, the signal wavelength is shorter than that of the transmission line, and the signal will form reflected waves at the terminal of the transmission line, interfering with the original signal. Therefore, terminal resistance …

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What are the differences between the four common resistors?

Today Xiaobian to introduce the difference between the following four kinds of resistance: 1, insulation resistance A DC voltage is applied to the medium. After a certain time of polarization, the corresponding leakage current through the dielectric is called insulation resistance. Insulation resistance is the most basic insulation index of electrical equipment and electrical circuit. …

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What’s the difference between a capacitor and a battery?

There are many people who do not know what a capacitor is and even mistake a battery for a capacitor. What is the difference between a capacitor and a battery? Today, follow Xiaobian to understand it ~ Capacitor is a kind of energy storage element, its basic working principle is charging and discharging. In electronic …

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L6574_ CFL/TL ballast drivers that support preheating and dimming

To ensure rated voltage over 600V, the L6574 is manufactured with BCD off-line technology, which makes it ideal for lamp ballast applications. The device is designed to drive two power MOSFets using a classic half-bridge topology that ensures all the functions required to drive and properly control fluorescent bulbs. The L6574 has a dedicated timing …

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South Korea’s chip inventories surged 53.4 percent in May as consumer electronics demand slowed markedly

Demand for memory chips in consumer electronics has clearly cooled, although demand for chips in cars remains in short supply. Financial Union June 30 – (editor Liu Rui) although the car chip is still in short supply, but consumer electronics memory chip demand has obviously cooled. South Korea’s national chip inventory rose 53.4% in May …

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Scientists develop the first molecular electronic chip

The first molecular electronic chip has been developed, fulfilling the 50-year goal of integrating a single molecule into a circuit to reach the ultimate extended limit of Moore’s Law. The chip, developed by Roswell Biotechnologies and a multidisciplinary team of leading academic scientists, uses a single molecule as a common sensor element in a circuit, …

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