Varactor Diode Operation and Characteristics

Varactor Diode Operation and Characteristics: Varactor Diode Operation and Characteristics were first used in the early 1950s as simple voltage-variable capacitance and later for frequency modulation of oscillators. They thus…

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Varactor Diode Symbol

Varactor Diode Symbol: A specially processed junction diode that assumes the properties of a variable capacitor (about 5 - 250 pf) when its dc reverse voltage is varied is called…

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Fast Recovery Diode (FRD)

Fast Recovery Diode (FRD): Fast recovery diode are designed to provide ultrahigh switching speed. The devices can be classified into two types : diffused P-N junction diodes and metal semiconductor…

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PN Junction Diode Applications

PN Junction Diode Applications: An ideal PN Junction Diode Applications is a two terminal polarity sensitive device that has zero resistance (i.e., diode conducts) when it is forward biased and…

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Pin Diode Construction

Pin Diode Construction: The Pin Diode Construction consists of a narrow layer of p-type semiconductor separated from an equally narrow layer of n-type material by a somewhat thicker region of…

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Gunn Diode Working Principle

Gunn Diode Working Principle: A practical Gunn Diode Working Principle consists of a slice like the one shown in Figure 12-24, sometimes with a buffer layer between the active layer…

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Trapatt Diode Construction and Working

Trapatt Diode Construction and Working: The Trapatt Diode Construction and Working is derived from and closely related to the IMPATT diode. Indeed, as pointed out near the beginning of this…

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