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What is Silicon Controlled Rectifier (SCR)? Working, Circuit Diagram, Construction, Symbol, Applications & VI Characteristics

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A silicon-controlled rectifier is a four-layer PNPN device with a gate control terminal. Basically, it is a semiconductor device made of silicon material. Construction & Working of Silicon Controlled Rectifier (SCR) The basic structure of SCR is illustrated in figure 2. Figure 2: Silicon Controlled Rectifier (SCR) Structure. It consists of four layers (i.e., p, […]

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What is DC to DC Boost Converter? Working Principle, Waveforms, Circuit Diagram, Formula & Derivation

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A boost converter set up the output voltage is more (i.e., stepped up) than the DC input voltage. Hence, this converter is called boost converter.

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What is TRIAC? Working, Characteristics, Symbol & Applications

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TRIAC is a bilateral power device which operates in both the forward and reverse mode. Its operation is similar to two parallel SCRs connected in opposite direction with a common gate terminal as shown below. The construction shown in Fig. 1 (a) and symbol as shown in 1 (b). (a) (b) Fig. 1: Construction and

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