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  • The Shockley Diode Features & Operation

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    by

    John Mulindi
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    The Shockey diode is a four layer sandwich of PNPN semiconductor material very similar to the SCR but without a gate as illustrated in the Figure 1.0 below: Figure 1.0 Shockley or 4-layer diode (PNPN diode) Figure 1.1 Transistor equivalent … Read more

  • The Diac Features & Applications

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    by

    John Mulindi
    in

    Features of a Diac The diac is a two-terminal, semiconductor, bi-directional switching device. It can conduct in both directions. The diac closely resembles a PNP transistor without an external base terminal. Figure 1.0 Diac Structure Figure 1.1 Diac Symbol Operation … Read more