Bipolar Junction Transistor as a Switch
Journal Title: IOSR Journals (IOSR Journal of Electrical and Electronics Engineering) - Year 2018, Vol 13, Issue 1
Abstract
Understanding the application of a bipolar Junction transistor or BJT as a switch requiers understanding the general working principles behind a transistor and the specific working principles behind a BJT. A transistor is essentially a semiconductor device with physical properties that make it ideal for amplifying or switching electric current and other signal. At the heart of this device is a doped semiconductor with engineered properties to alter its conductivity for a particular use. A BJT is a type of transistor with two major semiconductor materials that constitute three major areas or regions, each doped according to requirements. This architectural characteristics of a BJT brings forth effective applications in implications or on-off switching operations. Nonetheless, understanding BJT as a switch requires understanding the working principles underneath the device, the functions of each of the three major regions within this transistor, and the role of electron movement or current flow in the switching mechanism
Authors and Affiliations
Ali Habeb Aseeri, Fouzeyah Rajab Ali
Keywords
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- DOI 10.9790/1676-1301015257.
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