power electronics in aerospace
use of bjt in aircraft
Typical applications for transistors in aircraft electrical and electronic systems are controlling generator field current, driving lights and warning displays, amplifying signals from sensors and transducers and for use as amplifying devices in cabin interphone and aircraft radio and navigation aids.
Conventional bipolar junction transistors ( BJT ) generally comprise NPN or PNP junctions of either silicon (Si) or germanium (Ge) material. The junctions are produced in a single slice of silicon by diffusing impurities through a photographically reduced mask. Silicon transistors are superior when compared with germanium transistors in the vast majority of applications (particularly at high temperatures) and thus germanium devices are very rarely encountered in modern electronic equipment.
one of the major use of bjt is Solid state voltage regulator which is inside electrical system of the aircraft.
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