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== Summary == Energy band diagram of a simple NPN bipolar junction transistor in forward-active mode showing electron energy versus position. The depletion regions of the emitter-base and base-collector junctions are marked. <math>E_c</math> is
PNP transistor symbol with case (IEEE 315). Note: A little confusing on the BJT page, because the NPN is drawn with Collector (C) on the top, while here it is drawn on the bottom. Date: 11 November 2007: Source: Own work: Author: Zedh: Other versions.svg:
Practical Electronics/Bipolar Transistors/NPN Transistor Practical Electronics/Basic Components Electronics Fundamentals/Semi Conductor Devices/Transistor/NPN Transistor
English: Simplified cross section of a planar npn Bipolar junction transistor showing the emitter, base and collector contacts and the respective regions with the silicon doping type. Replacement SVG version of File:Npn BJT cross section.PNG
Transistor d'unió difusa; Usage on cs.wikipedia.org Bipolární tranzistor; Usage on de.wikipedia.org Planartransistor; Usage on en.wikibooks.org Practical Electronics/Bipolar Transistors; Electronics Fundamentals/Semi Conductor Devices/Transistor; Usage on fa.wikipedia.org ترانزیستور پیوندی دوقطبی; Usage on fi.wikipedia ...
Figure 1: Basic NPN common collector circuit (neglecting biasing details). In electronics, a common collector amplifier (also known as an emitter follower) is one of three basic single-stage bipolar junction transistor (BJT) amplifier topologies, typically used as a voltage buffer.
Alternately, if a germanium PNP device was used, it would have significantly different characteristics than the silicon NPN transistor. In the quasi-complementary topology, the performance of the lower pull pair, which uses a single NPN transistor, more closely matches the performance of the upper push pair, which consists of two NPN ...