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| university:courses:electronics:text:chapter-8 [20 Sep 2013 17:15] – [8.8 The T Model] Doug Mercer | university:courses:electronics:text:chapter-8 [29 Apr 2014 15:52] – [8.2 Transistor Symbols] Doug Mercer | ||
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| =====8.2 Transistor Symbols===== | =====8.2 Transistor Symbols===== | ||
| - | There are four transistor types that correspond to these basic active device models. The schematic symbols for these are shown in figure 8.2.1. The n-type current controlled device is the NPN Bipolar Junction | + | There are four transistor types that correspond to these basic active device models. The schematic symbols for these are shown in figure 8.2.1. The n-type current controlled device is the NPN Bipolar Junction Transistor (BJT). The p-type current controlled device is the PNP BJT. The n-type voltage controlled device is the NMOS FET (metal oxide semiconductor field effect transistor). And finally, the p-type voltage controlled device is the PMOS FET. Rather than giving the device terminals generic names like X, Y and Z, the established convention for the BJT is Collector and Emitter for the current source terminals and Base for the current control terminal. Similarly, the convention for the MOS device is Drain and Source for the current source terminals and Gate for the voltage control terminal, |
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| - | Transistor (BJT). The p-type current controlled device is the PNP BJT. The n-type voltage controlled device is the NMOS FET (metal oxide semiconductor field effect transistor). And finally, the p-type voltage controlled device is the PMOS FET. Rather than giving the device terminals generic names like X, Y and Z, the established convention for the BJT is Collector and Emitter for the current source terminals and Base for the current control terminal. Similarly, the convention for the MOS device is Drain and Source for the current source terminals and Gate for the voltage control terminal, | + | |
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university/courses/electronics/text/chapter-8.txt · Last modified: 06 Jun 2017 17:13 by Doug Mercer