Unformatted text preview: compare? Neglect changes to the base width (although it would in fact probably become larger during normal operation). IV. (40%) Given 3 GaAs npn transistors which are identical except that Transistor #2 has a base region width twice as wide as Transistor #1 and Transistor #3 has a base region doped twice as heavily as Transistor #1. All other dopings and lengths are identical for Transistors #1, #2 and #3. Identify the transistor or transistors that have the greatest of each of the following and give clear mathematical reasons in each case: (a) emitter injection efficiency, (b) base transport factor, (c) base-to-collector current amplification factor and (d) distortion due to base narrowing....
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- Fall '08
- Integrated Circuit, Bipolar junction transistor, P-n junction, Germanium