The Iraq War: How We Spent $800 Billion (and Counting) Follow @sarah_childressMarch 18, 2013, 1:36 pm ET. The Iraq war cost twice as much as the war in Afghanistan, and more than 16 times as much as the Bush administration predicted.
emitter. 1  a person or thing that emits. 2  Electronics. an electrode on a transistor from which a flow of electrons or holes enters the region between the electrodes.
Common Emitter. The common emitter configuration is the one mostly used in amplifiers. In this configuration the transistor is DC biased using one of several different biasing circuits available, then the positive and negative terminals of the input AC signal are connected to the base and the emitter respectively.