ELEC 275 Lecture Notes - Lecture 1: Current Source
18 Sep 2016
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Def: it is an interconnection of various components a component can be a resistance, inductance, capacitance, voltage and/or current sources. A component in a network is also called a branch. A point where two or more branches are connected is called a node. The voltage (vs) remains constant, independent of the current (is), amps, drawn from it. In actual practice, is does not exceed the rated value, the maximum value permitted. The voltage (vs) can be ac (alternative current) or dc (direct current). it is represented by: Def: this supplies the same current (is) either ac or dc, independent of the voltage (vs) developed across it. Example: a junction transistor between collector and emitter, when the voltage exceed vmax, the collector current does not change. Resistance (r) represents the material, temperature, frequency, and/or other small factors. In the range of operators resistance (r) remains constant.
