Digital integrated circuits consist mostly of transistors. Analog circuits comonly contain resistors and capacitors as well. Inductors are used in some high frequency analog circuits, but tend to occupy large chip area if used at low frequencies.
As techniques improve, the size of microelectronic components continue to decrease. At these smaller scales, previously unimportant physical effects, called parasitic effects, are magnified. The goal of the microelectronics engineer is to find ways to compensate for or to minimize these effects, while always delivering smaller, faster, and cheaper devices.
See also: electrical engineering, digital circuit, analog circuit.
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