Columbia Encyclopedia

Search results

320 results found

etched circuit

(Encyclopedia)etched circuit: see printed circuit. ...

analog circuit

(Encyclopedia)analog circuit, electronic circuit that operates with currents and voltages that vary continuously with time and have no abrupt transitions between levels. Generally speaking, analog circuits are cont...

parallel circuit

(Encyclopedia)parallel circuit: see electric circuit. ...

series circuit

(Encyclopedia)series circuit: see electric circuit. ...

short circuit

(Encyclopedia)short circuit, abnormal connection of low resistance between two points of a circuit that usually causes a high, potentially damaging current to flow. To protect against damage, devices such as a fuse...

printed circuit

(Encyclopedia)printed circuit, electric circuit in which the conducting paths connecting circuit components are affixed to a flat, insulating base board. The base is typically of plastic, glass, ceramic, or some ot...

Integrated Pest Management

(Encyclopedia)Integrated Pest Management (IPM), planned program that coordinates economically and environmentally acceptable methods of pest control with the judicious and minimal use of toxic pesticides. IPM progr...

resistor

(Encyclopedia)resistor, two-terminal electric circuit component that offers opposition to an electric current. Resistors are normally designed and operated so that, with varying levels of current, variations of the...

Kilby, Jack St. Clair

(Encyclopedia)Kilby, Jack St. Clair, 1923–2005, American electrical engineer, b. Jefferson City, Mo., B.S. Univ. of Illinois, 1947, M.S. Univ. of Wisconsin, 1950. In 1958, Kilby began working for Texas Instrument...

Moore, Gordon Earle

(Encyclopedia)Moore, Gordon Earle, 1929– American engineer, inventor, and entrepreneur, b. San Francisco, Ph.D. California Institute of Technology, 1954. He joined (1956) Shockley Semiconductor Laboratory, where ...