voltage amplifier tube
51Pierce, John Robinson — ▪ 2003 American engineer (b. March 27, 1910, Des Moines, Iowa d. April 2, 2002, Sunnyvale, Calif.), was recognized as the father of satellite communications. After earning a Ph.D. from the California Institute of Technology (Caltech) in… …
52Electrical engineering — Electrical engineering, sometimes referred to as electrical and electronic engineering, is a field of engineering that deals with the study and application of electricity, electronics and electromagnetism. The field first became an identifiable… …
53Hans Ferdinand Mayer — (* 23 October 1895 in Pforzheim; † 18 October 1980 in Munich) was a German mathematician and physicist perhaps most notable for the Oslo Report which revealed German technological secrets near the start of World War II. Biography Hans Ferdinand… …
54pentode — [pen′tōd΄] n. [ PENT(A) + ODE1] an electron tube containing five electrodes, usually a cathode, anode, and three grids: used as a voltage amplifier …
55List of vacuum tubes — This is a list of vacuum tubes or thermionic valves. Before the advent of semiconductor devices, hundreds of tube types were used in consumer and industrial electronics; today only a few types are still used in specialized applications. Contents… …
56electronics — /i lek tron iks, ee lek /, n. (used with a sing. v.) the science dealing with the development and application of devices and systems involving the flow of electrons in a vacuum, in gaseous media, and in semiconductors. [1905 10; see ELECTRONIC,… …
57Oscilloscope types — This is a subdivision of the Oscilloscope article, discussing the various types and models of oscilloscopes in greater detail. Contents 1 Cathode ray oscilloscope (CRO) 1.1 Dual beam oscilloscope 2 Analog storage oscilloscope …
58Mesa Boogie — The Mesa Boogie logo Mesa/Boogie (also known as Mesa Engineering) is a company in Petaluma, California that makes amplifiers for guitars and basses. It has been in operation since 1969. Mesa was started by Randall Smith as a small repair shop… …
59Oscilloscope — This article is about current oscilloscopes, providing general information. For history of oscilloscopes, see Oscilloscope history. For detailed information about various types of oscilloscopes, see Oscilloscope types. Illustration showing the… …
60Transistor — For other uses, see Transistor (disambiguation). Assorted discrete transistors. Packages in order from top to bottom: TO 3, TO 126, TO 92, SOT 23 A transistor is a semiconductor device used to amplify and switch electronic signals and power. It… …
