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เนื้อหาย่อ : Transistc: Circuits in Electronics c. S. Hakin and R. Barrett Written for engine-'s and stude-ts, t'is book int:oduces the working principles of transistors in wo h amplifiers and oscillators and linear and switching circrits. Ii beginc with a di scussion of transistor cl ar cteris- tics and the functions arious yp s p rfur The authors thoroughly discus graplical analysis, small signal equiva- lent circuits and pat meters, u-c amplifiers and wave-form di tortion. Feedback amplifier and osc.ilator cicuits, siability and automatic gain control are also examined. The second half of the book considers the trarsistor as a switch, then covers I generative switching circuits. It shows how Boolean algebra, the algebra of sets and binary aritl m ic,are applied in the study of computer and other logical circuits. Numerical -xamples have been in- troduced wherever necessary to illustrate the principles developed. 341 pages, illustrated clo thlound. Units of Measurement of Physical Qvantities A. G. Cheriov In what may prove tu be a classic treatr: -nt, this concise volume pro- vides a comprehensive uitroduction to ti e world's major systems of physical measureme t. In successive chapters, the author descuibes, analyzes, and inter-feiates the wide range of quantitative mosuring systcms. Precise tables, constants, con'ersions - verything iecessary or helpful to the u;er - are given for each indiv: lual sysiem. In bouh scope and detail, this convenient text-reference filis a vital need of the engineer, physicin chemist, technician, teacher and stud nt. 165 pages, illustrated, cloth and papert ound.