Tài liệu The Illustrated dictionary of electronics pptx

... determina- tion of current of large dimension, or of the size of the ampere. ampere-hour Abbreviations: Ah, amp-hr. The quantity of electricity that passes through a cir- cuit in one hour when the rate of ... substance to the surface of another without absorption. An example is adsorption of water to the surface of a dielectric. This term is often con- fused with...

Ngày tải lên: 10/12/2013, 06:15

... bipolar transistor. 4. In the operation of an electron tube, the ratio of the derivative (instantaneous rate of change) of the plate voltage to the derivative of the grid volt- age, for zero ... type of radar, the sync delay introduced between trans- mission of the pulse and start of the trace on the indicator screen to eliminate the altitude circle in t...

Ngày tải lên: 19/01/2014, 17:20

... modifying only the address part of an instruction. address field In a computer, the part of the in- struction that gives the address of a bit of data (or a word) in the memory. address generation The programmed ... energy, on account of the motion of the source and/or the detecting apparatus. 3. A small displacement in the appar- ent positions of the stars...

Ngày tải lên: 19/01/2014, 17:20

... struck and then brought near the other, the second fork will begin vibrating. If the second fork has a fundamental frequency that is a harmonic of the frequency of the first fork, the second ... execution of a specific operation. absolute magnitude For a complex number quan- tity, the vector sum of the real and imaginary components (i.e., the square root of the s...

Ngày tải lên: 25/01/2014, 12:20

... determina- tion of current of large dimension, or of the size of the ampere. ampere-hour Abbreviations: Ah, amp-hr. The quantity of electricity that passes through a cir- cuit in one hour when the rate of ... substance to the surface of another without absorption. An example is adsorption of water to the surface of a dielectric. This term is often con- fused with...

Ngày tải lên: 25/01/2014, 13:20

... energy, on account of the motion of the source and/or the detecting apparatus. 3. A small displacement in the appar- ent positions of the stars from month to month on account of the earth’s orbital ... PM Page 7 This page intentionally left blank. The Illustrated Dictionary of Electronics Front 4/9/01 4:38 PM Page i The Illustrated Dictionary of Electron...

Ngày tải lên: 25/01/2014, 13:20

... downplaying the commercial and business aspects. 2.2 The History of Modern Standards In 1836, the U.S. Congress authorized the Office of Weights and Measures (OWM) for the primary purpose of ensuring ... were not within the purview of the OWM, so there was no government involvement during this period. It took the pres - sures of war production in 1918 to cause the...

Ngày tải lên: 16/01/2014, 16:33

Ngày tải lên: 10/12/2013, 12:15

... starting point at the left side of the screen. Consider the left side of the screen to be the an- tenna, the horizontal axis to be distance instead of time, and the sweep speed to be the speed of light, ... were not within the purview of the OWM, so there was no government involvement during this period. It took the pres - sures of war production in 1918 to c...

Ngày tải lên: 13/12/2013, 05:15