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Understanding of Rhetoric: Recent News Fujitsu's innovative GaN HEMT-based power amplifier will make high-powered wireless communications likely in localities in which it is unfeasible to lay optical fiber rotated cords, in supplement to do...
active element is to magnify an input signal to yield a significantly larger output signal. The amount of magnification (the "forward gain") is determined by the external circuit design as well as the active device. Many common active devic...
of the electrical potential generated by electrical activity in cardiac tissue. Current flow, in the form of ions, signals contraction of cardiac muscle fibers leading to the heart’s pumping action. The ECG is a valuable, non–invasive diagn...
Optical Communication system can be improved by the use of EDFAs as an Optical Amplifier. Erbium doped fibre amplifier (EDFA) is an important element in DWDM networks. We can achieve a flat gain spectrum by modelling the dynamic characteris...
electric guitar, but with a larger body, a longer neck and scale length, with four, sometimes five, or six strings tuned to the same pitches as those of the double bass, which correspond to pitches one octave lower than those of the four lo...
Introduction Surveillance Camera in a society is a system of cameras placed in society for the monitor. Images obtained with this system then viewed and archived. Advocates say such a system helps prevent crime (theft, assault, etc.), and o...
voltage-controlled oscillator (VCO) produces a periodic time-varying output signal the frequency of which is controlled by the voltage level of an input signal. VCOs are widely used in circuits such as phase-locked loops to provide controll...