6. Procedure
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- 2012.11.27
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연세대학교 전기전자기초실험 final 래포트입니다. 누구한테 준 적 없는 자료이구요 ~ A0 받았습니다 ~~
목차
6. Procedure
6-1. junction diod
6-2. characteristics of zener diode
6-3. LED and rectifier circuit
본문내용
①What are the other applications of diode in electrical devices.
-Half wave rectifier
The signal is exactly the top half of the input voltage signal, and for an ideal diode does not depend at all on the size of the load resistor. The rectified signal is now a combination of an AC signal and a DC component. Generally, it is the DC part of a rectified signal that is of interest, and the un-welcomed AC component is described as ripple. It is desirable to move the ripple to high frequencies where it is easier to remove by a low-pass filter.
-Clamp
When a signal drives an open-ended capacitor the average voltage level on the output terminal of the capacitor is determined by the initial charge on that terminal and may therefore be quite unpredictable. Thus it is necessary to connect the output to ground or some other reference voltage via a large resistor. This action drains any excess charge and results in an average or DC output voltage of zero.
-Clippers/Limiters
A diode clipping circuit can be used to limit the voltage swing of a signal. A diode circuit that clips both the positive and negative voltage swings to references voltages.
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