March 2006
Intermediate to advanced
960 pages
25h 28m
English
All electronic devices require external dc voltage to bring them from inactive state to active state. The ac voltage available in India is 230 V, 50 Hz. Hence, the dc is obtained from this 230 V ac by converting the ac to dc. The process of conversion from ac to dc is called rectification and the circuit that converts it is known as rectifier. The rectifier family is shown in Fig. 4.1.
Figure 4.1 Rectifier family
A circuit of half-wave rectifier is depicted in Fig. 4.2. A diode conducts only when the plate is positive w.r.t. the cathode. The plate in Fig. 4.2 will become positive ...
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