November 2007
Intermediate to advanced
736 pages
46h 32m
English
Content preview from Consumer Electronics
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TRANSISTOR SHUNT STABILISER
An improvement over the diode shunt stabiliser can be obtained with a transistor circuit as shown in Fig. 21.4. A transistor is connected across the supply, with its base electrode fed through a zener diode. The input voltage and base resistance are again set so that the zener diode is biased into the breakdown region. If the input voltage increases, the zener diode passes more current, which increases the base current of the transistor and causes a much larger current to flow down through the transistor. This increase of transistor current results in an increased voltage drop across the series resistance, RS, so that the output voltage is maintained almost at its original value.
Fig. 21.4 Transistor shunt ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.