UNIT 7
Electronic Devices and Communication Applications
SUMMARY
The unit will provide you with a fascinating world of electronics. Before we look at the signals that convey information in electronic circuits we will introduce you to some of the units that are used when measuring electrical quantities, such as current, voltage and frequency. You will learn about the difference between analogue and digital signals and how to recognise signals from the shape of their waveforms.
Being able to ‘read’ and interpret a circuit diagram or ‘schematic’ is an essential skill required of every electronic technician and engineer. Many different parts and devices are used in electronic circuits and it is important that you should be able to recognise them, ...
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