In week 13, I doing some discussion with my supervisor that the things I'm need to do for the Engineers day in next weeks. I'm have to prepare the poster and slide that will be used when the assessor to evaluate my project on Engineers day. For S112, the assessment (Demo Day) will start on 24 Apr, 2012 from 2pm to 5pm.
Picture below show the example of my poster:
Picture 1: My poster for Engineers day
I'm continues doing the troubleshoot on circuit Class D audio amplifier to make it's become fully function. The picture below show the circuit For Class D audio amplifier:
Figure 22: The circuit for Class D audio amplifier
I'm also doing the research between topology comparison (linear vs. Class D). The primary and main difference between linear and Class D amplifiers the efficiency. This is the whole reason for the invention of Class D amplifiers. The linear amplifiers is also very inefficient at about 50% typically for a Class AB amplifier, whereas a Class D amplifier is more efficient, with values in the order of 90% in practical designs.
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