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<p>and <a href="page.php?w=Walter_Brattain">Walter Brattain</a>.</p>

<p><big> Specialist areas </big></p>
<p>Electronics engineering has many subfields. This section describes some of the most popular.</p>

<p><b>Electronic signal processing</b> deals with the analysis and manipulation of <a href="page.php?w=signals">signals</a>. Signals can be either <a href="page.php?w=analog_signal">analog</a>, in which case the signal varies continuously according to the information, or <a href="page.php?w=Digital_signal_%28electronics%29">digital</a>, in which case</p><p>
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