From the Trade Mags – 3/27/12

Three more articles from the electronics engineering trade magazines that ham radio operators will find interesting and useful:

  1. Understanding Modern Digital Modulation Techniques. Want to understand what’s happening when you operate PSK-31 and some of the other digital modes? Read this article.
  2. Understanding CTCSS from A to Z. This short article does a nice job of describing CTCSS, which stands for Continuous Tone Coded Squelch System. It includes a table of all the standard tone frequencies.
  3. Understanding Amplifier Operating Classes. A nice review of amplifier classes from A to H. I didn’t know that we were up to Class H already.

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