Chapter 4: Components and Circuits
Part of becoming a General Class ham is learning more about electronics and radio so that you can take advantage of all those new privileges! You’ll find ham radio a lot more fun and you’ll feel much more confident with some radio “know-how” and that’s the focus of Section 4.
- Check out these online resources to review math concepts important to General Class license preparation. Math Tutorials and Articles
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- Scientific Notation
- Untangling the Decibel Dilemma
- Metric System
- Calculator Tutorials - Univ of Colorado-Colorado Springs
- AC Waveforms and Measurements Review
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- ARRL Schematic Symbols
- How to Read Circuit Diagrams, Part I - this may be old, but it's accurate!
- How to Read Circuit Diagrams, Part II
- Color Codes - learn how to read the value of electronic components by their colored markings
- Photovoltaics - how to convert light to power
- Vacuum Tubes - the complete Wikipedia entry on this oldest of all active electronic components
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- ARRL Certification and Continuing Education Courses - the ARRL offers mentored on-line courses on a number of topics
- QST Hands-On Radio - a monthly column explaining some aspect of radio electronics (members only)
- ARRL's Hands-On Radio Experiments - Volume 1/2
- ARRL's Hands-On Radio Experiments - Volume 3
- Tutorials by VK2TIP - tutorials on semiconductors and electronics
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- ARRL Antenna Book - a comprehensive guide to antennas including projects, design methods, and the theory behind antennas and transmission lines
- ARRL Handbook - the oldest and best radio handbook around
- ARRL Technical Information Service (TIS) - numerous Web resources and magazine articles on technical topics of interest to all hams
- Microwaves 101
- RF Cafe
- Understanding Basic Electronics - introduction to the electronics of radio
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