Tag Archives: ham radio

Amateur Extra Lesson 10.3, VHF/UHF/Microwave Propagation, 11th Edition

Here’s your video introduction to Section 10.3, “VHF/UHF/Microwave Propagation,” from the 11th Edition of the ARRL Extra Class License Manual for Ham Radio. You can find a complete list of the Amateur Extra videos by clicking here, or click here … Continue reading

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Amateur Extra Class Lesson 10.2, HF Propagation, 11th Edition

Here’s your video introduction to Section 10.2, “HF Propagation,” from the 11th Edition of the ARRL Extra Class License Manual for Ham Radio. You can find a complete list of the Amateur Extra videos by clicking here, or click here … Continue reading

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Amateur Lesson 7.3, “Receiver Performance,” 11th Edition

Here’s your video introduction to Section 7.3, “Receiver Performance,” in the ARRL Extra Class License Manual for Ham Radio, 11th Edition. You can find a complete list of the Amateur Extra videos by clicking here, or click here to go … Continue reading

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Amateur Extra Lesson 6.1, Amplifiers, 11th Edition

Here’s your video introduction to Section 6.1, Amplifiers, in the 11th Edition of the ARRL Extra Class License Manual for Ham Radio. Topics discussed include discrete device amplifiers, op amp amplifiers, classes of operation, distortion and intermodulation, and instability and … Continue reading

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Amateur Extra Lesson 5.4, Optoelectronics, 11th Edition

Here’s your video introduction to Section 5.4, Optoelectronics, from the 11th Edition of the ARRL Extra Class License Manual for Ham Radio. It covers photoconductivity, optoelectronic components, and photovoltaic cells. You can find a complete list of the Amateur Extra … Continue reading

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Amateur Extra Lesson 5.2, Display Devices, 11th Edition

Here’s your video introduction to Section 5.2, “Display Devices,” in the 11th Edition of the ARRL Extra Class License Manual for Ham Radio. Topics covered include light-emitting diodes, liquid-crystal displays, and charge-coupled devices. Note that the old manual had material … Continue reading

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Amateur Extra Lesson 5.1, “Semiconductor Devices,” 11th Edition

Amateur Extra Lesson 5.1, “Semiconductor Devices,” in the 11th Edition of the ARRL Extra Class License Manual for Ham Radio. The section covers semiconductor materials, diodes, bipolar transistors, field effect transistors, and RF integrated devices. You can find a complete … Continue reading

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Amateur Extra Class Lesson 4.3, Part 2, Principles of Circuits, 11th Edition

Here’s Part 2 of your video introduction to Section 4.3, “Principles of Circuits,” from the ARRL Extra Class License Manual for Ham Radio. This section discusses resonance, Q (quality factor), Properties of components at RF and Microwave frequencies, and magnetic … Continue reading

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Amateur Extra Lesson 4.3, Part 1, Principles of Circuits, 11th Edition

Here’s your video introduction to Section 4.3, “Principles of Circuits,” in the 11th Edition of the ARRL Extra Class License Manual for Ham Radio. Part 1 covers RC and RL time constants, phase angle, complex impedance, and reactive power and … Continue reading

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Amateur Extra Lesson 4.1, Radio Mathematics, 11th Edition

Here’s your video introduction to Section 4.1, “Radio Mathematics,” in the 11th edition of the ARRL Extra Class License Manual for Ham Radio. This section delves into rectangular and polar coordinates, and complex coordinates. The material in this section lays … Continue reading

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