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Tag Archives: ham radio
Log Stamp Images
In Ask Dave 18, I showed a rubber stamp that I use to create an entry in an ordinary notebook for logging. Gwen Patton, N3GP, has recreated the image of the log stamp for anyone who’d like to recreate the … Continue reading
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
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
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
Posted in Amateur Extra Class License Training, Ham Radio blog entries, Video
Tagged ham radio, receiver performance
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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
Posted in Amateur Extra Class License Training, Ham Radio blog entries, Video
Tagged amateur radio, amplifier class, amplifiers, ARRL, distortion, ham radio, intermod, intermodulation, op amps, parasitic oscillation
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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
Posted in Amateur Extra Class License Training, Ham Radio blog entries, Video
Tagged amateur extra class license, amateur radio, ARRL, ham radio, optoelectronics components, photoconductivity, photovoltaic cells
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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
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
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
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
Posted in Amateur Extra Class License Training, Ham Radio blog entries, Video
Tagged amateur extra class license, amateur radio, complex impedance, ham radio, phase angle, power factor, reactive power, time constants
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