Education 13.12 Tubes versus Semiconductors adminJan 28, 2020 Devoting a whole chapter in a modern electronics text to the design and function of electron tubes may seem a bit...
Education 13.11 Microwave Tubes adminJan 28, 2020 For extremely high-frequency applications (above 1 GHz), the interelectrode capacitances and transit-time delays of...
Education 13.10 Display Tubes adminJan 28, 2020 In addition to performing tasks of amplification and switching, tubes can be designed to serve as display...
Education 13.9 Ionization (gas-filled) Tubes adminJan 28, 2020 So far, we’ve explored tubes which are totally “evacuated” of all gas and vapor inside their glass envelopes,...
Education 13.8 Tube Parameters adminJan 28, 2020 For bipolar junction transistors, the fundamental measure of amplification is the Beta ratio (β), defined as the ratio...
Education 13.7 Combination Tubes adminJan 28, 2020 Similar in thought to the idea of the integrated circuit, tube designers tried integrating different tube functions...
Education 13.6 The Pentode adminJan 28, 2020 Another strategy for addressing the problem of secondary electrons being attracted by the screen was the addition of a...
Education 13.5 Beam Power Tubes adminJan 28, 2020 In the beam power tube, the basic four-element structure of the tetrode was maintained, but the grid and screen wires...
Education 13.4 The Tetrode adminJan 28, 2020 As the name suggests, the tetrode tube contains four elements: cathode (with the implicit filament, or “heater”),...
Education 13.3 The Triode adminJan 28, 2020 De Forest’s Audion tube came to be known as the triode tube because it had three elements: filament, grid, and plate...
Education 13.2 Early Tube History adminJan 28, 2020 Thomas Edison, that prolific American inventor, is often credited with the invention of the incandescent lamp. More...
Education 13.1 Introduction to Electron Tubes adminJan 28, 2020 An often neglected area of study in modern electronics is that of tubes, more precisely known as vacuum tubes or...