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Vacuum tubes

Vacuum tubes, also known as thermionic valves or electron tubes, are electronic components that control the flow of electric current in a vacuum. They consist of a sealed glass or metal tube from which most of the air has been removed, creating a vacuum. Inside the tube, there are typically at least two electrodes: a cathode and an anode.

Table of contents 9k 141
- Gas-filled tubes Vacuum tubes 57
- Guitar amplification tubes Vacuum tubes 64
- Neon lighting Vacuum tubes 70
- Vacuum tube displays Vacuum tubes 72
- Valve amplifiers Vacuum tubes 75
- 12AT7 Vacuum tubes 57
- 12AU7 Vacuum tubes 69
- 12AX7 Vacuum tubes 63
- 12BV7 Vacuum tubes 61
- 1L6 Vacuum tubes 70
- 25L6 Vacuum tubes 61
- 300B Vacuum tubes 44
- 4-1000A Vacuum tubes 27
- 5751 Vacuum tubes 41
- 5Y3 Vacuum tubes 54
- 6AK5 Vacuum tubes 53
- 6AQ5 Vacuum tubes 45
- 6DJ8 Vacuum tubes 66
- 6GH8 Vacuum tubes 59
- 6L6 Vacuum tubes 54
- 6N14P Vacuum tubes 52
- 6N1P Vacuum tubes 70
- 6N24P Vacuum tubes 54
- 6N2P Vacuum tubes 57
- 6N3P Vacuum tubes 61
- 6P1P Vacuum tubes 63
- 6SN7 Vacuum tubes 46
- 6V6 Vacuum tubes 52
- 7AK7 Vacuum tubes 56
- 807 (vacuum tube) Vacuum tubes 65
- 833A Vacuum tubes 61
- 845 (vacuum tube) Vacuum tubes 61
- 866A Vacuum tubes 59
- 8974 Vacuum tubes 32
- 955 acorn triode Vacuum tubes 71
- Acorn tube Vacuum tubes 58
- Amperex Electronic Vacuum tubes 73
- Aquadag Vacuum tubes 70
- Audion Vacuum tubes 65
- Backward-wave oscillator Vacuum tubes 71
- Barkhausen–Kurz tube Vacuum tubes 75
- Beam deflection tube Vacuum tubes 60
- Beam tetrode Vacuum tubes 59
- Biasing Vacuum tubes 70
- British Valve Association Vacuum tubes 57
- Cathode bias Vacuum tubes 72
- Cavity magnetron Vacuum tubes 64
- Compactron Vacuum tubes 69
- Control grid Vacuum tubes 64
- Direct-view bistable storage tube Vacuum tubes 50
- Double diode triode Vacuum tubes 75
- EF50 Vacuum tubes 54
- EF86 Vacuum tubes 52
- EL34 Vacuum tubes 52
- EL84 Vacuum tubes 54
- Edison and Swan Electric Light Company Vacuum tubes 41
- Ei Niš Vacuum tubes 65
- Eimac Vacuum tubes 56
- Electron-stimulated luminescence Vacuum tubes 67
- Electron gun Vacuum tubes 72
- Evacuation tip Vacuum tubes 59
- Extended interaction oscillator Vacuum tubes 77
- Field emission gun Vacuum tubes 80
- Field emitter array Vacuum tubes 66
- Fleming valve Vacuum tubes 53
- GU-50 Vacuum tubes 71
- Getter Vacuum tubes 72
- Glowing plate Vacuum tubes 76
- Grid-leak detector Vacuum tubes 78
- Grid dip oscillator Vacuum tubes 64
- Gyrotron Vacuum tubes 54
- HT (vacuum tube) Vacuum tubes 66
- Hot cathode Vacuum tubes 52
- Image intensifier Vacuum tubes 70
- Inductive output tube Vacuum tubes 76
- JJ Electronic Vacuum tubes 65
- KT66 Vacuum tubes 53
- KT88 Vacuum tubes 53
- KT90 Vacuum tubes 72
- Klystron Vacuum tubes 57
- Krytron Vacuum tubes 72
- La Compagnie des Lampes Vacuum tubes 76
- List of Mullard–Philips vacuum tubes Vacuum tubes 59
- List of vacuum-tube computers Vacuum tubes 67
- List of vacuum tubes Vacuum tubes 70
- Loewe 3NF Vacuum tubes 56
- Machlett Laboratories Vacuum tubes 72
- Micropup Vacuum tubes 64
- Monoscope Vacuum tubes 77
- Mullard Vacuum tubes 74
- Mullard 5-10 Vacuum tubes 61
- Mullard–Philips tube designation Vacuum tubes 66
- Nanoscale vacuum-channel transistor Vacuum tubes 57
- Nonode Vacuum tubes 53
- Nuvistor Vacuum tubes 67
- Output transformerless Vacuum tubes 59
- Pentagrid converter Vacuum tubes 76
- Pentode Vacuum tubes 61
- Phantastron Vacuum tubes 65
- Philips Vacuum tubes 66
- Photomultiplier tube Vacuum tubes 50
- Phototube Vacuum tubes 46
- Plate detector (radio) Vacuum tubes 53
- Plate electrode Vacuum tubes 70
- RCA Vacuum tubes 68
- RETMA tube designation Vacuum tubes 59
- RMA tube designation Vacuum tubes 82
- Raytheon Vacuum tubes 61
- Russian tube designations Vacuum tubes 57
- SY4307A Vacuum tubes 73
- Secondary emission Vacuum tubes 69
- Selectron tube Vacuum tubes 82
- Sovtek Vacuum tubes 74
- Space charge Vacuum tubes 76
- Suppressor grid Vacuum tubes 63
- Sutton tube Vacuum tubes 38
- Svetlana (company) Vacuum tubes 80
- Sylvania Electric Products Vacuum tubes 80
- TM (triode) Vacuum tubes 63
- Tetrode Vacuum tubes 63
- Thermionic emission Vacuum tubes 84
- Top cap Vacuum tubes 65
- Traveling-wave tube Vacuum tubes 58
- Triode Vacuum tubes 66
- Triple-twin Vacuum tubes 62
- Tube caddy Vacuum tubes 65
- Tube socket Vacuum tubes 80
- Tube sound Vacuum tubes 54
- Tube tester Vacuum tubes 73
- Twystron Vacuum tubes 51
- Ultra-linear Vacuum tubes 69
- Vacuum tube battery Vacuum tubes 61
- Valve audio amplifier Vacuum tubes 52
- Video camera tube Vacuum tubes 51
- Vintage amateur radio Vacuum tubes 64
- Vircator Vacuum tubes 75
- Voltage reference Vacuum tubes 55
- WD-11 Vacuum tubes 62
- Wehnelt cylinder Vacuum tubes 54
- Williamson amplifier Vacuum tubes 69
- Wunderlich (vacuum tube) Vacuum tubes 47

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