807 (vacuum tube) - significado y definición. Qué es 807 (vacuum tube)
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Qué (quién) es 807 (vacuum tube) - definición


807 (vacuum tube)         
POWER BEAM TETRODE, MADE WORLDWIDE UNDER DOZENS OF ALTERNATIVE NAMES
807/ATS25
The 807 is a beam tetrode vacuum tube, widely used in audio- and radio-frequency power amplifier applications.
firebottle         
  • Voltage-regulator tube in operation. Low-pressure gas within tube glows due to current flow.
  • 11 mm diameter}}
  • Metal-cased tubes with octal bases
  • Whirlwind]]
  • Tube tester manufactured in 1930.
  • 10 mm diameter}} (excluding leads)
  • Batteries for a vacuum-tube circuit. The C battery is highlighted.
  • 150 kW}} of power
  • One of Edison's experimental bulbs
  • Beam power tube designed for radio frequency use.  The tube plugs in to a socket that creates an air-tight seal around the outer periphery.  A blower and duct work in the chassis force air through the tube's fins to carry away heat.  This type of tube is sometimes referred to as a “doorknob” tube, owing to its shape and size.
  • Fleming's first diodes
  • Vacuum tubes seen on end in a recreation of the World War II-era [[Colossus computer]] at [[Bletchley Park]], England
  • Triode tube type GS-9B; designed for use at radio frequencies up to 2000 MHz and rated for 300 watts anode power dissipation.<ref>[https://web.archive.org/web/20210225190032/http://www.gstube.com/data/1450/ GS-9B Oscillator Ultra-High Frequency Triode] Archived 25 Feb. 2021</ref> The finned heat sink provides conduction of heat from anode to air stream.
  • General Electric Company Pliotron, [[Science History Institute]]
  • Getter in opened tube; silvery deposit from getter
  • The pentagrid converter contains five grids between the cathode and the plate (anode)
  • u=W}} of heat
  • Dead vacuum fluorescent display (air has leaked in and the getter spot has become white)
  • 70-watt tube-hybrid audio amplifier
  • Audio power amplifier using tubes, in operation. Red-orange glow is from heated filaments.
  • The useful region of operation of the screen grid tube (tetrode) as an amplifier is limited to anode potentials in the straight portions of the characteristic curves greater than the screen grid potential.
  • Tetrode symbol. From top to bottom: plate (anode), screen grid, control grid, cathode, heater (filament).
  • Triode symbol. From top to bottom: plate (anode), control grid, cathode, heater (filament)
  • Typical Triode Plate Characteristics
  • The first triode, the de Forest [[Audion]], invented in 1906
  • Triodes as they evolved over 40 years of tube manufacture, from the RE16 in 1918 to a 1960s era miniature tube
  • Universal vacuum tube tester
  • Commercial packaging for vacuum tubes used in the latter half of the 20th century including boxes for individual tubes (bottom right), sleeves for rows of the boxes (left), and bags that smaller tubes would be put in by a store upon purchase (top right)
  • 20.4 mm}} in diameter.
  • Radio station signal generator with vacuum tubes
DEVICE THAT CONTROLS ELECTRIC CURRENT BETWEEN ELECTRODES IN AN EVACUATED CONTAINER
Vaccuum tube; Vacuum tubes; Radio tube triode; Thermionic device; Vacuum Tubes; Integrated circuit vacuum tube; Integrated vacuum tube; Field emitter vacuum tube; Thermionic valves; Firefet; Thermionic tube; Vacuum Tube; Vacuum diode; Vacuum Diode; Vaccum tube; Radio valve; 12SK7; 5U4; Electronic tube; Electrical valve; Vacuum tube types; Vacuum tube (electronics); Microtriode; Radio tube; 12AU6; 6AU6; Vacuum-tube; Miniature valve; Microtube (electronics); Microtube (Electronics); Electron valve; Vacumn tube; Thoriated tungsten; Acorn Valve; Acorn valve; Cheater cord; Thermionic valve; Valve (electronics); Vacuum tube circuit; Firebottle; Electron device; Battery valve; Indirectly heated cathode; Vacuum-tube electronics
vacuum tube         
  • Voltage-regulator tube in operation. Low-pressure gas within tube glows due to current flow.
  • 11 mm diameter}}
  • Metal-cased tubes with octal bases
  • Whirlwind]]
  • Tube tester manufactured in 1930.
  • 10 mm diameter}} (excluding leads)
  • Batteries for a vacuum-tube circuit. The C battery is highlighted.
  • 150 kW}} of power
  • One of Edison's experimental bulbs
  • Beam power tube designed for radio frequency use.  The tube plugs in to a socket that creates an air-tight seal around the outer periphery.  A blower and duct work in the chassis force air through the tube's fins to carry away heat.  This type of tube is sometimes referred to as a “doorknob” tube, owing to its shape and size.
  • Fleming's first diodes
  • Vacuum tubes seen on end in a recreation of the World War II-era [[Colossus computer]] at [[Bletchley Park]], England
  • Triode tube type GS-9B; designed for use at radio frequencies up to 2000 MHz and rated for 300 watts anode power dissipation.<ref>[https://web.archive.org/web/20210225190032/http://www.gstube.com/data/1450/ GS-9B Oscillator Ultra-High Frequency Triode] Archived 25 Feb. 2021</ref> The finned heat sink provides conduction of heat from anode to air stream.
  • General Electric Company Pliotron, [[Science History Institute]]
  • Getter in opened tube; silvery deposit from getter
  • The pentagrid converter contains five grids between the cathode and the plate (anode)
  • u=W}} of heat
  • Dead vacuum fluorescent display (air has leaked in and the getter spot has become white)
  • 70-watt tube-hybrid audio amplifier
  • Audio power amplifier using tubes, in operation. Red-orange glow is from heated filaments.
  • The useful region of operation of the screen grid tube (tetrode) as an amplifier is limited to anode potentials in the straight portions of the characteristic curves greater than the screen grid potential.
  • Tetrode symbol. From top to bottom: plate (anode), screen grid, control grid, cathode, heater (filament).
  • Triode symbol. From top to bottom: plate (anode), control grid, cathode, heater (filament)
  • Typical Triode Plate Characteristics
  • The first triode, the de Forest [[Audion]], invented in 1906
  • Triodes as they evolved over 40 years of tube manufacture, from the RE16 in 1918 to a 1960s era miniature tube
  • Universal vacuum tube tester
  • Commercial packaging for vacuum tubes used in the latter half of the 20th century including boxes for individual tubes (bottom right), sleeves for rows of the boxes (left), and bags that smaller tubes would be put in by a store upon purchase (top right)
  • 20.4 mm}} in diameter.
  • Radio station signal generator with vacuum tubes
DEVICE THAT CONTROLS ELECTRIC CURRENT BETWEEN ELECTRODES IN AN EVACUATED CONTAINER
Vaccuum tube; Vacuum tubes; Radio tube triode; Thermionic device; Vacuum Tubes; Integrated circuit vacuum tube; Integrated vacuum tube; Field emitter vacuum tube; Thermionic valves; Firefet; Thermionic tube; Vacuum Tube; Vacuum diode; Vacuum Diode; Vaccum tube; Radio valve; 12SK7; 5U4; Electronic tube; Electrical valve; Vacuum tube types; Vacuum tube (electronics); Microtriode; Radio tube; 12AU6; 6AU6; Vacuum-tube; Miniature valve; Microtube (electronics); Microtube (Electronics); Electron valve; Vacumn tube; Thoriated tungsten; Acorn Valve; Acorn valve; Cheater cord; Thermionic valve; Valve (electronics); Vacuum tube circuit; Firebottle; Electron device; Battery valve; Indirectly heated cathode; Vacuum-tube electronics

Wikipedia

807 (vacuum tube)
The 807 is a beam tetrode vacuum tube, widely used in audio- and radio-frequency power amplifier applications.