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1
vacuum tube
vacuum tube 1. An evacuated tube or pipe, esp. one along which vehicles or other objects can be propelled by allowing air to enter behind them.1784 in Pall Mall Mag. (1896) Aug. 586 Grand Vacuum Tube Company. Direct to Bengal. 1846 Patent Jrnl. 4 July 90/1 Fig. 1 is a..section of a railway carriage ... Oxford English Dictionary
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Vacuum Tube Valley
2 days ago — Silicon Valley's first high-tech enterprise, Federal Telegraph Co., provided communications for naval ships and radio stations at far-flung ...
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Reshoring Vacuum Tube Manufacturing, One Tube At A Time
Apr 5, 2023A matched pair of tubes in a cherry wood presentation case will set you back about $1,500, so they're not for everyone. But it seems like the company is using the premium tubes to bankroll the ...
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10 Jaw-Dropping Vacuum Tube Headphone Amplifiers
Two front panel 1/4″ headphone jacks. Headphone impedance switchable between 30-400 Ohms and 300-4000 Ohms. 2 x 300B Electro-Harmonix output tubes, 2 x 6SL7 Sovtek input tubes, 2 x 5AR4 Ruby rectifier tubes, 2 x OD3 regulator tubes. Frequency Response: 5 Hz to 50 KHz 1dB. Output Power (100 Ohm Headphones): 1W (10 V RMS)
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The History and Importance of the Vacuum Tube - ThoughtCo
In 1922, Philo T. Farnsworth develops the first tube scanning system for television. In 1923, Vladimir K Zworykin invented the iconoscope or the cathode-ray tube and the kinescope. In 1926, Hull and Williams co-invented the tetrode electronic vacuum tube. In 1938, Americans Russell and Sigurd Varian co-invented the klystron tube.
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TubeDepot.com | TubeCube | 7 Stereo Vacuum Tube Amplifier
The TubeCube | 7 Stereo Vacuum Tube Amplifier is a great sounding, slick looking amp at an affordable price. Not really a kit, this envy-inducing machine boasts a power output of 3.5W+3.5W at 8 ohms which is perfect for a desktop audio amplifier. The TubeCube | 7 comes fully assembled and ready to
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vacuum tube
vacuum tube(US) (Brit radio valve), sealed glass tube with an almost perfect vacuum to enable an electriccharge to pass through, formerly used in radios, televisions,etc 真空管; 电子管. 牛津英汉双解词典
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807 (vacuum tube)
The 807 is a beam tetrode vacuum tube, widely used in audio- and radio-frequency power amplifier applications. See also KT66 KT88 6L6 6CA7 / EL34 6V6 SY4307A References Vacuum tubes wikipedia.org
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Meet The Magic Eye Vacuum Tube | Hackaday
From Wikipedia: A magic eye tube is a miniature cathode ray tube, usually with a built-in triode signal amplifier. It usually glows bright green, (occasionally yellow in some very old types, e.g ...
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845 (vacuum tube)
The 845 power triode is a radio transmitting vacuum tube which can also be used as an audio amplifier and modulation tube. It saw extensive use in RCA AM radio transmitters External links 845 @ The National Valve Museum KRLA Broadcast History Vacuum tubes wikipedia.org
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HT (vacuum tube)
In vacuum tube technology, HT or high tension describes the main power supply to the circuit, which produces the current between anode and cathode. Other power supplies to vacuum tube circuits include: LT, low tension or A battery, the supply to the filaments or heaters. wikipedia.org
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Wunderlich (vacuum tube)
The tube is named for its inventor, Norman Wunderlich. Structure The Wunderlich tube is a twin medium-mu triode. Vacuum Tubes Inc. article about Wunderlich tubes. Analog circuits Radio technology Vacuum tubes wikipedia.org
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Vacuum tube - Wikipedia
A vacuum tube, electron tube, [1] [2] [3] valve (British usage), or tube (North America), [4] is a device that controls electric current flow in a high vacuum between electrodes to which an electric potential difference has been applied. The type known as a thermionic tube or thermionic valve utilizes thermionic emission of electrons from a hot ...
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Vacuum-tube computer - Wikipedia
A vacuum-tube computer, now termed a first-generation computer, is a computer that uses vacuum tubes for logic circuitry. While the history of mechanical aids to computation goes back centuries, if not millennia, the history of vacuum tube computers is confined to the middle of the 20th century. Lee De Forest invented the triode in 1906.
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JB/T 8844.2-1999 English Version, JB/T 8844.2-1999 Vacuum Tube Alarm ...
JB/T 8844.2-1999 English Version - JB/T 8844.2-1999 Vacuum Tube Alarm for Internal-combustion Engine - Test Method (English Version): JB/T 8844.2-1999, JB 8844.2-1999 ...
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