- A
vacuum tube,
electron tube,
thermionic valve (British usage), or
tube (North America) is a
device that
controls electric current flow in a high vacuum...
- This is a list of
vacuum tubes or
thermionic valves, and low-pressure gas-filled
tubes, or
discharge tubes.
Before the
advent of
semiconductor devices...
- 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...
- from the
original on 2
January 2014. Poole, Ian (2012). "
Vacuum tube electrodes".
Vacuum Tube Theory Basics Tutorial. Radio-Electronics.com,
Adrio Communications...
-
other vacuum-
tube oscillators.
Vacuum-
tube feedback oscillators became the
basis of
radio transmission by 1920. However, the
triode vacuum tube oscillator...
- In the
early days of electronics,
devices that used
vacuum tubes (called
valves in
British contexts), such as radios, were
powered by batteries. Each battery...
- An X-ray
tube is a
vacuum tube that
converts electrical input power into X-rays. The
availability of this
controllable source of X-rays
created the field...
- A
vacuum (pl.:
vacuums or vacua) is
space devoid of matter. The word is
derived from the
Latin adjective vacuus (neuter
vacuum)
meaning "vacant" or "void"...
- The 807 is a beam
tetrode vacuum tube,
widely used in audio- and radio-frequency
power amplifier applications. 807s were used in
audio power amplifiers...
- A
triode is an
electronic amplifying vacuum tube (or
thermionic valve in
British English)
consisting of
three electrodes inside an
evacuated gl**** envelope:...
