The Armstrong oscillator (also known as the Meissner oscillator) is an electronic oscillator circuit which uses an inductor and capacitor to generate an...

An electronic oscillator is an electronic circuit that produces a periodic, oscillating or alternating current (AC) signal, usually a sine wave, square...

Edwin Howard Armstrong (December 18, 1890 – February 1, 1954) was an American electrical engineer and inventor who developed FM (frequency modulation)...

current Armstrong (or Tickler or Meissner) oscillator Astable multivibrator Blocking oscillator Butler oscillator Clapp oscillator Colpitts oscillator Delay-line...

such harmonic oscillators, including the Armstrong oscillator, Hartley oscillator, Colpitts oscillator, and the Wien bridge oscillator. They all use positive...

oscillator. US Patent 2745012, filed in 1951, "Transistor blocking oscillators", describes three versions of a transistor based blocking oscillator....

the time, one could set up an oscillator at, for example, 1560 kHz. Armstrong referred to this as the "local oscillator" or LO. As its signal was being...

voice. Until the invention of vacuum-tube (valve) oscillators in 1913 such as the Armstrong oscillator, the Alexanderson alternator was an important high-power...

loss – Apollo Guidance Computer – Arithmetic and logical unit – Armstrong oscillator – ARRL – Articulation score – Astable – Asymmetric Digital Subscriber...

Aristotle's lantern – Aristotle Armstrong limit or Armstrong's line – Harry George Armstrong Armstrong oscillator – Edwin Armstrong Arndt–Eistert synthesis –...

electronics, the dynatron oscillator, invented in 1918 by Albert Hull at General Electric, is an obsolete vacuum tube electronic oscillator circuit which uses...

Edwin Armstrong's superheterodyne receiver, the Homodyne or direct-conversion receiver. In the homodyne or synchrodyne system, a local oscillator was tuned...

band amplifier Armstrong oscillator is circuit using the parasitics of a single transistor for a high frequency narrow band oscillator W. S. Percival...

the quench frequency, assuming the quenching oscillator produces an ideal sine wave. US 1113149, Armstrong, E. H., "Wireless receiving system", published...

tube transmitters in the 1920s, which used the feedback oscillator invented by Edwin Armstrong and Alexander Meissner around 1912, based on the Audion...

Armstrong oscillator "Operating Features of the Audion" by E. H. Armstrong, Electrical World, December 12, 1914, pages 1149-1152. Edwin H. Armstrong,...

independently of Edwin Armstrong, and by applying positive feedback to vacuum tube amplifiers, Meissner co-invented the electronic oscillator, which became the...

intermediate frequency is created by mixing the carrier signal with a local oscillator signal in a process called heterodyning, resulting in a signal at the...

resistance oscillator as described below. The common Gunn diode oscillator (circuit diagrams) illustrates how negative resistance oscillators work. The...

in 1913 of the first practical electronic oscillator, the vacuum tube feedback oscillator by Edwin Armstrong. After this time BFOs were a standard part...

1918, Edwin Armstrong used only triodes when he invented the superheterodyne receiver. One triode operated in a conventional oscillator circuit. Another...

conductively or inductively depending on whether the oscillator is a Colpitts, Hartley oscillator, Armstrong tickler or a Meissner. Power control for the system...

other oscillators, but it is very simple and effective. This oscillator was so popular that it was used from the early 1950s until today. Two oscillator amplifiers...

but were achieved with the vacuum tube electronic oscillator, invented around 1913 by Edwin Armstrong and Alexander Meissner. After World War I, transmitters...

waves; his spark oscillator (in box, right) generated 60 GHz (5 mm) waves using 3 mm metal ball resonators. 3 mm spark ball oscillator Bose used to generate...

provide the switching action required. A Tesla coil is a radio frequency oscillator that drives an air-core double-tuned resonant transformer to produce high...

It is a contraction of self-quenching. A squegging or self-blocking oscillator produces an intermittent or changing output signal. Squegging is an oscillation...

could produce intelligible output from a receiver. When the autodyne oscillator was advanced to self-oscillation, continuous wave Morse code dots and...

superseded by the vacuum tube feedback electronic oscillator, invented in 1912 by Edwin Armstrong and Alexander Meissner, which used the triode vacuum...

watts to megawatts. TWTs are widely used as the power amplifiers and oscillators in radar systems, communication satellite and spacecraft transmitters...