Johnson–Nyquist noise (thermal noise, Johnson noise, or Nyquist noise) is the electronic noise generated by the thermal agitation of the charge carriers...
33 KB (3,779 words) - 03:57, 17 October 2024
noise coming from many natural sources, such as the thermal vibrations of atoms in conductors (referred to as thermal noise or Johnson–Nyquist noise)...
4 KB (409 words) - 22:28, 27 October 2024
at Bell Laboratories, Nyquist did important work on thermal noise ("Johnson–Nyquist noise"), the stability of feedback amplifiers, telegraphy, facsimile...
9 KB (862 words) - 10:00, 4 September 2024
shot noise is often less significant as compared with two other noise sources in electronic circuits, flicker noise and Johnson–Nyquist noise. However...
20 KB (2,942 words) - 22:45, 31 March 2024
noise comes from many natural noise sources, such as the thermal vibrations of atoms in conductors (referred to as thermal noise or Johnson–Nyquist noise)...
15 KB (2,962 words) - 11:59, 26 October 2023
random interference with information traveling on wires, now called Johnson–Nyquist noise. Johan Erik Bertrand was born in Gothenburg, Sweden on October 2...
8 KB (843 words) - 12:57, 2 June 2024
Johnson–Nyquist noise, thermal noise Nyquist stability criterion, in control theory Nyquist plot, signal processing and electronic feedback Nyquist–Shannon...
793 bytes (118 words) - 06:53, 18 March 2020
spectral density of the noise is expressed in terms of the temperature (in kelvins) that would produce that level of Johnson–Nyquist noise, thus: P N B = k B...
10 KB (1,719 words) - 01:21, 5 April 2024
Active noise control (ANC), also known as noise cancellation (NC), or active noise reduction (ANR), is a method for reducing unwanted sound by the addition...
10 KB (1,338 words) - 10:54, 22 October 2024
such as conductance fluctuations, including 1/f noise. Johnson–Nyquist noise (more often thermal noise) is unavoidable, and generated by the random thermal...
17 KB (2,201 words) - 16:46, 6 August 2024
technique for measuring the gain and noise temperature of an amplifier. It is based on the Johnson–Nyquist noise of a resistor at two different, known...
2 KB (272 words) - 11:40, 29 June 2024
Intermodulation noise Internet background noise ITU-R 468 noise weighting Jansky noise Johnson–Nyquist noise, Johnson noise Line noise Mode partition noise Neuronal...
4 KB (342 words) - 12:14, 30 October 2023
Colors of noise Crest factor Fractal Flicker noise Johnson–Nyquist noise Noise (electronics) Quantum 1/f noise Self-organised criticality Shot noise Sound...
54 KB (6,620 words) - 08:52, 11 November 2024
Joule heating (section Power loss and noise)
Resistors create electrical noise, called Johnson–Nyquist noise. There is an intimate relationship between Johnson–Nyquist noise and Joule heating, explained...
33 KB (3,827 words) - 11:38, 4 October 2024
contribute a portion of the 288 K Earth noise to its overall noise temperature. Noise Temperature Johnson–Nyquist noise Federal Standard 1037C MIL-STD-188...
4 KB (568 words) - 11:41, 30 June 2024
Noise reduction is the process of removing noise from a signal. Noise reduction techniques exist for audio and images. Noise reduction algorithms may distort...
41 KB (4,522 words) - 00:53, 12 October 2024
"mosquito noise" around edges in JPEG and other formats Noise (electronics) in electrical signals Johnson–Nyquist noise, in semiconductors Quantum noise Quantum...
7 KB (937 words) - 03:14, 26 March 2023
Transimpedance amplifier (section Noise considerations)
is directly the voltage noise over the feedback resistance. This Johnson–Nyquist noise has an RMS amplitude v n , o u t 2 ¯ = 4 k B T R f Δ f . {\displaystyle...
12 KB (1,825 words) - 02:38, 20 March 2024
primarily by Johnson–Nyquist noise (thermal noise), including that which comes from the reset noise of capacitors ("kTC noise"). Amplifier noise is a major...
29 KB (3,524 words) - 18:46, 26 October 2024
Kelvin (section Kelvin as a unit of noise temperature)
to an ultimate noise floor, i.e. the noise temperature. The Johnson–Nyquist noise of resistors (which produces an associated kTC noise when combined with...
42 KB (4,561 words) - 22:52, 10 November 2024
Microbolometer (section 1/f noise)
will need to be used. Second, higher resistances comes with higher Johnson–Nyquist noise. The two most commonly used IR radiation detecting materials in...
16 KB (1,845 words) - 21:57, 11 November 2024
Brownian motion during his annus mirabilis and Harry Nyquist's explanation in 1928 of Johnson noise in electrical resistors. The fluctuation–dissipation...
27 KB (4,178 words) - 21:14, 2 October 2024
phonon noise can significantly contribute to the total noise. Although Johnson–Nyquist noise shares many similarities with phonon noise (e.g. the noise spectral...
4 KB (543 words) - 22:37, 6 August 2022
Noise pollution, or sound pollution, is the propagation of noise or sound with ranging impacts on the activity of human or animal life, most of which are...
100 KB (11,119 words) - 21:28, 31 October 2024
A noise barrier (also called a soundwall, noise wall, sound berm, sound barrier, or acoustical barrier) is an exterior structure designed to protect inhabitants...
12 KB (1,429 words) - 03:17, 26 October 2024
resistance are exactly constant; this fluctuation, now known as Johnson–Nyquist noise, is due to the discrete nature of charge. This thermal effect implies...
47 KB (6,036 words) - 21:21, 6 October 2024
the Arctic Ocean Gospel of John, in Christian scripture Johnson–Nyquist noise, electrical noise generated by random thermal motion in a conductor Jornal...
846 bytes (154 words) - 11:26, 10 December 2023
Sources of noise vary and include: Johnson–Nyquist noise ("thermal noise"); Zener noise; avalanche breakdown. The drawbacks of using noise sources for...
28 KB (3,412 words) - 16:16, 9 October 2024
Noise, vibration, and harshness (NVH), also known as noise and vibration (N&V), is the study and modification of the noise and vibration characteristics...
9 KB (1,190 words) - 00:27, 26 October 2023
refusals. Shot noise 1/f noise White noise Johnson–Nyquist noise Signal-to-noise ratio Noise power Noise-equivalent power Phase noise List of noise topics Audio...
8 KB (1,101 words) - 12:23, 1 June 2024