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
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
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
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 (1,335 words) - 03:32, 21 November 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
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
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
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 (6,621 words) - 18:44, 12 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 (3,828 words) - 00:01, 15 November 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...
46 KB (5,136 words) - 17:32, 17 November 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
"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
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) - 14:25, 21 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 (1,840 words) - 02:38, 21 November 2024
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
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
Sources of noise vary and include: Johnson–Nyquist noise ("thermal noise"); Zener noise; avalanche breakdown. The drawbacks of using noise sources for...
28 KB (3,314 words) - 23:09, 20 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
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
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 potential harmful effects on humans and animals. The source of outdoor noise...
99 KB (11,106 words) - 18:09, 20 November 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
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 (3,518 words) - 07:37, 15 November 2024
electronic noise due to dark current or avalanche effects. The leakage current of a good PIN diode is so low (<1 nA) that the Johnson–Nyquist noise of the...
29 KB (3,379 words) - 20:29, 23 October 2024
The Shockley equation doesn't model noise (such as Johnson–Nyquist noise from the internal resistance, or shot noise). The Shockley equation is a constant...
12 KB (1,869 words) - 19:18, 2 September 2024