The Power Good signal (power-good) is a signal provided by a computer power supply to indicate to the motherboard that all of the voltages are within...
2 KB (314 words) - 18:45, 10 December 2021
Once the output power is ready to use, the Power Good signal tells the digital circuitry that it can begin to operate. Original IBM power supplies for the...
65 KB (7,457 words) - 13:43, 12 September 2024
is done. PC power supplies often provide a power good signal to the motherboard; the absence of this signal prevents operation when abnormal supply voltages...
29 KB (3,906 words) - 17:18, 14 October 2024
Spectral density (redirect from Signal frequency spectrum)
In signal processing, the power spectrum S x x ( f ) {\displaystyle S_{xx}(f)} of a continuous time signal x ( t ) {\displaystyle x(t)} describes the...
36 KB (5,666 words) - 05:12, 24 September 2024
Molex connector (category DC power connectors)
−5V, −12V, "power-good signal", and ground. The most notable difference from modern 20/24-pin ATX power connectors is that the AT power supply connector...
11 KB (1,269 words) - 17:46, 30 September 2024
Phantom power, in the context of professional audio equipment, is DC electric power equally applied to both signal wires in balanced microphone cables...
19 KB (2,470 words) - 20:26, 4 September 2024
Colors of noise (redirect from Power-law noise)
fields, the color of noise or noise spectrum refers to the power spectrum of a noise signal (a signal produced by a stochastic process). Different colors of...
29 KB (3,593 words) - 07:41, 5 November 2024
electric power, the complexity of a signal box was no longer limited by the distance a mechanical lever could work a set of points or a semaphore signal via...
15 KB (1,887 words) - 17:33, 19 June 2024
Amplifier (redirect from Signal amplifier)
magnitude of a signal (a time-varying voltage or current). It is a two-port electronic circuit that uses electric power from a power supply to increase...
56 KB (7,058 words) - 18:53, 20 June 2024
the power supply voltage is present across the output device at low signal levels. If high output power is needed from a class-A circuit, the power supply...
34 KB (5,099 words) - 21:30, 25 October 2024
signal of all: that politicians do not really care about their electorate’s concerns, other than as a device to win and to hold on to their own power"...
19 KB (2,081 words) - 01:18, 7 October 2024
couple a defined amount of the electromagnetic power in a transmission line to a port enabling the signal to be used in another circuit. An essential feature...
46 KB (6,932 words) - 19:46, 1 September 2024
Analog television (section Structure of a video signal)
signal becomes snowy and subject to interference. In contrast, picture quality from a digital television (DTV) signal remains good until the signal level...
59 KB (7,830 words) - 09:13, 1 November 2024
radio-frequency power amplifier (RF power amplifier) is a type of electronic amplifier that converts a low-power radio-frequency (RF) signal into a higher-power signal...
11 KB (1,015 words) - 17:51, 10 October 2024
The Wow! signal was a strong narrowband radio signal detected on August 15, 1977, by Ohio State University's Big Ear radio telescope in the United States...
33 KB (3,383 words) - 00:56, 6 November 2024
sidebands and possibly the carrier signal, which improves the ratio of message power to total transmission power, reduces power handling requirements of line...
35 KB (4,575 words) - 15:17, 3 November 2024
Within evolutionary biology, signalling theory is a body of theoretical work examining communication between individuals, both within species and across...
78 KB (9,230 words) - 16:32, 17 October 2024
as good noise immunity (6 dB higher signal-to-noise ratio) as a single-ended system. The main advantage of single-ended over differential signaling is...
4 KB (514 words) - 07:35, 24 August 2023
Coaxial cable (redirect from Egress (signal leakage))
pass radio-frequency signals but to block direct current or low-frequency power. The characteristic impedance formula above is a good approximation at radio...
76 KB (7,760 words) - 13:42, 31 October 2024
common-mode signal is the identical component of voltage present at both input terminals of an electrical device. In telecommunication, the common-mode signal on...
5 KB (674 words) - 14:31, 18 April 2024
White noise (redirect from Infinite-bandwidth white noise signal)
In signal processing, white noise is a random signal having equal intensity at different frequencies, giving it a constant power spectral density. The...
30 KB (4,016 words) - 12:03, 13 October 2024
Ground plane (redirect from Signal return plane)
ground plane must have good conductivity; any resistance in the ground plane is in series with the antenna, and serves to dissipate power from the transmitter...
8 KB (1,079 words) - 14:12, 29 October 2024
Shielded cable (redirect from Signal Cables)
the return path for the signal. As contrasting examples, coaxial cable does, whereas twinax cable does not. High voltage power cables with solid insulation...
9 KB (1,055 words) - 18:06, 18 June 2024
information, such as an audio signal, by radio waves. A refinement of amplitude modulation, it uses transmitter power and bandwidth more efficiently...
33 KB (4,797 words) - 21:35, 26 September 2024
Relay (redirect from Power factor relay)
low-power signal, or where several circuits must be controlled by one signal. Relays were first used in long-distance telegraph circuits as signal repeaters:...
49 KB (6,428 words) - 04:36, 27 June 2024
signal strength refers to the transmitter power output as received by a reference antenna at a distance from the transmitting antenna. High-powered transmissions...
8 KB (1,289 words) - 13:36, 12 April 2024
sound energy without being damaged or distorting the audio signal. These limits, or power ratings, are important to consumers finding compatible products...
37 KB (4,910 words) - 20:10, 21 September 2024
low-power signal without significantly degrading its signal-to-noise ratio (SNR). Any electronic amplifier will increase the power of both the signal and...
10 KB (1,330 words) - 15:14, 27 October 2024
Spectrum analyzer (category Signal processing)
magnitude of an input signal versus frequency within the full frequency range of the instrument. The primary use is to measure the power of the spectrum of...
31 KB (3,808 words) - 11:26, 14 October 2024
Traffic light (redirect from Traffic signal)
Traffic lights, traffic signals, or stoplights – also known as robots in South Africa, Zambia, and Namibia – are signaling devices positioned at road intersections...
100 KB (10,844 words) - 12:01, 4 November 2024