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...
3 KB (327 words) - 01:30, 20 July 2025
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...
86 KB (9,384 words) - 19:38, 10 August 2025
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 (3,899 words) - 00:20, 10 April 2025
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...
37 KB (5,896 words) - 00:17, 5 August 2025
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) - 16:37, 11 July 2025
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 (2,468 words) - 03:22, 22 May 2025
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...
49 KB (7,280 words) - 05:35, 19 May 2025
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 (5,003 words) - 02:16, 28 April 2025
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 (1,896 words) - 18:41, 1 August 2025
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 (3,597 words) - 17:25, 25 April 2025
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...
58 KB (7,150 words) - 08:43, 11 May 2025
Link budget (redirect from Optical power budget)
A link budget is an accounting of all of the power gains and losses that a communication signal experiences in a telecommunication system; from a transmitter...
14 KB (1,940 words) - 10:34, 6 June 2025
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 (1,029 words) - 14:38, 18 July 2025
in the electrical power they can convert to sound power without being damaged or distorting the audio signal. These limits, or power ratings, are important...
37 KB (4,941 words) - 00:16, 26 July 2025
modulation, it uses transmitter power and bandwidth more efficiently. Amplitude modulation produces an output signal the bandwidth of which is twice the...
33 KB (4,814 words) - 03:16, 26 May 2025
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 (3,391 words) - 11:06, 2 August 2025
social media, with the intent of demonstrating one's good character. The term virtue signalling is frequently used pejoratively to suggest that the person...
21 KB (2,214 words) - 08:58, 18 July 2025
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) - 19:17, 19 June 2025
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...
10 KB (1,249 words) - 19:24, 17 January 2025
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
sidebands and possibly the carrier signal, which improves the ratio of message power to total transmission power, reduces power handling requirements of line...
36 KB (4,695 words) - 21:34, 31 May 2025
Within evolutionary biology, signalling theory is a body of theoretical work examining communication between individuals, both within species and across...
78 KB (9,237 words) - 06:58, 21 July 2025
ATX (redirect from ATX Power Connector)
PS_ON# (power on) is a signal from the motherboard to the power supply. When the line is connected to ground (by the motherboard), the power supply turns...
81 KB (7,780 words) - 03:02, 10 August 2025
Pulse compression (category Signal processing)
or increase the signal to noise ratio when the peak power and the bandwidth (or equivalently range resolution) of the transmitted signal are constrained...
31 KB (5,513 words) - 00:27, 10 July 2025
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 (4,037 words) - 08:39, 28 June 2025
is preferred to express the signal quality when the signal has been digitally modulated. High C/N ratios provide good quality of reception, for example...
6 KB (895 words) - 22:12, 21 May 2025
modulation or message signal onto a carrier signal to be transmitted. For example, the message signal might be an audio signal representing sound from...
28 KB (3,371 words) - 18:22, 31 July 2025
American railroad signals generally fall into the category of multi-headed electrically lit units displaying speed-based or weak route signaling.[citation needed]...
53 KB (7,581 words) - 21:58, 2 July 2025
high-frequency signal analyzers achieve good performance by optimizing both the analog front end and the digital back end. Modern signal analyzers use...
3 KB (352 words) - 11:40, 3 November 2023
Radar (redirect from Radar signal processing)
unwanted signals defines its signal-to-noise ratio (SNR). SNR is defined as the ratio of the signal power to the noise power within the desired signal; it...
103 KB (12,053 words) - 05:13, 8 August 2025