noise margin

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• Noise margin — In electrical engineering, noise margin is the amount by which a signal exceeds the minimum amount for proper operation. It is commonly used in at least two contexts: In communications system engineering, noise margin is the ratio by which the… …   Wikipedia

• Noise Margin — Der Fachbegriff Noise Margin (deutsch etwa Reserve eines Signalpegels zum Rauschpegel) bezeichnet in der Nachrichtentechnik jenen Pegel, um welchen ein Nutzsignal an einem Informationsempfänger größer als eine Störgröße sein muss, um einen… …   Deutsch Wikipedia

• Noise trader — A noise trader also known informally as idiot trader[1] is described in the literature of financial research as a stock trader whose decisions to buy, sell, or hold are irrational and erratic. The presence of noise traders in financial markets… …   Wikipedia

• Signal-to-noise ratio — For signal to noise ratio in statistics, see Cohen s d. Signal to noise ratio (often abbreviated SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise. It is defined… …   Wikipedia

• Intersymbol interference — In telecommunication, intersymbol interference (ISI) is a form of distortion of a signal in which one symbol interferes with subsequent symbols. This is an unwanted phenomenon as the previous symbols have similar effect as noise, thus making the… …   Wikipedia

• MIL-STD-883 — The MIL STD 883 standard establishes uniform methods, controls, and procedures for testing microelectronic devices suitable for use within Military and Aerospace electronic systems including basic environmental tests to determine resistance to… …   Wikipedia

• Signal integrity — or SI is a measure of the quality of an electrical signal. In digital electronics, a stream of binary values is represented by a voltage (or current) waveform. Over short distances and at low bit rates, a simple conductor can transmit this with… …   Wikipedia

• ITU G.992.1 — In telecommunications, ITU G.992.1 (better known as G.DMT) is an ITU standard for ADSL using discrete multitone modulation. G.DMT full rate ADSL expands the usable bandwidth of existing copper telephone lines, delivering high speed data… …   Wikipedia

• 2BASE-TL — is an IEEE 802.3 2005 Physical Layer (PHY) specification for a full duplex long reach point to point Ethernet link over voice grade copper wiring. 2BASE TL PHYs deliver a minimum of 2 Mbit/s over distances of up to 2.7 km (9 kft), using ITU T… …   Wikipedia

• RS-232 — This article is about the RS 232 standard. For RS 232 variants, see serial port. A 25 pin connector as described in the RS 232 standard In telecommunications, RS 232 (Recommended Standard 232) is the traditional name for a series of standards for …   Wikipedia

• NM — electr. abbr. Noise Margin electr. abbr. Noise Meter naval abbr. Nautical Miles abbr. Native Mode (PARISC, CM) abbr. Network Management acronym Nautical Mile acronym New Mexico acronym Night Message acronym No Mark; Not Marked …   United dictionary of abbreviations and acronyms