frequency standard
81GSM frequency bands — or frequency ranges are the cellular frequencies designated by the ITU for the operation of GSM mobile phones. Contents 1 GSM frequency bands 1.1 GSM 900, GSM 1800 and EGSM/EGSM 900 1.1.1 GSM 1800 …
82Industry Standard Architecture — For other uses of ISA , see Isa (disambiguation). ISA Industry Standard Architecture Five 16 bit and one 8 bit ISA slots on a motherboard Year created 1981 Created by …
83Primary time standard — In telecommunications, a primary time standard is a time standard that does not require calibration against another time standard. Note 1: Examples of primary time, ( i.e. , frequency standards) are caesium standards and hydrogen masers. Note 2:… …
84Radio Frequency Identification — Die Neutralität dieses Artikels oder Abschnitts ist umstritten. Eine Begründung steht auf der Diskussionsseite. siehe: Abwahl Lesenswert Februar 2007 …
85Kansas City standard — The Kansas City standard (KCS), or Byte standard, is a digital data format for audio cassette drives. Byte magazine sponsored a symposium [cite journal author = Virginia Peschke year = 1976 | month = February title = BYTE s Audio Cassette… …
86Variable-frequency drive — A variable frequency drive (VFD) is a system for controlling the rotational speed of an alternating current (AC) electric motor by controlling the frequency of the electrical power supplied to the motor.cite book | first=Sylvester J. |… …
87MIDI Tuning Standard — (MTS) is a specification of precise musical pitch agreed to by the MIDI Manufacturers Association in the MIDI protocol. MTS allows for both a bulk tuning dump message, giving a tuning for each of 128 notes, and a tuning message for individual… …
88Digital frequency — is the analogue for discrete signals as frequency is to continuous signals. Since a discrete signal is a sequence (merely a series of symbols; typically, numbers) it contains no direct information as to determine the frequency of the… …
89Dual-tone multi-frequency signaling — One of the few production telephone DTMF keypads with all 16 keys, from an Autovon Telephone. The column of red keys produces the A, B, C, and D DTMF events. Dual tone multi frequency signaling (DTMF) is used for telecommunication signaling over… …
90Low-frequency oscillation — The term low frequency oscillation (LFO) is an audio signal usually below 20 Hz which creates a pulsating rhythm rather than an audible tone. LFO predominantly refers to an audio technique specifically used in the production of electronic music.… …
