locked in-phase quadrature

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• Quadrature amplitude modulation — (QAM) (Pronounced IPA|kwa:m) is a modulation scheme which conveys data by changing ( modulating ) the amplitude of two carrier waves. These two waves, usually sinusoids, are out of phase with each other by 90° and are thus called quadrature… …   Wikipedia

• Phase Shift Keying — Die rote Sinusschwingung ist gegenüber der blauen Sinusschwingung um ein Viertel der Periodendauer verzögert. Im komplexen zweiseitigen Frequenzspektrum zeigt sich das als eine 90° Drehung der beiden Spektrallinien, die den Träger darstellen. Die …   Deutsch Wikipedia

• Detector (radio) — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

• List of electronics topics — Alphabetization has been neglected in some parts of this article (the b section in particular). You can help by editing it. This is a list of communications, computers, electronic circuits, fiberoptics, microelectronics, medical electronics,… …   Wikipedia

• Adel Sedra — is an Egyptian electrical engineer whose research specialization is microelectronics, with particular emphasis on applications in communication and instrumentation systems. He received his bachelor of science in electrical engineering from Cairo… …   Wikipedia

• Carrier recovery — A carrier recovery system is a circuit used to estimate and compensate for frequency and phase differences between a received signal s carrier wave and the receiver s local oscillator for the purpose of coherent demodulation. Example of QPSK… …   Wikipedia

• Direct-conversion receiver — A direct conversion receiver (DCR), also known as homodyne, synchrodyne, or zero IF receiver, is a radio receiver design that demodulates the incoming radio signal using synchronous detection driven by a local oscillator whose frequency is… …   Wikipedia

• FM broadcasting — See also: frequency modulation and FM broadcast band FM broadcasting is a broadcasting technology pioneered by Edwin Howard Armstrong which uses frequency modulation (FM) to provide high fidelity sound over broadcast radio. The term FM band… …   Wikipedia

• Buchla 200e — The Buchla 200e is a modular analog synthesizer designed by electronic music pioneer Don Buchla and built by Buchla and Associates. Modules 200e synthesizer platform includes several modules that roughly correspond to the canonical analog… …   Wikipedia

• How television works — Analog televisionUntil the advent of digital television and flat panel displays in the 1990s, all television was based on the transmission and reception of analog signals, displayed on a cathode ray tube. Although a number of different broadcast… …   Wikipedia

• Frequency Shift Keying — Bildung eines binären FSK Signals. Oben: Quelldaten als eine Folge von logisch 1 und logisch 0. Mitte: Unmodulierte Trägerfrequenz Unten: Moduliertes FSK Signal. Die Frequenzumtastung (englisch Frequency Shift Keying, FSK) ist eine… …   Deutsch Wikipedia