frequency bandwidth
81Project 25 — (P25 or APCO 25) is a suite of standards for digital radio communications for use by federal, state/province and local public safety agencies in North America to enable them to communicate with other agencies and mutual aid response teams in… …
82Line code — An example of coding a binary signal using rectangular pulse amplitude modulation with polar non return to zero code …
83Music and mathematics — and in 2009 when fabeso donwizzle entered chaney high he would have changes the awesomeness of the school forever! A spectrogram of a violin waveform, with linear frequency on the vertical axis and time on the horizontal axis. The bright lines… …
84Buchla 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… …
85Digital television in the Philippines — The digital television (DTV) broadcast transition in the Philippines also known locally, the Digital Terrestrial Television (DTT) was the switchover from analog signals (the provisional technique of conveying television waves) to digital… …
86Plasma (physics) — For other uses, see Plasma. Plasma lamp, illustrating some of the more complex phenomena of a plasma, including filamentation. The colors are a result of relaxation of electrons in excited states to lower energy states after they have recombined… …
87Audio amplifier — An audio amplifier is an electronic amplifier that amplifies low power audio signals (signals composed primarily of frequencies between 20 hertz to 20,000 hertz, the human range of hearing) to a level suitable for driving loudspeakers and is the… …
88LTE Advanced — Articleissues advert = October 2008 cleanup = October 2008 context = October 2008 essay = October 2008 importance = October 2008 OR = October 2008 refimprove = October 2008 wikify = October 2008LTE Advanced is currently being standardized by 3GPP …
89T-carrier — In telecommunications, T carrier, sometimes abbreviated as T CXR , is the generic designator for any of several digitally multiplexed telecommunications carrier systems originally developed by Bell Labs and used in North America, Japan, and Korea …
90Comb generator — A comb generator is a signal generator that produces multiple harmonics of its input signal. The appearance of the output at the spectrum analyzer screen, resembling teeth of a comb, gave the device its name. Comb generators find wide range of… …
