frequency signal transmitter
101Input impedance — The input impedance, load impedance, or external impedance of a circuit or electronic device is the Thévenin equivalent impedance looking into its input.In audio systemsGenerally in audio and hi fi, the input impedance of components is several… …
102Operation RAFTER — RAFTER was a code name for the MI5 radio receiver detection technique, mostly used against clandestine Soviet agents and monitoring of domestic radio transmissions by foreign embassy personnel from the 1950s on. Contents 1 Explanation 2 Soviet… …
103oscillator — i. An electronic circuit that converts energy from a direct current source to a periodically varying electric output. ii. The stage of a superheterodyne receiver that generates a radio frequency signal of the correct frequency to mix with the… …
104WALR-FM — Infobox Radio Station airdate = 1970s frequency = 104.1 (MHz) HD Radio 104.1 HD 2 for Adult Hip Hop city = Greenville, Georgia area = Atlanta metropolitan area format = Urban Oldies owner = Cox Radio sister stations = WBTS, WSB, WSB FM, WSRV part …
105WLEE — Infobox Radio station name = WLEE city = Richmond, Virginia area = Richmond branding = slogan = WLEE, News Talk 990 airdate = frequency = 990 kHz format = Newstalk power = 1000 Watts erp = haat = class = D facility id = coordinates =… …
106Touchpad — For the tablet computer, see HP TouchPad. Trackpad on an Apple MacBook Pro …
107WWTC — Infobox Radio Station name = WWTC city = Minneapolis, Minnesota area = Minneapolis St. Paul branding = AM 1280 The Patriot slogan = airdate = August 10, 1925 frequency = 1280 AM (kHz) format = Commercial; Talk power = 5,000 watts erp = class = B… …
108Digital television in Hong Kong — Conventional free to air analogue television transmission has been used in Hong Kong since the 1967, the establishment of TVB with its TVB Jade channel. Decades passed, new digital television technologies became a new trend in television… …
109RF power amplifier — An RF power amplifier is a type of electronic amplifier used to convert a low power radio frequency signal into a larger signal of significant power, typically for driving the antenna of a transmitter. It is usually optimized to have high… …
110AN/CPS-9 — The AN/CPS 9 radar, the first radar specifically designed for meteorological use, was unveiled by the Air Weather Service (now the Air Force Weather Agency) in 1954.NOAA Legacy Timeline 1900 1969 [http://www.history.noaa.gov/legacy/time1900… …
