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Topic: FM stereo

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	Frequency modulation - Wikipedia, the free encyclopedia
		FM is also used at intermediate frequencies by most analog VCR systems, including VHS, to record the luminance (fl and white) portion of the video signal.
		FM is the only feasible method of recording to and retrieving from magnetic tape without extreme distortion, as video signals have a very large range of frequency components -- from a few hertz to several megahertz.
		FM receivers inherently exhibit a phenomenon called capture, where the tuner is able to clearly receive the stronger of two stations being broadcast on the same frequency.
	en.wikipedia.org /wiki/Frequency_modulation (927 words)

	FM broadcasting - Wikipedia, the free encyclopedia
		FM radio is a broadcast technology invented by Edwin Howard Armstrong that uses frequency modulation to provide high-fidelity sound over broadcast radio.
		FM radio is distributed primarily through broadcast reception of FM radio signals, although it is also possible to distribute FM signals via cable FM, either by using an adapter to plug analogue cable wires directly into an FM receiver, or through the use of television channel allocations on a digital cable service.
		A stereo receiver will matrix the M and S signals to recover L and R: L=M+S and R=M−S. The M signal is transmitted as baseband audio in the range 50Hz to 15kHz.
	en.wikipedia.org /wiki/FM_radio (838 words)

	Fanfare FM - Improve your FM reception with "Rediscover FM Stereo" (Site not responding. Last check: 2007-10-20)
		In contrast, FM broadcast band signals are not usually bothered by signals from distant stations on the same frequency.
		As you have already gathered, the factors affecting FM reception most, aside from the FM tuner are; (a) the type of antenna used, (b) its height above the ground, and (c) the location of the antenna in relation to surrounding obstructions.
		This publication 'Rediscover FM Stereo' is intended as a reference document only and may not be reproduced in any manner or used for any commercial or public purpose, except by permission of the author.
	www.fanfare.com /rfms-bk.html (4059 words)

	Encyclopedia: FM stereo (Site not responding. Last check: 2007-10-20)
		The greater expense was to the radio stations themselves that had to rebuild their stations for the new FM radio band.
		The move of the FM band, an organized campaign of misinformation by RCA (a company that competed with FM radio by focusing on AM radio and the emerging technology of television), and adverse rulings by the FCC, severely set back the development of FM radio.
		However, FM radio did not recover from the setback until the upsurge in high fidelity equipment in the late 1950's.
	www.nationmaster.com /encyclopedia/FM-stereo (1508 words)

	Tuner Information Center - Vintage Stereo Tuners
		Here are some photos showing two of the possible configurations of 4 FM gangs and 2 AM gangs in the tuning capacitors of the (analog) Sansui TU-717 and TU-719, and the varactor (digital) equivalent of 6 FM gangs in the controversial Sumo Charlie.
		As both an audiophile and an FM DXer, Ed Hanlon, the founder of APS, is uniquely qualified to diagnose reception problems and recommend an antenna to maximize the performance of your FM tuner or receiver.
		To help you locate all the FM stations in your area, or for trips to unfamiliar areas or DXing, Bruce Elving's FM Atlas is a must.
	www.fmtunerinfo.com (5225 words)

	Reception Tips
		FM occupies the 88-108MHz band which is located between channels 6 and 7 of the TV band.
		The discovery and development of FM or frequency modulation radio is one of the lesser known accomplishments in electronics yet perhaps one of the greatest.
		FM was conceived about 1933 by Edwin Howard Armstrong, a noted professor of engineering at Columbia University and a recognized genius in electronic circuitry.
	www.bext.com /winegard.htm (1283 words)

	FM Stereo (Site not responding. Last check: 2007-10-20)
		FM modulation used in the 88 to 108MHz band takes a signal with frequency range ~50Hz to ~15kHz and modulates a carrier in the FM band with a modulation index of ~5.
		When FM stereo was introduced it had to fit in the existing band and the system used is illustrated in the diagram below.
		The information which can be used to produce the stereo signal is contained in the L + R and the L - R signals.
	cnyack.homestead.com /files/modulation/fmsteo.htm (174 words)

	Headset News fm stereo radio headset (Site not responding. Last check: 2007-10-20)
		When you are trying to find excellent information on fm stereo radio headset, it will be hard unscrambling quality information from ill-equiped fm stereo radio headset suggestions and advice so it's prudent to know how to moderate the information you are offered.
		An interesting tip to pursue when you are presented with information and advice about a fm stereo radio headset webpage is to research who is behind the website.
		This may reveal the operators fm stereo radio headset authorizations The fastest way to determine who owns the fm stereo radio headset site is to look for the 'about' page.
	www.headsets-news.info /fm-stereo-radio-headset.htm (230 words)

	Improved FM Stereo Modulator (Site not responding. Last check: 2007-10-20)
		The following circuitry is used for generating a high quality FM stereo multiplex signal that is suitable for driving mono FM transmitters such as the Free Radio Berkeley "No Tune" PLL synthesized unit.
		The Rev D FM stereo multiplex generator is the most recent design in a series of stereo multiplex circuits that have appeared on this web site.
		The design phase of the new rev D FM Stereo Modulator circuit is about complete.
	www.solorb.com /elect/fmst (372 words)

	Basics of Stereo Multiplexing for FM Transmission
		As FM is designed to handle Audio from 20Hz to 15 KHz, this gives lots of room to put in the Audio spectrum twice over + even more information in one channel without infringing on the other channel.
		As older FM Radios only looked at the 0-15KHz part of the incoming FM signal, it was a straightforward decision that the lower part of the Stereo MPX should contain the sum of the Left and Right channels i.e.
		A Stereo transmitter has to transmit various parts of the MPX signal and has to be set such that it does not over-modulate on the sum of all the MPX signal.
	transmitters.tripod.com /stereo.htm (4087 words)

	Stereo (Site not responding. Last check: 2007-10-20)
		FM radio with lower noise and greater frequency response than AM radio would be a major stimulus to the spread of stereo.
		WEFM in Chicago and WGFM in Schenectady began stereo FM broadcasting June 1.
		Stereo systems developed better cutting and pressing technology, better pickups with wider bandwidth and reduced tracking distortion.
	history.acusd.edu /gen/recording/stereo.html (1180 words)

	CBC FM Stereo Networks (Site not responding. Last check: 2007-10-20)
		Regulations were relaxed by the Board of Broadcast Governors (BBG), and separate (from AM) programming by licensees of FM transmitters was permitted, and an experimental stereo FM network was set-up involving the stations in Montreal, Ottawa and Toronto.
		A period of un-linked FM stereo broadcasting began in 1965 when CBW-FM Winnipeg became the first CBC station to initiate regular stereo programming, followed by sister stations in Vancouver, Ottawa, Toronto and Montreal.
		The English FM Stereo Network was introduced in November, banding together by microwave CBC stations in St. John's, Halifax, Montreal, Ottawa, Toronto, Winnipeg and Vancouver.
	www.broadcasting-history.ca /networks/networks_CBC_FM.html (283 words)

	Headset News motorola fm stereo radio headset (Site not responding. Last check: 2007-10-20)
		When you are trying to find top-quality information on motorola fm stereo radio headset, you'll find it easier said than done extricating superior advice from unprofessional motorola fm stereo radio headset suggestions or help so it's best to know how to qualify the information you are given.
		Doing this could reveal the owners motorola fm stereo radio headset identifications The easiest way to reveal who owns the motorola fm stereo radio headset website is to look on the 'contact' page or 'about this site' information.
		All reliable sites providing content on motorola fm stereo radio headset, will nearly always have a 'contact', or an 'about', page which will provide you with the owner's details.
	www.headsets-news.info /motorola-fm-stereo-radio-headset.htm (252 words)

	FM Atlas home page
		The FM Atlas is the only known print publication to list all the new Low Power FM Stations, FM translators and booster stations.
		FM subcarrier radio deserves to be "out of the closet," and readily available as a source of programming of music and the human voice without the need to create new stations, transmitters and increased electrical consumption.
		Hear how FM radio (88 to 108 mz) sounds as recorded from skip half a continent away, including reception from Canada and Mexico, $8 cassette postpaid.
	members.aol.com /fmatlas/home.html (2438 words)

	Gadget: FM Stereo Transmitter
		Take for example the FM Stereo Transmitter I got at Radio Shack (ID 12-2051A) years ago.
		It broadcasts in either mono or stereo and manages to squeezes more than 100 hours out of a pair of AAA batteries.
		Fact is, the FM Stereo Transmitter doesn't care what you hook it up to.
	www.streettech.com /archives_gadget/fmTransmitter.html (352 words)

	FM broadcasting -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-20)
		New technology was added to FM radio in the early (The decade from 1960 to 1969) 1960s to allow FM stereo transmissions, where the frequency modulated radio signal is used to carry (Click link for more info and facts about stereophonic) stereophonic sound, using the pilot-tone multiplex system.
		They were also equipped with a (Click link for more info and facts about notch filter) notch filter to remove the pilot tone.
		The stereo multiplexing system has been further extended to add an extra higher frequency 57 kHz subcarrier.
	www.absoluteastronomy.com /encyclopedia/f/fm/fm_broadcasting1.htm (497 words)

	Stereos (Site not responding. Last check: 2007-10-20)
		But, back in 1962 when multiplex stereo broadcasting was first standardized, there were few tabletop stereo radios to choose from.
		One connector is the demodulated, unfiltered FM signal; the other connector is a low-level audio input.
		The GR-21 is an excellent-sounding FM table radio with a "magic eye" tuning indicator.
	www.somerset.net /arm/fm_only_stereos.html (791 words)

	Compare Prices and Read Reviews on Tivoli System Henry Kloss Model Two AM/FM Stereo Radio (Taupe/Cherry) at Epinions.com
		I did try listening to the stereo in a store but the combination of bass-cranking hip-hoppers toying with car stereos and three simultaneous home audio demonstrations made it impossible to easily evaluate the system there.
		The sound from the FM band is good and I have not noticed the tuning drift one other reviewer reported.
		There is no switch for FM mono, which I use with other receivers to pull in weak, talk radio stations.
	www.epinions.com /content_92343668356 (1370 words)

	Stereo FM Transmitter - Synthesized FM Stereo Transmitter at low price!
		I have been testing the Stereo FM Transmitter module for the past several days.
		I just got a FM transmitter, a few people suggested the EDM FM transmitter: http://home.global.co.za/~edm1/ audio is great, it is not all compressed or processed like on the regular FM stations, but it sounds clear, I suppose if you want the sound of the big guys then get a processor.
		The signal was clear and conference attendees from previous years remarked how easy it was to use a mini FM receiver rather than the infra-red system we had used in past years.
	home.global.co.za /~edm1 (1671 words)

	6620 FM Stereo Radio [Archive] - All About Symbian Forums
		19-10-2004, 08:35 PM It is for listening to (stereo) radio, all right, but only on phones which actually have an FM radio (the radio is not part of the headset).
		The HS-2R is a Nokia headset with built-in FM radio, but it doesn't work with the 6620.
		It is for listening to (stereo) radio, all right, but only on phones which actually have an FM radio (the radio is not part of the headset).
	www.allaboutsymbian.com /archive/t-29234 (271 words)

	feb98 Project (Site not responding. Last check: 2007-10-20)
		To adjust the circuit tune your FM radio to a quite spot then adjust the trimmer capacitor C8 until you hear the signal that you are transmiting.
		When you have a strong signal adjust the resistor R4 until the stereo signal indicator lights.
		If the input is to high of a signal you may over drive the IC chip.
	home.maine.rr.com /randylinscott/feb98.htm (224 words)

	FM TRANSMITTER 50mW FM TRANSMITTER VERONICA UK
		The single chip low power stereo transmitter designs available from other manufacturers are unreliable and unstable.
		Uses of this unit include stereo radio all around the house and beyond from your satellite receiver or Hi-fi.
		This FM transmitter along with all our other products comes with a full twelve month guarantee and our reputation of high reliability.
	www.veronica.co.uk /50mwsb.htm (226 words)

	UK222 - Hi-Fi Stereo FM Transmitter (Assembled)
		It can be connected to any type of stereo audio source such as personal computer, CD player, Walkman, television, tape deck or stereo system to transmit stereo sound with excellent clarity throughout your home, office, yard or camp ground.
		The circuit includes a 9V battery snap and a 3.5mm stereo jack mounted right on the board for easy connection to any audio source.
		The circuit is based on the popular BA1404 stereo broadcaster IC which contains all the complex circuitry for generating the stereo FM signal.
	www.canakit.com /English/R222.asp (259 words)

	FLY FM the Cretan radio station from Rethymno, Crete, Greece. Greek radio for everyone with daily updated news
		FLY FM the Cretan radio station from Rethymno, Crete, Greece.
		The radio station FLY 9.59 FM Stereo started transmitting in 1990, and within a short time became the Nr.1 news station in the district of Rethymno, Crete.
		The lead in comparison to the competitors in general lies in the reliable impartial and fast information of the listener about topical and national events with interviews and live - reports.
	www.flyfm.com (353 words)

	UK333 - MP3 Hi-Fi Stereo FM Transmitter (Assembled)
		The transmitter includes everything you need, including the stereo cable with plug and two stereo audio jacks for connection to your computer and to your existing speakers at the same time so that you can continue to listen to the computer sound on your speakers while transmitting.
		The circuit itself is designed around the popular BA1404 integrated circuit by Rohm and is tunable anywhere on the FM band between 88 to 95MHz.
		It incorporates a specially designed power supply which allows it to be connected to any standard 9V DC adapter without introducing the noticeable "hum" which is usually present when operating a low power transmitter through a wall adapter.
	www.canakit.com /Contents/Items/UK333.asp (496 words)

	Amazon.com: Teac Reference T-H500 AM/FM Stereo Tuner: Electronics (Site not responding. Last check: 2007-10-20)
		In addition, the T-H500 is equipped with a host of valuable features beyond its convenient size, such as a PLL (phase-locked loop) synthesized tuning system and 60 memory presets (30 AM and 30 FM) to cover the entire radio dial in all but the busiest markets.
		Technical specs include a 20 Hz to 15 kHz frequency response and a total harmonic distortion of 0.3 percent when listening to FM radio and 1.5 percent for AM.
		The device, which measures 11.5 by 4 by 12.25 inches (W x H x D) total, also carries a three-year warranty on parts and labor.
	www.amazon.com /exec/obidos/tg/detail/-/B00006I5VS?v=glance (644 words)

	FM Stereo Transmitter (Site not responding. Last check: 2007-10-20)
		For this new class, we were given several small projects at the beginning of the semester, then we integrated these projects into a working FM stereo transmitter.
		The stereo encoder takes the left and right signals, and encodes them into one composite signal to be transmitted.
		Since FM transmitters operate in the 100MHz range, you cannot prototype this on a typical breadboard.
	web.mit.edu /spaik/www/portfolio/fmtransmit (392 words)

	FM Transmitter
		myFMstation.com is brought to you by developers and manufacturers of quality FM transmitters.
		Its like having you very own FM station, no matter what device to what radio, let us show you how...
		With one of these 4 different FM transmitters you will find what you need to start broadcasting today..
	www.myfmstation.com (181 words)

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