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Topic: RF modulator

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	High-Performance RF Modulator Enables Multi-Carrier Communications Transmitters - Maxim/Dallas
		The performance of an RF modulator is determined by several independent parameters.
		One measurement useful in comparing RF modulator performance is the device's dynamic range, which is the difference between the maximum practical signal level, as expressed by P1dB, and the noise floor.
		The MAX2057 RF VGA is suggested to allow the adjustment of the overall lineup's gain to set the output level at -6dBm per carrier, or 0dBm total.
	www.maxim-ic.com /appnotes.cfm?an_pk=3559 (1944 words)

	Breadboard RF Modulator- Microwave Encyclopedia - Microwaves101.com
		The heart of the Microwaves101 breadboard pulse modulator is an amplifier that you turn on and off by pulsing its drain bias voltage.
		The final proof that you have a well modulated signal is to put a detector on the output and display the pulse envelope on an oscilloscope.
		The modulator is driven by an HP 8112A 50 MHz pulse generator, which is set up for fifty ohms (hence the modulator's terminating resistor is fifty ohms).
	www.microwaves101.com /encyclopedia/pulsedRFbreadboard.cfm (2998 words)

	RF modulator - Biocrawler (Site not responding. Last check: )
		An RF modulator (for radio frequency modulator) is a small device that takes an input signal and outputs radio frequency-modulated signals.
		The RF Modulator takes the internal RGB, YUV, or composite video signal from a video-circuit inside the machine and generates a PAL or NTSC broadcast signal that can be fed into the television aerial socket.
		These give a relatively poor picture; some of the image quality is lost during the modulation in the source device, and some is lost again when demodulated in the television.
	www.biocrawler.com /encyclopedia/RF_modulator (162 words)

	RF Modulator - DVD player connect- RF Modulator hookup Connection
		The RF modulator converts the video (and/or audio) output of a DVD player (or camcorder or video game) into a channel 3 or 4 signal that is compatible with a TV's cable or antenna input.
		The main feature of an RF modulator is the capacity for it to accept the standard audio/video outputs of a DVD player and the cable TV input (even passed through a VCR) simultaneously.
		RF Modulators are the ideal way to connect multiple components to any television, making it easy for everyone in the family to enjoy their favorite movies, video games and other video sources anytime.
	www.geocities.com /columbiaisa/dvd_rf_modulator.htm (1042 words)

	Microphotonic RF receiver
		The transmitted carrier RF signal is received by the antenna and is directly fed to a square-law optical intensity modulator.
		An RF ring resonator fed by a microstripline is designed to overlap and be in simultaneous resonance with the optical field.
		The RF ring resonator, that is side coupled to the microstripline, generates a strong electric field across the traveling wave optical mode.
	www.usc.edu /dept/engineering/eleceng/Adv_Network_Tech/Html/RFreceiver.html (1435 words)

	Rf modulator : Aaoptoelectronic
		Acousto-optic modulators are used to vary and control laser beam intensity.
		The rise time of the modulator is simply deduced by the necessary time for the acoustic wave to travel through the laser beam.
		The set is optimized to offer the best performances (rise time, extinction ratio...).The RF driver features all the necessary signal to drive the modulator (carrier frequency, amplifier...) with analog or digital input control.
	www.aaoptoelectronic.com /rf_modulator.html (262 words)

	Video: TV - RF Modulator Recoton Model V647
		RF modulators are used to connect DVD players, video game systems, camcorders and other video components to TV sets without Audio/Video inputs.
		The connection is made from the DVD (or other component) a/v outputs to the RF Modulator and from the RF Modulator to the TV's antenna input jack.
		TERK’s RF Modulators are the ideal way to connect multiple components to any television, making it easy for everyone in the family to enjoy their favorite movies, video games and other video sources anytime.
	columbiaisa.freespaces.com /video_rf_modulator_recoton.htm (429 words)

	RF MODULATOR D.I.Y.
		The oscillator is modulated with the video signal and the modulated carrier wave thus generated is fed into the TV set's aerial input via a cable.
		The TV modulator is made up of two parts, namely a modulatable crystal oscillator and a harmonics generator.
		The TV modulator's output signal is made up of a large number of little peaks, each of which is a complete transmitter signal.
	members.tripod.com /~petlibrary/rfmod.htm (1285 words)

	Build TV-RF Channels - A Business Opportunity
		Modulators are not all created equal and there are many to choose from. A modulator may have one fixed channel output or be tunable (agile) through a range of channels.
		Combine the modulator signal into the distribution system and adjust the levels of the modulator carriers to be the same level as the lower and/or higher adjacent channels.
		Use a spectrum analyzer to analyze the output of the modulator to identify potential unwanted spurious carriers which may interfere with existing channels when the modulator is combined into the system.
	www.sencore.com /newsletter/July06/BuildTVRFChannels.htm (1789 words)

	Television: RF Modulator Buyer's Guide - Associated Content
		An RF modulator is a device which lets you connect audio and/or video devices which use RCA cables to your television's standard 75-ohm cable-style jack.
		An RF modulator with a normal power cord is less likely to block other outlets it isn't using, as adapters sometimes do.
		Because a television which needs an RF modulator doesn't have an input channel, the modulator uses a regular TV channel to provide the modulated video and/or sound.
	www.associatedcontent.com /article/52111/television_rf_modulator_buyers_guide.html (500 words)

	Video Modulators - HomeTech Solutions
		RF jacks are normally "F" connectors and can carry multiple channels of information, with each channel containing video and audio (even MTS stereo) signals.
		Modulators are a key piece of hardware in any video distribution system as they allow you to create your own TV stations from local sources such as your VCR, LaserDisk, DVD, or CCTV cameras.
		All other modulators are either a free-standing box, a box that wants to sit on a shelf, or an expensive module that goes into a structured wiring panel.
	www.hometech.com /video/mod.html (1310 words)

	TV/VCR/Stereo Troubleshooting: dvd player/ rf modulator
		Hi, I just bought a dvd player and a rf modulator and got home hooked it all up and started to watch a movie and all of a sudden the screen starts flipping back and forth from tv to dvd and the rf modulator is going on and off what can this be?
		If you have the rf modulator connected to the antenna input of your tv, then there could be no tv signal for it to switch over to.
		Some rf modulators have a switch and the tv signal from the antenna or the cable plug into the rf modulator box and there is a switch on the modulator to choose which you are watching.
	en.allexperts.com /q/TV-VCR-Stereo-1749/dvd-player-rf-modulator.htm (495 words)

	RF Modulator - CCT - 1 Channel (Site not responding. Last check: )
		The model 5415 modulator has the same output power as the rest of the 5400 series, but it is a quarter of the size.
		When removed, the output can be looped using a "Y" adapter or model 2743 cable set to feed the audio/video to a local monitor or VCR.
		All 5400 series modulators can be used in conjunction with the 2100 series infrared remote products to provide instant control of any video source from any TV location.
	www.callcct.com /Residential-Wiring/Modulator (164 words)

	rf rf modulator rf connector rf amplifier rf micro device rf module rf video rf switch rf modulators rf filter rf ...
		Radio Frequency (RF) communications is based on laws of physics that describe the behavior of electromagnetic energy waves.
		RF communication works by creating electromagnetic waves at a source and being able to pick up those electromagnetic waves at a particular destination.
		Line-of-site when speaking of RF means more than just being able to see the receiving antenna from the transmitting antenna.
	www.wirelessintegrated.com /wireless_technologies_knowledge_center.htm (889 words)

	Channelized RF Modulator With Stereo Capability -
		Blonder Tongue invented the Micro Modulator approach, we are often imitated, but never duplicated.
		The MICM-45S modulator is the newest addition to Blonder Tongue’s advanced family of compact modular headend products.
		This unit is a channelized SAW filtered modulator and has an output level of +45 dBmV.
	www.blondertongue.com /RF-Modulator/Stereo_Modulator-MICM-45S.php (233 words)

	RF Modulators
		You can't use a games console, a set top box, a camcorder etc. By using a RF Modulator you can modulate the signal from a Scart or phono device so that it can be connected to a RF aerial.
		RF Modulators can also used to convert and send send satellite, Freeview, VCR or DVD signals TV around a home on RF coaxial aerial cable.
		The Labgear MDD510 RF Modulator allows AV signals from VCRs, DVDs, camcorder, CCTV camera or other devices with an AV-only output to be viewed on TVs without an available Scart or Phono socket, i.e.
	www.beststuff.co.uk /rf_modulators.htm (288 words)

	ePanorama.net :: View topic - RadioShack RF modulator 75-ohm vs 100-ohm, stereo vs mono
		RadioShack RF modulator 75-ohm vs 100-ohm, stereo vs mono
		A TV signal modulator has audio and video signal inputs, then it modulates those to RF signal that goes to RF output.
		If the modulator has wide enough bandwidth for a ormal composite video signal (monocrome or color), it does not matter to it if video is monocrome or color, both take same video bandwidth.
	www.epanorama.net /phpBB2/viewtopic.php?t=518&view=next (799 words)

	rf modulator scart switch connectors phono plug lead adapter
		"RF loopthrough" means that the receiver passes the aerial signal straight through.
		"RF Modulator" means that the receiver passes the aerial signal straight through and adds its own programme to it.
		of the RF Modulator with a "cleaner" output signal and fully adjustable.
	www.satcure.co.uk /accs/page4.htm (1175 words)

	TiVo Community - Hooking tivo and a dvd player to a tv w/no A/V inputs?
		He'll need an RF coax switch on the TV's antenna input to switch between the Cable TV coax (to watch regular cable channels directly on that TV), and the RF modulator output (to watch the Tivo or DVD player).
		Connect the RF output of the Modulator (the Tivo and DVD player) to one RF Switch input, and connect the Cable TV coax to the other RF switch input.
		I kow it's 50 and the price of the RF modulator from WM was ~25 + 13 (the other switch youi linked) is only 38 but it might have done a better job being all-in-one.
	www.tivocommunity.com /tivo-vb/archive/index.php/t-279562.html (1376 words)

	INTV Funhouse - Replacing the Intellivision RF Modulator
		If you have a "dead" system that doesn't produce a picture at all, a dead RF unit may or may not be the problem.
		You may need to remove the RF unit and test it, or try to tap the video and audio signals directly to see of the logic board is producing the correct raw signals sent into the RF unit.
		Also, some of the metal tabs inserted through the slots may be twisted slightly to firmly hold the RF modulator in place on the board, in addition to the solder points.
	www.intvfunhouse.com /tech/rfmod (1038 words)

	DVD player connections to TV RF modulator
		An RF modulator can be used to connect a DVD Player to an older model TV that has only an Antenna / Cable input and no Video or Audio Inputs.
		The RF Modulator is ideal for TVs not equipped with an A/V jack.
		The RF Modulator allows the use of DVD players, video game systems, camcorders, and other video components when your television is not equipped with audio/video jacks.
	www.geocities.com /columbiaisa/dvd_connect3.htm (424 words)

	RF Modulator Enables Multicarrier Transmitters
		With the growth of multicarrier transmitters, RF modulators must maintain a low noise floor while also delivering good high-level performance as determined by the second- and third-order intercept points.
		The RF modulator is particularly important since it sets the transmitter's performance limits and architecture.
		When comparing RF modulator performance, it is useful to look at the following figure of merit: the dynamic range of the device, the difference between the maximum practical signal level as expressed by P1dB, and the noise floor.
	www.mwrf.com /Articles/ArticleID/10131/10131.html (1544 words)

	Terk Four Input Multimedia RF Modulator
		Maximize the potential of your TV with the four input multimedia RF modulator, an easy-to-use device that connects up to four audio/video sources to your television and modulates them to one RF channel (channel 3 or 4).
		In addition, the multimedia RF modulator was designed using S-video jacks to ensure that you'll always receive the clearest picture possible.
		The modulator also features an LED display that lets you identify which audio/video source is currently active.
	www.smarthomepro.com /8293tm.html (268 words)

	View topic - RF modulator setup questions
		The instructions for most of them also say to tune the tv to channel 3 (or 4) for it to work but their tv must be tuned to channel 3 all the time anyway for the cable to work.
		Anyway if you want to be sure that it works everytime using a separate RF modulator together with switching capability as suggested by other replies will be the right way to do it.
		The cable box is connected to the RF modulator which is connected to the VCR and then to the TV.
	forum.videohelp.com /viewtopic.php?p=1622828 (1589 words)

	RF Modulator - Tech Support Guy Forums
		I got a DVD-VCR for Christmas, and an RF modulator to go along with it so I could hook it up to my older TV.
		To TV on RF Modulator --> TV It might just be me, but some channels seem granier when I'm watching regular TV, but when I'm watching TV through the VCR, they seem clearer.
		you may mean video/audio out on dvd/vcr into rf modulator.
	forums.techguy.org /do-yourself-projects/529464-rf-modulator.html (769 words)

	RF/AV MODULATOR \| All Electronics Corp - Parts, Supplies and Components
		Converts audio and video line level signals to RF which can be inputted to any television on channel 3 or 4.
		Like all RF modulators...the power must be turned off before the 75 ohm feed thru works.
		A regular RF modulator at Wallmart is $19.
	www.allelectronics.com /cgi-bin/category.cgi?item=MOD-6 (434 words)

	Mini Surface-Mount Digital RF Modulator
		By connecting your satellite feed to the Mini Surface-Mount Digital RF Modulator, you'll not only be able to watch on your big-screen TV, but you'll be able to modulate the input onto a cable channel, creating your own television channel that every set in your home can access.
		Change the modulator channel, and combine the RF output to the cable or UHF feed.
		Using various distribution options, the Mini Surface-Mount Digital RF Modulator allows the combination of CATV or off-air signals to be sent through a total RF distribution system of incoming services and in-house-created channels to every room with the system.
	www.smarthome.com /7767.html (353 words)

	Rf Modulator :: Online Catalog (Site not responding. Last check: )
		Improvements in each category Rf Modulator contribute to reductions in tobacco-related morbidity and death, and success death.
		Rf Modulator Though limited, Rf Modulator information Rf Modulator to be provided in the full report in 2001 --- might be useful in identifying a) resource requirements for interventions, and b) interventions that meet public health goals more efficiently than other available options.
		Current efforts should be compared with recommendations in Rf Modulator report as well as other relevant program recommendations proposed by CDC (18), the National Cancer Institute (19), the Public Health Service (16), the U.S. Rf Modulator of Health and Human Services (17,20,21), and the Institute of Medicine (22).
	sukanah.org /rf-modulator.html (322 words)

	\| Nintendo - Customer Service \| Nintendo GameCube - RF to TV
		Plug the RF Modulator into the Analog AV Out port on the back of the GCN.
		Connect the Thin Wire of the RF Switch (labeled Control Deck) to the RF Modulator (labeled RF Out).
		Set the 3/4 switch of the RF Modulator to match the 3/4 channel setting used on the TV.
	www.nintendo.com /consumer/systems/nintendogamecube/hook_rftotv.jsp (319 words)

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