Question:What Sources of RF noise?

What Sources of RF noise?

RF background noise comes from many sources, ranging from solar activity to high frequency digital products to all forms of other radio communications. That background noise establishes a noise floor which is the point where the desired sig...

TV experts- help! is this a good deal for a flat screen tv?

Q: Here are the specs. the price with taxes will be $293 bucks.********LG - 19" Class / 720p / 60Hz / LCD HDTV Model: 19LH20 This compact 19" HDTV features LG SimpLink connectivity with an HDMI input and PC input for easy integration into your home theater system.What's IncludedLG 19" Class / 720p / 60Hz / LCD HDTVSwivel standRemoteOwner's manualProduct FeaturesBuilt-in HDTV tunerAdd HD-capable antenna to receive over-the-air high-definition broadcasts, where available. Optional set-top box required for high-definition cable or satellite programming. 18-9/10" screen sizeMeasured diagonally from corner to corner for a great view of all your favorite programs. 1366 x 768 resolutionSupports 720p signals for stunning image clarity. 16:9 widescreen aspect ratioWith 6 aspect ratio correction modes to give you the right ratio for every program or movie you watch. XD Image Processing Engine technologyEnhances color, brightness, contrast and detail and reduces signal noise for vibrant image quality. Ultrafast 5 ms response timeCreates smooth transitions between fast action scenes for fluid movement. 24p Real Cinema modeWith 3:2 pulldown for accurate and realistic reproduction of film sources. Wide 178° vertical and horizontal viewing angles and 20° swivel standFor comfortable viewing from almost any seat in the house. 3 color temperature modes and 3 A/V modesCustomize picture and sound settings for movies, sports or games. Other image enhancement technologiesInclude 8000:1 dynamic contrast and high brightness (450 cd/m²), wide color gamut, ISFccc-ready, xvYCC, 10-bit color reproduction and Picture Wizard. Built-in 2-way 6W speaker systemDolby Digital sound decoder and SRS TruSurround XT deliver a virtual surround sound experience. Bass, treble and balance controls and 5 selectable sound modes create a customized sound. Clear Voice II technologyAutomatically enhances the sound of the human voice to provide clear dialogue when the background sound swells. Auto volume leveler IIPrevents volume fluctuations during commercials, eliminating the need to readjust the settings. Ultraslim LCDMeasures 2-3/5" deep and may be mounted on a wall (with optional mounting kit, not included). VESA 100mm x 100mm compatible. HDMI inputProvides an uncompressed, all-digital audio/video link for the highest quality connection and supports copy-protected HD broadcast content. PC inputAllows you to connect your TV to your computer. InputsInclude 1 HDMI-HDCP, 1 HD component A/V, 1 component A/V, 1 PC, 1 PC audio and 1 RF. OutputsInclude 1 optical digital audio (rear). V-Chip parental controlsGive you the option of blocking undesirable material that you don't want your kids to see. ENERGY STAR qualifiedDesigned to use less energy and meets strict energy efficiency guidelines set by the Environmental Protection Agency and U.S. Department of Energy. Additional featuresInclude LG SimpLink functionality, input labeling, quick view, closed captioning, quadrilingual (English, French, Spanish and Korean) on-screen display, channel add/delete, favorite channel, clock and sleep timer.

A: Sounds almost too good to be true.