Introduction to Television 1 jess 2006 Television Transmission and Frequency Allocation.

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Presentation transcript:

Introduction to Television 1 jess 2006 Television Transmission and Frequency Allocation

direct path reflected path base station building, vehicle, or other reflector Station

Introduction to Television 1 jess 2006 Television Station Bands VLF CATV VHF UHF

Introduction to Television 1 jess 2006 Radio Spectrum – US Frequency Allocations... AM Radio TV 2-4 FM Radio TV 7-13 TV TV Cell TV 5-6

Introduction to Television 1 jess 2006

Some current US radio spectrum allocations... Cellular telephone ( , MHz) 50 MHz PCS ( , MHz)150 MHz GPS (1227, 1575 MHz) 41 MHz FM Radio ( MHz)20 MHz WLANs ( GHz)84 MHz Broadcast TV (54-72, 76-88, , MHz)492 MHz

Introduction to Television 1 jess 2006 Over the air TV will be digital—mix of HDTV and more channels of SDTV Cable will have lots of content on demand Satellite will have over the air HD programming Telcos will be providing IPTV Broadband delivery of content on demand (NetFlix, iPod) “mobile TV” on phones or other proprietary wireless data networks.

Introduction to Television 1 jess 2006