radio_2006

radio_2006 - Radio Chapter 6 Do the Right Thing Senor Love...

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Radio Chapter 6
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Do the Right Thing Senor Love Daddy
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Enabling Technologies Radio frequency transmission and reception Spark transmitters Spread across a wide range of frequencies Later developed tunability – limited frequency range to  avoid interference Gov’t regulation – ‘local’ priority for radio broadcasts Voice and music encoding Morse code requires training Audio “iconicity” appealing – analog voice and music Availability of inexpensive radio receivers Patent pool (RCA) made this possible after WWI
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Wireless Telegraphy
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Radio Shacks
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Vacuum Tubes Basis of the  electronics industry  until the transistor Diode Triode
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Amplitude Modulation (AM)
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Radio Technology
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Frequency Modulation (FM)
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RCA Patent Pool Many companies made money making radio  equipment during WWI Patent suits put on-hold by gov’t US Military didn’t like communication controlled by  foreign company (Marconi) Seized Marconi assets during the war, and hesitated to  give them back afterward General Electric proposed a private company to  control US radio Radio Corporation of America (Chiquita bananas) Member companies could use all patents
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Radio Not Mass Comm at First Wireless telegraph Point to point communication Trained operators Used where wires not possible or practical Ship to ship, ship to shore Military Wireless telephone Telephone is point to point communication
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This note was uploaded on 04/17/2008 for the course FDM 1301 taught by Professor Korpi during the Fall '07 term at Baylor.

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radio_2006 - Radio Chapter 6 Do the Right Thing Senor Love...

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