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Радіотехніка-Радіоелектронні апарати(Тюренкова-...doc
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I. Reading Exercises:

Exercise 1. Read and memorize using a dictionary:

television transmitter; clear reception; twin-lead antenna wire; to transport over; coaxial cable; self-manufactured "boosters"; multiple signal; cable system start-up; a community's antenna; a terrestrial microwave system; a communications satellite; amplifier; growth spurt; to take advantage of; to "import" signals; to pick up broadcast signals;

Exercise 2. Answer the questions:

1.When was cable television created?

2.Why did cable television begin?

3.How did cable television start?

4.What services can you expect from cable television?

Exercise 3. Match the left part with the right :

1. The problem was the location of the town

to use a communications satellite to distribute its programming.

2. Television signals were received and transported

and other technologies to pick up broadcast signals from stations hundreds of miles away. 

3. Claude Reinhard of Palmerton soon began to take advantage of microwave

in a valley almost 90 air miles from the Philadelphia television transmitters.

4. It improved its reach as it was the first programming service

over twin-lead antenna wires directly to his store.

Exercise 4. Open brackets choosing the right words:

Pay television was (launched/ introduced) in November 1972 when John Walson's company, Service Electric, (to suggest/ to offer) Home Box Office (HBO) over its cable system in Wilkes-Barre. HBO was originally (to distribute/ to spread) by a terrestrial microwave system. It (to advance/to improve) its reach as it was the first programming service (to utilize/ to use) a communications satellite ( to distribute/ to spread) its programming.

The Speaking Module

II. Speaking exercises:

Exercise 1. Describe words:

cable; coaxial cable; antenna; microwave; transmitter; booster;

Example:

cable- thick wire covered with plastic that is used for carrying electricity or electronic signals.

plastic/ for/ used/ electricity/ signals/ thick /with/ is/ electronic/ wire/ covered/ signals/ that/ carrying/

coaxial cable

an insulated/ which/ runs/ conducting/ or/ telephone/ a cable/ insulated/ for/ digital/ consists/ through/ conductor/ used/ signals/ transmitting/ telegraph/ a central/ of/ high-frequency/ tube/ that television /

antenna

set/ electromagnetic/ or/ consisting/ received/ of/ a conductor/ are sent/ by/ a wire/ of/ commonly/ which/ or/ waves/ out/ wires

microwave

extremely/ 1 GH3 / and/ an electromagnetic/ or/ high/ having/ 1 mm/ wavelengths/ to/ frequency/ 30 cm/ from/ wave/ of/ more/ having

transmitter

a carrier/ modulates/ amplifies/ from/ derived/ with/ an electronic/ the resulting/or/ an antenna/and/ a meaningful/ generates/ device/ from/ sources/ other/ and/ signal/ wave/ signal/ radiates/ that /it/

booster

between/ television/ and/ set/ the received/ a radio-frequency/ for/ a radio/ the receiving/ signal/ amplifier/ connecting/ antenna/ for/ or /to intensify

Exercise 2.Ask questions to the given answers:

1) Question:_________________________________ ?

Answer: People who didn't live in a city, or in a location where signals could be received easily, were unable to watch television.

2) Question:_________________________________ ?

Answer: The problem was the location of the town in a valley almost 90 air miles from the Philadelphia television transmitters.

3) Question:_________________________________ ?

Answer: With the help of Milton Shapp's innovation, cable television spread quickly throughout the country to remote and rural areas far from broadcast origination in cities.