Unit One
Lesson One
I. Pre-text exercises:
1. Practise reading the following words:
means [mi:nz], branch [bra:ntʃ], ally [
Basic task and applications of Radio Engineering
1. Modem radio engineering is a powerful tool in speeding up the scientific and technical progress. Radio engineering has penetrated into the national economy, science, industry, our culture and ev
Radio Waves
1. Electrical energy that has escaped into free space exists in the form of electromagnetic waves. These waves, which are commonly called radio waves, travel with the velocity of light and consist
Put questions to each other.
4. Summarize the general ideas of the text. Use the following plan:
1. Forms of existence of electrical energy contained in the radio wave.
2. The essential prope
Unit Two
Lesson One
I. Pre-text Exercises
1. Practise reading the following words:
emerge [i'mə:dʒ], predetermine
A Radio Communication System
1. A typical radio communication system has two main components, a transmitter and a receiver. The transmitter generates electrical oscillations at a radio frequency called the carrier frequency. E
Receivers
l. The essential components of a radio receiver are an antenna for receiving the electromagnetic waves and converting them into electrical oscillations; amplifiers for increasing of intensity of th
Put questions to each other.
4. Summarize the general ideas of the text. Use the following plan:
1) The essential components of a radio receiver.
2) The dominant consideration in receiver des
I. Pre-text Exercises.
1. Practice reading the following words:
Cybernetics [saibə:ˈnetiks], utilization [ju:tilai'zeiʃn], launch [lɔ:ntʃ], trajectory [
Modern Electronics
l. Many scientists believe at present that mankind has entered the era of new technological revolution which was brought about by the advent of cybernetics whose ideas and methods found their way i
Electronic Components. Vacuum Tubes and Transistors
1. Electronic circuits consist of interconnections of electronic components. Components are classified into two categories - active or passive. Passive elements never supply more energy than they a
Put questions to each other.
4. Summarize the general ideas of the text Use the following plan:
1) Active and passive components of electronic circuits.
2) The main elements of a diode.
The Integrated Chip
1. The transistors are the main part in the integrated chip. The concept behind an integrated chip is relatively simple: an entire electrical circuit with numerous transistors, wires, and other ele
Put questions to each other.
4. Summarize the general ideas of the text. Use the following plan:
а) The first diodes and types of radio signals in them.
b) The substances making some sections
I. Pre-text Exercises
1. Practise reading the following words:
though [ðou], personnel [,pə:sə'nel], sewer ['sjuə], vehicle [' vi:ikl], live [laiv], schedule
Television
1.Television is a system of sending and receiving pictures and sound by means of electronic signals transmitted through wires and optical fibers or by electromagnetic radiation. These signals are u
Optical System
8. The optical system of a television camera includes a fixed lens that is used to focus the scene onto the front of the pickup device. Color cameras also have a system of prisms and mirrors that s
How radar works
1. The design of a radar begins with consideration of its intended use, that is, the function to be performed by the radar as a whole. The uses generally divide into three categories:
1) W
Put questions to each other.
4. Summarize the general ideas of text Use the following plan:
1) The beginning of the design of a radar.
2) The most elementary radar equipment.
3) The
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