РАЗДЕЛ V
FREQUENCY CONVERTERS
ПРЕОБРАЗОВАТЕЛИ ЧАСТОТ
Text I
What are Frequency converters
EXERCISE EXERCISE EXERCISE EXERCISEEXERCISE 1EXERCISE EXERCISE
Before reading the text answer questions:
What branch of technology are frequency converters connected to?
What role do they play?
In what devices are they used?
EXERCISE 2EXERCISE EXERCISE
Read and translate the international words:
Apparatus, system, channel, amplitude, modulation, unit, generators, electric filter, differential, limiter, compressors, correction, terminal, element, diode, transistor, transfer, spectrum, area, heterodyne, detector, receiver, conversion, process, principle of modulation, periodically, characteristics, radio, integrated, ordinary, balanced, crystal, professional, decameter, bipolar, unipolar, isolation, type.
EXERCISE 3
Find the Russian equivalents to the following words and word combinations in the box:
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Multichannel system, frequency division of channels, amplitude modulation, a number of various devices, frequency converter, amplifier, differential system, amplitude limiter, electric filter, correction circuit, frequency spectrum, super heterodyne detector, intermediate frequency, diode, super high frequency, low noises, bipolar transistor, unipolar transistor, non-balanced converter, double balanced converter.
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Амплитудная модуляция, многоканальная система, преобразователь частоты, ограничитель амплитуд, множество различных устройств, биполярный транзистор, полевой транзистор, частотное разделение каналов, усилитель, промежуточная частота, СВЧ, выравнивающий контур, спектр частот, супергетеродинный приемник, электрический фильтр, диод, дифференциальная система, малые шумы, двойной балансный преобразователь, небалансный преобразователь.
Достарыңызбен бөлісу: |
