Power Engineering. Соколова Е.В. - 35 стр.

      signal detector, p-n junction diode, parametric amplifiers, tunnel diode, nonlin-
ear interaction, associated idler circuit, shot noise, quantum mechanical tunneling,
gain bandwidth product, variable capacitance, excess noise, semiconductor diodes,
modern transistor physics, appropriate frequency, a travelling wave tube, intermediate
undisturbed level, in addition to amplifying radiowaves, two terminal negative resis-
tance devices.

      12.9 Ответьте на вопросы

       1. When did the history of the semiconductor diode begin? 2. What was ap-n
junction diode for parametric amplifiers? 3. What is called a parametric diode? 4.
What was developed after the introduction of parametric diode? 5. Are the principles
of operation of a tunnel diode and of a parametric diode the same? 6. What is the op-
eration of the tunnel diode based on? 7. In what way may parametric diodes and tun-
nel diodes be compared?

     12.10 Выпишите из первого абзаца текста предложение, содержащее
субъектный инфинитивный оборот

     12.11 Переведите, обращая внимание на корневые слова и их произ-
водные

       conduct, conductor, conductance; detector, detection; introduce, introduction;
attract, attraction, attractiveness; vary, variable; depend, dependent, dependence, im-
mediate, immediately; differ, different, difference; resist, resistor, resistance; amplify,
amplifier, amplification; essential, essentially.

      12.12 Определите, какой частью речи является каждое слово

      commercial, transistor, parametric, capacitance, junction, inversely, reactive,
essentially, inherent.

      12.13 Найдите в тексте слова и словосочетания, эквивалентные дан-
ным

     однако; до тех пор пока не; такой; в качестве; следующим образом; таким
же способом; в то время как; оба ;таким образом; так как; кроме того; немед-
ленно; после; хотя.




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