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Консультация № 188531
24.12.2015, 16:18
0.00 руб.
24.12.2015, 18:23
0
1
0
Здравствуйте! У меня возникли сложности с таким вопросом:
Графоаналитический расчет однокаскадного транзисторного усилителя низкой частоты.
Исходные данные:
-транзистор IT 308Б;
-пост.составл. тока базы I =300 мкА;
-амплитуда тока базы I=100 мкА;
-сопротивление нагрузки F;
-напряжение питания коллектора Е;
Примечание. Значение R = 3,0Ом и E= 10В
Требуется:
-начертить принципиальную схему однокаскадного транзисторного усилителя низкой частоты с общим эмиттером, объяснить назначение элементов схемы и принцип усилителя транзистора.
-по выходным характеристикам определить амплитуду переменной составляющей тока коллектора I и амплитуду выходного напряжения V.
-по входным характеристикам определить амплитуду входного напряжения V.
-вычислить коэффициент усиления каскада по току К, напряжению К и по мощности К.
Расчеты производить без учета влияния предыдущего и последующего каскадов.
Графоаналитический расчет однокаскадного транзисторного усилителя низкой частоты.
Исходные данные:
-транзистор IT 308Б;
-пост.составл. тока базы I =300 мкА;
-амплитуда тока базы I=100 мкА;
-сопротивление нагрузки F;
-напряжение питания коллектора Е;
Примечание. Значение R = 3,0Ом и E= 10В
Требуется:
-начертить принципиальную схему однокаскадного транзисторного усилителя низкой частоты с общим эмиттером, объяснить назначение элементов схемы и принцип усилителя транзистора.
-по выходным характеристикам определить амплитуду переменной составляющей тока коллектора I и амплитуду выходного напряжения V.
-по входным характеристикам определить амплитуду входного напряжения V.
-вычислить коэффициент усиления каскада по току К, напряжению К и по мощности К.
Расчеты производить без учета влияния предыдущего и последующего каскадов.
Обсуждение
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