КВ усилитель мощности на лампах ГК-71. Часть 2.
Dima Gerasimenko
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Video Description
00:00 - вступление; 00:33 - обзор монтажа и расположения радиодеталей; 05:27 - схема усилителя и блока коммутации; 16:20 - завершение; Продолжаем постройку лампового усилителя для радиостанции КВ диапазона. Уже установлены основные элементы усилителя в корпус, полностью собран блок питания и накальные цепи ламп ГК-71. В этом видео будет небольшой обзор монтажа основных радиодеталей усилителя, а так же, разберем схему усилителя по блокам. Рассмотрим блок коммутации, цепи управления радиолампами в режиме "прием - передача". Лампы ГК-71 включены по схеме с общим катодом. Именно при такой схеме включения достигается максимальный коэффициент усиления, а так же можно получить хорошую линейность при работе. Данный усилитель планирую подключать к своей КВ радиостанции, у которой в выходном каскаде установлены пара транзисторов RD16HHF1.
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