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Консультация № 100366
31.08.2007, 15:53
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Доброе время суток эксперты!
Подскажите, какой операционный усилитель лучше выбрать для построения высококачественного предусилителя (стерео). Планируется подключать его к профессиональной аппаратуре. Желательна максимальная компактность (в одном устройстве может быть до восьми таких предусилителей).
Схема включения приветствуется!
Подскажите, какой операционный усилитель лучше выбрать для построения высококачественного предусилителя (стерео). Планируется подключать его к профессиональной аппаратуре. Желательна максимальная компактность (в одном устройстве может быть до восьми таких предусилителей).
Схема включения приветствуется!
Обсуждение
Неизвестный
03.09.2007, 12:31
общий
это ответ
Здравствуйте, Баранов Владимир aka C4tnt!
Для высококачественного звукоусиления нужно испоьзовать ЭЛЕМЕНТАРНУЮ БАЗУ и ТОПОЛОГИЮ как в РАДИОЧАСТОТНЫХ СИСТЕМАХ, т . е. проектировать так, как будто это бы был, скажем, предварительный увч (RF preamp). Я это делаю на основании горького опыта. Сейчас все делаю на довольно дорогих, но очень качественных полугигагерцовых стерео AD8056 (есть моно-версия 8055 и 8048). мое мнение - много лучше (интермодуль - низкий, задержка - линейная во всем звуковом диапазоне и даже за ним!), чем низкочастотные операционики (LM324 - 4 канала, неплохая). Кстати, я их сам проектирую ОУ! Если что - пишите в личку, подскажу.
Для высококачественного звукоусиления нужно испоьзовать ЭЛЕМЕНТАРНУЮ БАЗУ и ТОПОЛОГИЮ как в РАДИОЧАСТОТНЫХ СИСТЕМАХ, т . е. проектировать так, как будто это бы был, скажем, предварительный увч (RF preamp). Я это делаю на основании горького опыта. Сейчас все делаю на довольно дорогих, но очень качественных полугигагерцовых стерео AD8056 (есть моно-версия 8055 и 8048). мое мнение - много лучше (интермодуль - низкий, задержка - линейная во всем звуковом диапазоне и даже за ним!), чем низкочастотные операционики (LM324 - 4 канала, неплохая). Кстати, я их сам проектирую ОУ! Если что - пишите в личку, подскажу.
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