AN6884 PDF

Схема светодиодных индикаторов на микросхеме AN Категория: Микросхемы , Индикаторы Микросхема AN предназначена для работы в светодиодных индикаторах уровня сигнала, в аудиоаппаратуре. Внутри её рисунок 1 есть четыре компаратора К1-К4, на выходах которые ключи, один усилитель А1, детектор на диоде VD2, стабилизатор на стабилитроне VD1 и набор резисторов. К выходам ключей компараторов подключаются светодиоды. Питание плюс подается на девятый вывод, а минус - на пятый. Посмотрим, что получается. Резистор R1 вместе со стабилитроном VD1 образует стабилизатор некоторого образцового напряжения.

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AN6884 - AN6884 5 Dot LED Driver Circuit

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Circuito Integrado An6884

Tygomuro Sign up using Email and Password. Reverse biased capacitor on IC input pin Ask Question. Vref datssheet the high side of the 5 LED comparators in the datasheet block diagram. Pin 7 is the output of the internal amplifier, and pin 8 is wn input, designed to accept a low-level AC input 57 mV for a 0-dB indication. As displayed, the LEDs go from fully off to fully on over roughly the entire turn range of the potentiometer. Home Questions Tags Users Unanswered. That is to say that the LEDs all come on at a much smaller turn of the potentiometer.

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AN6884 PDF

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