Simple Audio Input Attenuator Buffer for Arduino Analog Inputs
Автор: Unrelated Activities
Загружено: 2020-10-30
Просмотров: 535
Описание:
Simple Audio Input Attenuator Buffer for Arduino Analog Inputs, allowing Line Level audio signals to enter the Arduino ADCs without damaging it.
10Vpp signals are attenuated to 5Vpp (0 to +5V range) without distortion, signals above 10Vpp are clipped and remain in the safe range. The circuit employs a NPN transistor connected as an AC coupled buffer, using bias resistors to form an attenuator.
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