Embedded Systems Design
A low-pass filter is an electronic circuit that allows signals with a frequency lower than a certain cutoff frequency to pass through while attenuating signals with frequencies higher than the cutoff. This filtering technique is essential in signal conditioning, particularly when interfacing sensors, as it helps to remove high-frequency noise that can distort sensor readings. Low-pass filters can be implemented using passive components like resistors and capacitors or through active components like operational amplifiers.
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