This simulation demonstrates an RC low-pass filter with a cutoff frequency around 159 Hz, where it allows low-frequency signals to pass while attenuating higher frequencies. The circuit consists of a 1 kΩ resistor and a 1 µF capacitor. The input signal frequency varies from 100 Hz to 20 kHz. At frequencies below 159 Hz, the output (green waveform) follows the input (blue waveform) with minimal loss. As the input frequency increases, the capacitor’s reactance decreases, causing the output amplitu

This simulation shows the behavior of a simple RC low-pass filter (1 kΩ 1 µF) as the input frequency is swept from 1 Hz to 20 kHz. At low frequencies, the capacitor offers high reactance, allowing almost the entire input signal to appear at the output with minimal attenuation—so the green output closely matches the blue input. As frequency increases, capacitive reactance drops and the capacitor begins shunting high-frequency components to ground. This causes the output amplitude to reduce progre

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