Low Pass Filter RC Circuit Calculator
Low pass filter RC circuits are essential in electronics, allowing only low-frequency signals to pass while attenuating high-frequency signals. Our calculator simplifies designing these circuits.
- Enter the resistance, capacitance, and frequency values.
- Click ‘Calculate’.
- View results and chart below.
The formula for the cutoff frequency (fc) of an RC low pass filter is:
fc = 1 / (2πRC)
| Resistance (Ω) | Capacitance (F) | Frequency (Hz) | Time Constant (s) |
|---|
- Use high-quality components for accurate results.
- Consider the effect of temperature on component values.
What is the cutoff frequency?
The cutoff frequency is the frequency at which the power output has fallen to 3 dB of its original value.