Design simple first-order passive Low-Pass and High-Pass RC filters. Calculate cutoff frequency, or find component values for a target frequency.
| Filter Type: | |
| Cutoff Frequency: |
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| Resistance (R): |
|
| Capacitance (C): |
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| Calculate: |
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| Input Peak: | V |
| Signal Frequency: |
|
| Actual Cutoff (fc): | |
| Time Constant (τ): | |
| Phase Shift at Signal: | |
| Gain at Signal: |
The cutoff frequency ($f_c$) is the point where the output power drops to half of the input power ($-3\text{ dB}$).