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RL Filter

Peter Ho Tools In-app purchases Contains ads

Find out combinations of R, L making a desired cutoff frequency

Rating
5.0
18 ratings
Downloads
1K+
on Google Play
Price
Free
In-app purchases
Updated
Jul 27
2026 · v2.0.20
Get it onGoogle Play See alternatives

Screenshots

  • RL Filter screenshot 1
  • RL Filter screenshot 2
  • RL Filter screenshot 3
  • RL Filter screenshot 4

About RL Filter

This app is used to calculate RL filter. It is suitable for hobbyist or electronic engineers.


Features:
1. Calculate cutoff frequency by resistor and inductor values
2. To find out combinations of resistance and inductance making a desired cutoff frequency
3. Save all combinations in a CSV (Excel) file
4. Use preferred values of resistors and inductors


Features in PRO version only:
1. Can use preferred value 1% for resistor and 5% for inductor
2. No Ads
3. No limitation


Note :
1. For those who need support please email to the designated email.
Do NOT use either the feedback area to write questions, it is not appropriate and that is not guaranteed that can read them.

What’s new

Version 2.0.20 · Updated July 27, 2026

2.0.20 - Fix minor bugs

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