Level: 2
Background
John F. Ehlers introuced Super Passband Filter in Jul, 2016.
Function
In “The Super Passband Filter” in Jul, 2016, John Ehlers addressed the problem of frequencies in indicators that are too low or too high. The common practice to refine frequency is to enable smart filters. However, good filters take lots of computational power. So Ehlers...
![BTCUSD: [blackcat] L2 Ehlers Super Passband Filter](https://s3.tradingview.com/o/O1dp1Gk6_mid.png "[blackcat] L2 Ehlers Super Passband Filter")
