![Sensors | Free Full-Text | Low-Voltage Low-Pass and Band-Pass Elliptic Filters Based on Log-Domain Approach Suitable for Biosensors Sensors | Free Full-Text | Low-Voltage Low-Pass and Band-Pass Elliptic Filters Based on Log-Domain Approach Suitable for Biosensors](https://pub.mdpi-res.com/sensors/sensors-19-05581/article_deploy/html/images/sensors-19-05581-g001.png?1577757093)
Sensors | Free Full-Text | Low-Voltage Low-Pass and Band-Pass Elliptic Filters Based on Log-Domain Approach Suitable for Biosensors
The RLC circuits shown below act as two-pole band-pass filters. Series or parallel LC: ω0 1 LC (resonant frequency; zL = -zC)
![passive networks - Cutoff frequency of a second order low pass RLC circuit - Electrical Engineering Stack Exchange passive networks - Cutoff frequency of a second order low pass RLC circuit - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/H9Itf.png)