The CUT frequency for this filter is determined by the capacitors. The µA4138 is a quad version of the 741 and can be replaced. Power supply must be dual from 6 to 12 V. Other operational amplifiers can also be used.

- Details
- Written by: Newton C. Braga

The CUT frequency for this filter is determined by the capacitors. The µA4138 is a quad version of the 741 and can be replaced. Power supply must be dual from 6 to 12 V. Other operational amplifiers can also be used.