This filter has the components calculated for the frequency of 1 kHz but can be changed. The input resistor can be 100k and the source symmetrical. Any operational amplifier can be used.
The circuit in the figure provides a precision output stabilized at 10 V and makes use of a...
The circuit is from old documentation from the 70s, but the components are still common, as the...
This improvement of the MA1026 digital clock and thermometer, improved over the previous two...