| A simple voltage-controlled oscillator (VCO) built with just one operational amplifier and a few passive components.
| A simple voltage-controlled oscillator (VCO) built with just one operational amplifier and a few passive components.
| 2 sided FR4 PCB that implements a configurable op-amp circuit for single SOT23-5 amplifiers and 0805 passive components and 0.1inch grid pin...