Found in an Electronic Design from the 90s, this circuit uses high voltage operationals of the time to excite a piezoelectric motor in a bridge circuit.
This speed control for motors up to 500 mA was obtained in an old European documentation, but it...
This circuit cuts a rectangular signal, and a trapezoidal signal is obtained. The circuit is from...
This low frequency sinusoidal oscillator was obtained in documentation from the 1970s. Operational...