This automotive circuit was found in the June 1997 issue of Electronis now magazine. The circuit uses a common operational amplifier powered by 12 V.
In the figure below we have a typical circuit for applying a current sensor that can be used in...
A quartz crystal-controlled oscillator, capable of operating up to approximately 1 MHz, can be...
This low power, class A circuit uses two old germanium transistors. The circuit was found in an...