Found in the August 1994 issue of Electronics Now, this CMOS circuit uses the 4046, which is uncommon today.
This circuit can be used in the car to convert the 12 V from the battery in 6 or 9 V up to 2 A....
The figure shows how to add a Darlington stage to an operational amplifier in order to obtain a...
The gain of the Operational Amplifier in the figure is given by the ratio between R1 and R2. In...