This circuit was found in a 1965 General Electric manual. What it does is give a warning if you leave the vehicle with the headlights on or lights inside.
The circuit presented uses an integrated circuit Sanyo, not very common in our day. This amplifier provides...
This sophisticated sinusoidal audio signal generator uses a Wien bridge configuration with an...
This circuit is from the 1990 Motorola Linear Databook, which can be developed with more modern...