Found in a Hands On Electronics from the 80's, this circuit activates a relay with alternating touches on the push-button. The relay depends on the supply voltage.
We found this precision circuit in a manual from the 80's. The operational amplifier is of a...
This circuit for loads up to 10 A was found in a 2005 Linear Technology documentation. The MOSFET...
Found in documentation from the 1980s, this circuit uses a SG1524. It is an uncommon integrated circuit...