The circuit shown uses an unusual regulator currently, which is the LM2935, which must be mounted on a heat radiator. The circuit is from Motorola's Linear Interface ICs.
This circuit was obtained in European documentation from the 1980s. Transistors support...
This timer, like the previous circuits, uses a currently uncommon integrated circuit. The time is...
This Salen-Key filter can use any operational amplifier and other frequencies can be obtained by...