Found in Radio Electronics from the 90's, this circuit can be implemented with other operational amplifiers. The power supply is symmetrical.
Mouser Electronics has in stock Amphenol FCI Booltrack ™ connectors for robust connectivity...
In the figure we show an application in which the 4093 excites a stage with 4 transistors in the...
This siren was found in a 1980s documentation. The circuit makes use of very old operational that were...