This high-speed circuit was found in 1980s Linear Technology documentation. The circuit makes use of components of the time with TTL output and TTL input that enable their use as a shield.
This low Power output stage can source a fraction of watt to a small loudspeaker. The transformer...
This circuit was obtained from an American 1980s documentation. The frequency depends on the...
This filter was found in Delco's 1965 documentation. It can be implemented with modern components...