This circuit uses a resonant reed switch at the trigger frequency. The circuit is from General Electric in a 1966 documentation. This type of component is rare today.
This circuit is based on the bistable configuration, but with the difference that the values of...
The TAA865 integrated circuit used in this 1986 project is no longer common today. The circuit is a...
The presented differential amplifier, indicated for instrumentation, was obtained in the 1994...