The purpose of the strobe circuit in this sensor amplifier is to reduce consumption. The circuit is from old documentation (1970s), but the idea can be used in modern applications.
This current meter with many scales was found in a 80s American documentation. The operational amplifier...
This dimmer, from an old publication, can use almost any triac and in shooting a neon lamp. The...
We found this circuit in a 1975 publication. The circuit can be made with more modern equivalent...