60 seconds delay lock (CB7231E)

This General Electric circuit triggers on after 60 seconds. The circuit is from 1967 but can be implemented with current components.

| Clique na imagem para ampliar |

LTC7841 PolyPhase® Synchronized Boost Controllers
LTC7841 PolyPhase® Synchronized Boost Controllers Mouser Announces Analog Devices LTC7841...
Robot seeks light (CB25002E)
This interesting circuit is for controlling a small robot that searches for a light source. The...
VCO (CB11518E)
This VCO or Voltage Controlled Oscillator was found in a Popular Electronics from 1991 but can be...