This circuit was found in a 90s EDN. It activates a protection relay in case of reversing the polarity of the supply of a load.
August 2017 - STMicroelectronics' new DSL05 transient suppressors for 12 and 24 V voltages and...
This Nixie pipe circuit was found in 1965 documentation. Note the high supply voltage. Appropriate...
We found this circuit in an 80s Intersil documentation. Modern equivalent operating systems can be...