This circuit interrupts the power supply when grounding is missing. The circuit is from an old documentation (from the 80's) using current transformers and other components of the time.
This multi-function filter can be used as a shield controlled by TTL signals. At the high level it...
This 100 kHz crystal oscillator uses 7404 to generate square signals. We found it in a Popular...
This circuit supplies 5 V from two AA batteries. The output current is 4 mA, resulting in an 11 mA...