This circuit was found in an Electronics Now from the 80's. The circuit is designed for 3-digit displays. The circuit is TTL.
The purpose of this circuit found in an old Elektor is to light a lower power lamp when the bigger...
S The purpose of this circuit, found in a 1975 publication, is to suppress the noise that occurs when...
This circuit was suggested by National Semiconductor in its Linear Applications Handbook. The...