In the figure we have the way to implement a logic gate or (OR) with an LM393. The circuit must be powered by a symmetrical source and other operational ones can be used.
Found in a documentation from the 90s, this circuit limits and amplifies a voice signal in the 800...
This circuit is from an Argentine publication from the 1970s but can still be assembled with...
This simple LDO, or low voltage drop regulator was found in an Electronic Design from the 90s. The...