This circuit can be used as an answering password system in a store, office, or other location. The circuit is from Intersil using components of the time. The circuit is from the 80's.
Indicated in Maxim's documentation from the 90's, this circuit has a gain of 40 dB and an output...
January 2017 - Mouser Electronics is introducing new, ultra-thin Vishay Displays OLED modules. The new...
This simple metal detector was found in a 1960 Sylvania transistor manual. The phone must be high...