This precision reference circuit was found in documentation from the 1980s. It applies to other operational amplifiers. The power supply must be symmetrical.
This circuit decodes FSK signals with frequencies of 1070 and 1270 Hz and can be used in data...
Found in Motorola's 1968 power circuit manual, this circuit has a high input voltage and no...
We found this circuit in a Popular Electronics from the 90's. The circuit uses three SCRs to...