This interesting comparator circuit was found in an old Motorola documentation. The integrated circuit is from that time, not common today.
This circuit was obtained from General Electric documentation from the 1980s. FET operations are from...
This circuit was found in a 1966 EEE. The circuit uses transistors from the time but can be made...
This circuit tunes MW radios to apply the signal to a good audio amplifier. The circuit is from an...