This voltage follower or amplifier with unit gain uses an unusual operational amplifier nowadays. The circuit can be implemented to use modern operationals. The power supply must be symmetrical.
This circuit, obtained in a 1983 magazine, can drive loads up to 100 mA if the transistors are...
It is possible to design a monostable multivibrator around a voltage comparator of the four...
This voltage inverter circuit is from a Radio Eklectronics from October 1965. It was used in...