3 V buffer (CB7142E)

This 3 V rail to rail buffer was found in a National Semiconductor documentation. The gain is unit.

Pulse Width Modulator LS148 (CB15194E)
This pulse width modulator is from the SGS Integrated Circuits Manual 1982, the operational can be...
Monostable unijunction (CB6354E)
Suggested by Motorola in a 1980s publication, this circuit is insensitive to changes in bias...
6 and 15 V x 5ª Power Supply (CB16510E)
We found this source in a 1998 publication. It was originally intended for FM transmitters, but...