Integrated regulator (CB7512E)

This circuit was found in a RCA documentation from 1977. The integrated circuit is uncommon today. It is only a reference.

Operational Amplifiers Symmetric Power Supply 78xx and 79xx (CB15342E)
This source can supply currents up to 1 A. The circuit is from Motorola's 1993 Linear Interface ICs....
Transmitter Monitor (CB23890E)
The purpose of this receiver is to monitor the signal from a nearby transmitter. It was published in an...
Symmetrical power supply (CB21691E)
In the figure we have a symmetrical power supply stabilized by a zener diode. Transformer and...