Integrated regulator (CB7512E)

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

Sony TE2 Hearing Aid Amplifier (CB18366E)
This is the circuit of a hearing aid amplifier manufactured by Sony in the 1960s. The circuit was...
Programmable Monostable (CB17231E)
Here we show a configuration in which we have a control voltage applied from a voltage divider, which...
SCR Flasher (CB6761E)
This circuit was found in Motorola's 1968 documentation. The SCRs are then replaceable with...