Integrated regulator (CB7512E)

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

110V or 220V LED Beacon (CB19202E)
This ultra-low power circuit uses a diac to flash an LED when connected to the power grid. The...
TTL Logic Probe (CB1461E )
This circuit is from a 1977 documentation. It is powered by the power supply of the circuit under...
OLED 2x16 Display Modulators (COM151E)
November 2016 - The new OLED modulator for displays with 2 x 16 format can be obtained from Mouser...