This circuit is from a Mallory 1968’s documentation. The integrated circuit is of the time and the transistor admits equivalents.
July 2017 - The new Surface Mount SM0402xx LEDs from Bivar can be found on Mouser. The new...
Epson SG 8018 Epson Crystal Programmable Oscillators Available from Mouser Electronics, these...
In the figure we have a high stability voltage reference, providing a voltage of 10 V at the...