Obtained from a 1969 neon lamp documentation, this circuit shows how to assemble an indicated circuit triggered by - 24V pulses. The neon lamp is of the era type.
This circuit is from 1977 Radio Shack documentation. The frequency depends on the capacitor. The...
Although it is a configuration still known today, this is from a Japanese publication from 1960....
This 8.2 V voltage reference was found in a 1968 Electronic Design. The op amp is from the time,...