This circuit was found in Motorola documentation from 1966. The lamps are according to power and current according to the components used which are uncommon today.
The circuit shown is from the 1994 Linear Applications Handbook from National Semiconductor. The...
The integrated circuits used in this CMOS astable can be either 4011 or 4001, although 4001 is...
This circuit is from a Mallory 1968’s documentation. The integrated circuit is of the time and the...