This circuit, found in a 1958 magazine, is for reference only, since the components are not easy to find today. The transistors are germanium types and power supply is made by common cells.
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...