The figure shows how to use CMOS inverters as amplifiers. The circuit is from a Radio Electronics from April 1984. The supply voltage can be between 3 and 12 V.
Found in Popular Electronics from the 1980s, this circuit can use more modern transistors such as...
This circuit is from a Radio Electronics from February 1970. The integrated circuit is an...
This is stage is transformer coupled and was found in na old publication of the year 1958. The...