We found this circuit for video games in a Radio Electronics magazine from August 1977. The transistor can be any common RF type that reaches the desired signal frequency.
Although it is a common configuration today, this circuit was taken from an old publication. The...
This configuration was found in an English magazine from 1965. It is valid for any junction FET. The...
The circuit in the figure is an amplifier with gain 10 for alternating signals using the 741. The...