The LM121 integrated circuit is no longer common in our market, with more modern equivalent versions. The circuit is from the 1994 Linear Applications Handbook by National Semiconductor.
This power inverter circuit was found in Radio Electronics magazine from December 1959....
This simple pass-through circuit was obtained in an old documentation, but it is still up to date...
This circuit was released in an Electronics Newsletter from June 1995. It uses a 10-channel...