We found this power supply in the 1982 SGS Linear Integrated Circuits manual. The L296 is not common today, but if found it results in an excellent switching source with good stability.
This small signal-following amplifier uses an integrated one that is not very common nowadays. Powered...
The resonant circuit depends on the crystal frequency that can go up to a few megahertz. The...
This direct conversion receiver circuit was found in Radio Electronics from the 90s. The...