The CA3020 integrated circuit was one of the first commercial types, sold in the 1960s. The circuit presented is from 1968 using a power stage with RCA transistors of the time.
This circuit was found in the September 1972 issue of Radio Electronics magazine. The circuit uses...
The circuit shown in the figure consists of an amplifier for stereo sources with Maxim's MAX9723...
This circuit was obtained in a 1980 edition of Elementary Electronics a magazine that no longer...