Neon Voltage Indicator (CB23694E)

This is a commercial circuit found in Radio Electronics magazine from September 1960. The circuit has several strips and several indicator lamps.

2.8 W Stereo Amplifier (CB12553E)
The amplifier shown in figure 2 is based on the MAX9715 integrated circuit from Maxim...
Source Follower (CB6153E)
This stage for JFETs was found in a 1965 US publication, but is valid for modern components. |...
15 W Stereo Amplifier (CB18504E)
This circuit was found in a Japanese publication from 1971. The circuit uses components from the...