CA3080 Amplifier (CB25131E)

This amplifier with an OTA has a gain of 40 dB. The power supply must be symmetrical. Found in Radio Electronics, May 1988.

SCR Timer (CB23778E)
This circuit was found in a Radio Electronics magazine from May 1967. The circuit has the time...
One Million Hour Indicator (CB6698E)
Found in a 1969 documentation on neon lamps, it actually takes advantage of the durability of the neon...
Sound Effects Generator (CB12229E
) This circuit was found in an English publication in 1990. It can still be easily assembled using a...