Found in an Electronics World of 1969, this circuit causes a light bulb to flash along with the audio signal applied to the input. The circuit only works with incandescent lamps. C can be 47 nF to 220 nF.
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can be...
This small commercial radio for the MW band with germanium transistors was found in Japanese...
We found this setting in the National Semiconductor Linear Applications Handbook. The base is an...