Neon Fuse Blown Monitor (CB24104E)

This circuit was found in the January 1971 Radio Electronics magazine. It keeps the light flashing if the fuse blows.

Small Experimental Short Range FM Transmitter (CB17689E)
The transmitter shown can reach around 100 meters depending on the location and sensitivity of the...
Rectangular Generator LM3909N (CB4558E)
This circuit was obtained from a 1978 Practical Wireless. It generates a low frequency, low...
Vox for transmitter (CB24038E)
Using the LM170 integrated circuit, this circuit was found in the May 1970 Radio Electronics...