This CMOS 4001 oscillator alternately turns the relay on and off at times set by R2. The circuit is from Electronics Now magazine, June 1995.
This traditional direct amplification MW radio configuration was obtained in an American...
This filter, which rejects frequencies around 1 kHz, was found in the August 1993 Electronics Now...
The CMOS 4046 integrated circuit is not very common today, consisting of a very efficient PLL for...