Found in a Popular Electronics from the 80's, this circuit makes use of a time integrated to control a relay in a timed way. R2 determines the activation time.
The original application of this 1967 Ferranti circuit can be changed so that it functions as a pass...
Using a 4018 IC and one gate of the 4081 it is possible to divide the frequency of digital signals by...
This single integrated circuit receiver was found in the 1992 edition of the Electronics...