This circuit is from the 80's, using an integrated of the time. The circuit serves as a reference, as this type of dialing is no longer used today.
This circuit can be used to receive the signals from the CB17017E by applying them to an...
This circuit was found in a 1997 magazine. It uses a CMOS 4060 circuit powered by 12 V which is...
This circuit acts as a NOR gate for LED drive from TTL outputs. The circuit must be powered from a 5...