The circuit was aimed to produce an electronic selector for ten alternative sources with the means of showing the result in a 7-segment display being driven by relays. 4511 – a BCD to 7-segment ...

4511 – a BCD to 7-segment decoder driver used to convert the logic states at the outputs of a binary coded decimal (BCD) into signals that will drive a 7-segment display 4028 – a BCD to decimal/octal ...