Found in General Electric documentation from the 1980s, this high speed perforated tape reader circuit has a maximum speed of 2000 bits per second.
We found this circuit in an American 80's documentation. The circuit can be adapted to function as a...
This 80's circuit, suggested in Texas Insrtruments documentation, uses a Hall effect sensor. The...
This interesting benchtop circuit was found in the May 1977 issue of Radio Electronics magazine. The...