333 / | HD | WAVE TRANSMISSION LINES AND NETWORKS |
1 | DF | PLURAL CHANNEL SYSTEMS {4} |
100 | DF | .~ Having branched circuits {6} |
124 | DF | .~.~ With impedance matching {4} |
125 | DF | .~.~.~ Including long line element {2} |
126 | .~.~.~.~ For providing frequency separation |