| 摘要 |
Crosspoint switching array, each crosspoint switching circuit including silicon controlled switches for connecting signal lines of one group of transmission lines to signal lines of another group. Each switching circuit includes a transistor triggering arrangement connected between control lines of the two groups. Coincident pulses on the control lines cause current to flow in the triggering arrangement thereby switching the silicon controlled switches ON and providing signal paths between the two groups of lines. A leakage resistance is connected between the cathode of each silicon controlled switch and a source of biasing potential so that when the silicon controlled switches are turned OFF, stored charges are rapidly dissipated through the relatively low impedance paths provided by the leakage resistances.
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