Deutsche Itt Industries Gmbh

Reiner Schweer

Ulrich K Sieben

Manfred Juenke

A digital data slicer circuit causes the slicing level to track a teletext signal in optimum fashion even if the teletext signal has many successive zero crossings. The digital data slicer circuit substantially prevents any lock-in in either of two other, stable states. This is achieved essentially by applying a zero signal via two changeover switches to an accumulator and a sign inverter when many successive zero crossings are detected by a logic circuit that controls the changeover switches.

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Waldkirch, Germany

Reiner Schweer