发明公开
EP0136739A2 A stray pulse eliminating device for a digital-to-analog converter 失效
杂散脉冲消除装置为DA转换器。

A stray pulse eliminating device for a digital-to-analog converter
摘要:
The invention relates to a device for eliminating stray pulses occuring on the output of a digital-to-analogue converter DA. The pulses may be caused by, for example, insufficient synchronism in the input data bits and may be predicted in time. According to the invention an inductor L is arranged between the output of the digital-to-analogue converter and a following circuit F, for example a deflecting amplifier for random scan displays, and a switch S2 is arranged between the said output and ground which switch when a pulse is predicted to occur shortcircuits the output of the digital-to-analogue converter to ground. Hereby an eliminating device of simple and cheap construction is obtained operating at high frequencies.
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