Measuring device having a trigger unit

摘要

A measuring device for triggering a test signal with a superposed noise signal includes a trigger unit, which is connected to a recording unit, where the test signal with respectively superposed noise signal is supplied to both. The trigger unit outputs a trigger signal to the recording unit as soon as the test signal with superposed noise signal has completely run through a hysteresis range. The trigger unit is connected to a hysteresis adjustment unit, where the hysteresis adjustment unit specifies a hysteresis range to the trigger unit, and where the hysteresis range specified by the hysteresis adjustment unit is adjustable.

主权项

1. A measuring device for triggering a test signal with superposed noise signal, comprising a trigger unit, which is connected to a recording unit, wherein the test signal with respectively superposed noise signal is supplied to the trigger unit and the recording unit, wherein the trigger unit is embodied to output a trigger signal to the recording unit as soon as the test signal with superposed noise signal has run completely through a hysteresis range,
wherein the trigger unit is connected to a hysteresis adjustment unit, wherein the hysteresis adjustment unit specifies a hysteresis range of the trigger unit, wherein the hysteresis range specified by the hysteresis adjustment unit is adjustable with bit-perfect accuracy corresponding to an accuracy of the digital comparators, wherein the recording unit provides a visualization unit, which is connected to the hysteresis adjustment unit, and wherein a set hysteresis range is displayed by the visualization unit by a transparent area with a low contrast below or above a trigger threshold in a color which is not allocated to any existing measurement channel.