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The doc document may at the WAP end of browsing experience poor.Suggest that you first select the TXT, or download the source files to this machine view.DSO has many new features, which makes DSO there are many analog oscilloscope without www.adidasjeremyscottc.com the control mechanism, below we will introduce some of the most common control mechanism.Pre trigger and trigger in the first chapter, we talked about, each time-base sweep is triggered by an event promoter.So we only study on the universality of the observation of trigger time signal changes.In many applications, we Adidas Jeremy Scott Wings 2.0 are interested in are not followed by stable waveform in the trigger signal position behind, but in the trigger after a period of time, or possibly even in the front trigger.For example, when a semiconductor device is opened, the output signal amplitude can be very large, we can use it to trigger the oscilloscope, but, if we want Adidas Jeremy Scott to study the semiconductor device began conducting small input signal, we can find that,.This signal is too small and can not accurately trigger the oscilloscope.This requires the oscilloscope has called pre triggered ability of observation: whereby a signal (here refers to the large output signal to trigger the oscilloscope), and the oscilloscope display touch hair moments before the signal, which can use multiple channel oscilloscope waveforms show in detail a system input and output signal, to see the system response causality.In other cases, you might want to study in detail the trigger event after a period of time signals related to part.For example, in the study of a square wave dither size, you can use a table having a trigger delay or after trigger observation oscilloscope.This can be used when the square wave along a direction to trigger the oscilloscope, and the base is arranged into a high speed to display jitter, its practice is: in the oscilloscope detection to the trigger event, initiates a trigger delay counter.The counter counts the time set approximately equal to the cycle time of a signal.When the preset time after the end of the oscilloscope, started from Fang Bo's the rising edge of the next good will start moment acquisition.Due to the delay counter is a very stable quartz crystal controlled digital clock, it has nothing to do with the measured signal, working independently, so is not a square wave signal jitter will show for the oscilloscope acquisition to rise along the position of the instability.That is to say at all Adidas Jeremy Scott Wings times during acquisition, Fang Bo will be in relative to the rising edge trigger event in Karachi at different times (i.e., different locations on the screen) appear.Trigger position having a trigger or trigger delay ability oscilloscope must have some method to control the delay time of the size, which can be used to trigger a position control mechanism to complete.The control mechanism may be reluctant to trigger position on the screen or in the acquisition of mobile.In some of the oscilloscope, trigger position can be set only to some predetermined value, for example in the acquisition of signal recording switch, a middle and an end.But such as oscilloscope has very wide trigger position control range, it would be very convenient.So PM3394A oscilloscope allows the user to set the whole collection recording trigger time in any location, and the position of the trigger or continuously variable.