Tektronix RSA2200A, User Manual

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Trigger
RSA2203A & RSA2208A User Manual
3- 93
Slope. Selects the trigger slope when the trigger mode is Triggered and the
trigger source is External.
H
Rise. The trigger occurs at the rising edge of the trigger signal.
H
Fall. The trigger occurs at the falling edge of the trigger signal.
H
Rise and Fall. The trigger occurs at the rising edge of the trigger signal to
acquire the first block, and at the falling edge to acquire the next block. The
rising and falling edges alternate at each block acquisition.
H
Fall and Rise. The trigger occurs at the falling edge of the trigger signal to
acquire the first block, and at the rising edge to acquire the next block. The
rising and falling edges alternate at each block acquisition.
Trigger level
Rise
Trigger occurs
Fall
Figure 3- 69: Trigger level and slope
Position.
Available when the trigger mode is set to Triggered. Specifies the
position of the trigger in a block as a percentage of all the frames in the block.
For example, if you set the trigger position to 50%, the trigger occurs at the
center of the block, as shown in Figure 3--70.
Range: 0 to 100% in 1% step.
1 block
Time
Trigger occurs
Acquisition completed
Position setting
Figure 3- 70: Trigger position