Trigger
R&S
®
RTM3000
84User Manual 1335.9090.02 ─ 09
Hysteresis
Sets a hysteresis range around the trigger level. Hysteresis avoids unwanted trigger
events caused by noise oscillation around the trigger level. The automatic, small,
medium, large hysteresis values depend on the vertical scale.
Hysteresis is not available if "Source" = "Extern".
Remote command:
TRIGger:A:HYSTeresis on page 463
Coupling
Sets the coupling for the trigger source.
"AC"
Alternating current coupling. A highpass filter removes the DC offset
voltage from the trigger signal.
"DC"
Direct current coupling. The trigger signal remains unchanged.
"LF Reject"
Sets the trigger coupling to high frequency. A 15 kHz highpass filter
removes lower frequencies from the trigger signal. Use this mode
only with very high frequency signals.
Remote command:
TRIGger:A:EDGE:COUPling on page 463
HF Reject
Enables or disables an additional 5 kHz lowpass filter in the trigger path. This filter
removes higher frequencies and is available with AC and DC coupling.
You can use either "HF Reject" or "Noise Reject".
Remote command:
TRIGger:A:EDGE:FILTer:HFReject on page 463
Noise Reject
Extends the hysteresis to avoid unwanted trigger events caused by noise oscillation
around the trigger level.
You can use either "HF Reject" or "Noise Reject".
Remote command:
TRIGger:A:EDGE:FILTer:NREJect on page 463
6.5 Edge A/B trigger
The edge A/B trigger is a sequence of two edge trigger conditions. The instrument trig-
gers if both edge trigger conditions (A and B) are fulfilled. You can configure a delay
between the A- and B-trigger.
► [Trigger] > "Trigger Type" = "Edge A/B" > "Trigger Setup"
Edge A/B trigger
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