Racal Instruments 3152A, Руководство пользователя

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3152A User Manual
Using The Instrument 3-24 Racal Instruments
©
2001
Selecting the
Trigger Slope
The trigger slope command selects the sensitive edge of the
trigger signal that is applied to the TRIG IN connector. The
Model 3152A can be made sensitive to either positive or
negative transitions. Use the following command to select the
edge sensitivity for the trigger signal:
TRIGger: SLOPe {POSitive | NEGative}
Positive going transitions will trigger the Model 3152A when the
POS option is selected. Negative transitions will trigger the
Model 3152A when the NEG option is selected. POS is the
default slope.
The query:
TRIGger:SLOPe?
queries the trigger slope and returns POS or NEG.
Using the Trigger
Delay
The trigger delay command delays the output of a triggered or
burst waveform by a specified number of sample clock cycles by
a value of 10 to 2 million cycles. Actual delay is calculated by
SCLK
cycles
delays
f
D
T
=
where D
cycles
is the programmed delay and
f
SCLK
is the sample clock frequency setting. Enable or disable this
feature by setting the STATe:
TRIGger:DELay:STATe {OFF | ON}
TRIGger:DELay: <value>
The queries:
TRIGger:DELay:STATe?
TRIGger:DELay?
query the state of the trigger delay feature and the delay value.