Using The Instrument 3-19
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 3152 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 3152 when the POS
option is selected. Negative transitions will trigger the Model 3152
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 T
delay
= D
cycles
/ f
SCLK
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.
Revised 4/19/00
Selecting the Trigger
Level
The trigger level command sets the threshold level at the trigger
input connector. Trigger levels are adjustable from -10 V to +10 V
with up to 4 digits. Trigger level resolution is always 10 mV. Use the
following command to set the trigger level for the trigger signal:
TRIGger:LEVel <value>
Set the trigger level for the signal which is applied to the TRIG IN.
The default value is 1.6 V so there is not need to modify this value
if you apply a TTL level signal to the trigger input.
TRIGger:LEVel?
Query the trigger level. Returns a value in volts.
Summary of Contents for 3152
Page 16: ...Getting Started 1 7 Figure 1 1 Segment 1 Sin x x Waveform Figure 1 2 Segment 2 Sine Waveform...
Page 25: ...Configuring The Instrument 2 6 This page was intentionally left blank...
Page 63: ...Using The Instrument 3 38 This page was intentionally left blank...
Page 80: ...SCPI Command Reference 4 17 Figure 4 1 SCPI Status Registers...
Page 121: ...Specifications A 12 This page was intentionally left blank...