Boonton 4530 Peak Power Meter User Manual - Manual (Page 109)

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Boonton Electronics Chapter 4
4530 Series RF Power Meter Remote Operation
TRIGger:SLOPe
Description: Set or return the trigger slope or polarity. When set to POS, triggers will be generated when
a signal’s rising edge crosses the trigger level threshold. When NEG, triggers are generated
on the falling edge of the pulse.
Syntax: TRIGger:SLOPe <asc>
Argument: <asc> = NEG, POS
Valid Modes: Pulse mode only.
TRIGger:SOURce
Description: Set or return the trigger source used for synchronizing data acquisition. SENSOR1 and
SENSOR2 settings use the signal from either of the sensors. EXTERNAL uses the signal
applied to the instrument’s rear panel external trigger input. IMMEDIATE will trigger a new
sweep without any trigger edge as soon as the previous sweep is complete or the trigger
has been armed. BUS will trigger a new sweep when a *TRG command or GET signal is
received on the bus. BUS>SNSR1, BUS>SNSR2, and BUS>EXT will arm the hardware
trigger when a *TRG or GET is received, and will then trigger the sweep when a trigger edge
is detected on the specified input. Any settings containing SENSOR1, SENSOR2, or EXT
are considered electrical triggers, and are only valid in pulse mode.
Syntax: TRIGger:SOURce <asc>
Argument: <asc> = SENSOR1, SENSOR2, EXTERNAL, IMMEDIATE, BUS, BUS>SNSR1, BUS>SNSR2,
BUS>EXT
Valid Modes: Pulse mode only, except IMMEDIATE and BUS, which are valid in all modes.
TRIGger:CDF:COUNt
Description: Set or return the terminal count (sample population size) for statistical mode acquisition.
When the terminal count is reached, the CDF is considered “complete”, and the instrument
will halt acquisition if
INITiate:CONTinuous is set to OFF. If INITiate:CONTinuous is ON,
sample acquisition will continue in the manner specified by the TRIGger:CDF:DECImate
setting.
Syntax: TRIGger:CDF:COUNt <n>
Argument: <n> = 1 to 4000 million samples
Valid Modes: Statistical mode only.
TRIGger:CDF:DECImate
Description: Set or return the decimation when running continuously in statistical mode. This action
occurs when the terminal count is reached (as defined by
TRIGger:CDF:COUNt ), and
when set to OFF, the CDF will simply clear all data and restart. If set to ON, the entire sample
population will be decimated (divided by two), and new samples will be continue to accu-
mulate into this data set. Decimating has the effect of maintaining the “shape” of the CDF
while slowly decaying away the effect of past history and updating to include new events.
This setting works best with relatively small terminal counts (1 to 10 million counts).
Syntax: TRIGger:CDF:DECImate <asc>
Argument: <asc> = OFF, ON
Valid Modes: Statistical mode only.