290 Agilent X-Series Signal Generators SCPI Command Reference
Arb Commands
Dual ARB Subsystem–N5172B/82B ([:SOURce]:RADio:ARB)
*RST NONE
:MPOLarity:MARKer1|2|3|4
Supported N5172B/82B
[:SOURce]:RADio:ARB:MPOLarity:MARKer1|2|3|4 NEGative|POSitive
[:SOURce]:RADio:ARB:MPOLarity:MARKer1|2|3|4?
This command sets the polarity for the selected marker. For a positive marker polarity, the marker
signal is high during the marker points. For a negative marker polarity, the marker signal is high
during the period of no marker points.
Example
:RAD:ARB:MPOL:MARK3 NEG
The preceding example sets the polarity for marker 3 to negative.
*RST POS
:NOISe:BANDwidth
Supported N5172B/82B with Option 403
[:SOURce]:RADio:ARB:NOISe:BANDwidth <value><unit>
[:SOURce]:RADio:ARB:NOISe:BANDwidth?
This command selects the flat noise bandwidth value of the real–time noise for an ARB
waveform. Typically, this value is set slightly wider than the signal bandwidth. The minimum
increment value is 0.001 Hz.
*RST +1.00000000E+000
Key Entry Noise Bandwidth
:NOISe:CBRate
Supported N5172B/82B with Option 403
[:SOURce]:RADio:ARB:NOISe:CBRate <1bps - 999Mbps>
[:SOURce]:RADio:ARB:NOISe:CBRate?
This command sets a value of the carrier bit rate (gross bit rate) for purposes of calculating the
E
b
/N
0
(energy per bit over noise power density at the receiver). When the carrier to noise ratio
format is set to E
b
/N
0
(refer to the :NOISe:CNFormat command), the adjustment of the carrier bit rate
will have an immediate impact on the carrier to noise ratio as specified by E
b
/N
0
. The carrier bit rate
Key Entry None Marker 1 Marker 2 Marker 3 Marker 4
Key Entry Marker 1 Polarity Neg Pos Marker 2 Polarity Neg Pos Marker 3 Polarity Neg Pos
Marker 4 Polarity Neg Pos
Range Option 653 1 sa to 75 Msa
Option 655 1 sa to 150 Msa
Option 656 1 sa to 100 Msa
Option 657 1 sa to 200 Msa
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