VectorStar™ MS464xB Series Microwave Vector Network Analyzer Programming Manual : SCPI Commands : :SENSe{1-16}:FSEGMent Subsystem
 
:SENSe{1-16}:FSEGMent Subsystem
The :SENSe{1-16}:FSEGMent subsystem commands are used to configure the active frequency-based segment.
Limit Line and Segment Subsystems
Related limit line and segment configuration and control subsystems are:
:CALCulate{1-16}[:SELected]:LIMit Subsystem
:DISPlay Subsystem
:SENSe{1-16}:FSEGMent Subsystem.
:SENSe{1-16}:FSEGMent{1-50} Subsystem.
:SENSe{1-16}:ISEGMent Subsystem.
:SENSe{1-16}:ISEGMent{1-50} Subsystem.
:SENSe{1-16}:SEGMent Subsystem
:SENSe{1-16}:FSEGMent:ADD
Description
Adds a new frequency-sweep segment at the end of the frequency-based segment table.
No query.
The Minimum Instrument Frequency (Fmin) depends on the instrument installed options. The Maximum Instrument Frequency (Fmax) depends on the instrument model.
See Minimum/Maximum Instrument Frequency and Related Parameters for frequency limits for combinations of instrument model and available options. The Minimum Frequency Step Size is equal to 1 Hz.
Cmd Parameters
NA
Range
The range depends on the segment sequence and location:
Minimum Segment Range = 2 Hz
Minimum Segment Points = 2 points
For first segment, Minimum Segment Frequency = Minimum Instrument Frequency.
For highest frequency entered, Maximum Segment Frequency = Maximum Instrument Frequency.
For the first segment entered, the Maximum Segment Range = Maximum Instrument Range = (Maximum Instrument Frequency minus Minimum Instrument Frequency).
Default Value
NA
Syntax Example
:SENS1:FSEGM:ADD
:SENSe{1-16}:FSEGMent:AVERage:COUNt <NRf>
:SENSe{1-16}:FSEGMent:AVERage:COUNt?
Description
Sets the sweep averaging count in the last frequency-based segment being defined on the indicated channel.
Returns the sweep averaging count in the last frequency-based segment being defined on the indicated channel.
Cmd Parameters
<NRf> The input parameter is a unitless number.
Query Parameters
<NR1> The output parameter is an integer.
Range
1 to 1024
Default Value
1
Syntax Example
:SENS1:FSEGM:AVER:COUN 1.01E2
:SENS1:FSEGM:AVER:COUN?
:SENSe{1-16}:FSEGMent:BWIDth[:RESolution] <NRf>
:SENSe{1-16}:FSEGMent:BWIDth[:RESolution]?
Description
Sets the IF bandwidth in the last frequency-based segment being defined on the indicated channel.
Returns the IF bandwidth in the last frequency-based segment being defined on the indicated channel.
The system will automatically select the closest IF bandwidth from the following options:
1, 3, 10, 30, 100, 300 Hz
1, 3, 10, 30, 100, 300 kHz
1 MHz
Cmd Parameters
<NRf> The input parameter is in Hertz.
Query Parameters
<NR3> The output parameter is in Hertz.
Range
1 to 1E6
Default Value
1.00000000000E+005
Syntax Example
:SENS1:FSEGM:BWID 3.0E3
:SENS1:FSEGM:BWID?
:SENSe{1-16}:FSEGMent:CLEar
Description
Clears all currently defined segments from the frequency-based segment table, leaving a default segment.
No query.
Cmd Parameters
NA
Range
NA
Default Value
NA
Syntax Example
:SENS1:FSEGM:CLE
:SENSe{1-16}:FSEGMent:COUNt?
Description
Query only.
Returns the number of segments in the frequency-based segmented sweep on the indicated channel.
Query Parameters
<NR1> The output parameter is an integer.
Range
1 to 50
Default Value
1
Syntax Example
:SENS1:FSEGM:COUN?
:SENSe{1-16}:FSEGMent:CWMODe[:STATe] <char>
:SENSe{1-16}:FSEGMent:CWMODe[:STATe]?
Description
Sets the CW mode on/off state in the last frequency-based segment being defined on the indicated channel. If CW mode is set, segment has only 1 point.
Returns the CW mode on/off state in the last frequency-based segment being defined on the indicated channel.
Cmd Parameters
<char> 1 | 0 | ON | OFF
Query Parameters
<char> 1 | 0
Range
NA
Default Value
0
Syntax Example
:SENS1:FSEGM:CWMOD ON
:SENS1:FSEGM:CWMOD?
 
:SENSe{1-16}:FSEGMent:DATA?
Description
Query only.
Returns the frequency-based segmented sweep table on the indicated channel.
Query Parameters
See definition of <block> or <arbitrary block>.
Range
NA
Default Value
NA
Syntax Example
:SENS1:FSEGM:DATA?
:SENSe{1-16}:FSEGMent:DISPlay <char>
:SENSe{1-16}:FSEGMent:DISPlay?
Description
Sets the frequency/index display mode for the frequency-based segmented sweep on the indicated channel.
Returns the frequency/index display mode for the frequency-based segmented sweep on the indicated channel.
Cmd Parameters
<char> FREQbase | INDEXbase
Query Parameters
<char> FREQ | INDEX
Range
NA
Default Value
FREQ
Syntax Example
:SENS1:FSEGM:DISP FREQ
:SENS1:FSEGM:DISP?
:SENSe{1-16}:FSEGMent:DISPlay:AVERaging[:STATe] <char>
:SENSe{1-16}:FSEGMent:DISPlay:AVERaging[:STATe]?
Description
Sets the on/off state of the display of the averaging number in all segment tables of the indicated channel.
Returns the on/off status of the display of the averaging number in all segment tables of the indicated channel
Cmd Parameters
<char> 1 | 0 | ON | OFF
Query Parameters:
<char> 1 | 0
Range
NA
Default Value
ON
Syntax Example
:SENS:FSEGM:DISP:AVER OFF
:SENS:FSEGM:DISP:AVER?
:SENSe{1-16}:FSEGMent:DISPlay:IFBW[:STATe] <char>
:SENSe{1-16}:FSEGMent:DISPlay:IFBW[:STATe]?
Description
Sets the on/off state of the display of the IF Bandwidth in all segment tables of the indicated channel.
Returns the on/off status of the display of the IF Bandwidth in all segment tables of the indicated channel.
Cmd Parameters
<char> 1 | 0 | ON | OFF
Query Parameters:
<char> 1 | 0
Range
NA
Default Value
ON
Syntax Example
:SENS:FSEGM:DISP:IFBW ON
:SENS:FSEGM:DISP:IFBW?
:SENSe{1-16}:FSEGMent:DISPlay:POWer[:STATe] <char>
:SENSe{1-16}:FSEGMent:DISPlay:POWer[:STATe]?
Description
Sets the on/off state of the display of the Port Power in all segment tables of the indicated channel.
Returns the on/off status of the display of the Port Power in all segment tables of the indicated channel.
Cmd Parameters
<char> 1 | 0 | ON | OFF
Query Parameters:
<char> 1 | 0
Range
NA
Default Value
ON
Syntax Example
:SENS:FSEGM:DISP:POW ON
:SENS:FSEGM:DISP:POW?
:SENSe{1-16}:FSEGMent:FREQuency:ACTive:STARt?
Description
Query only.
Returns the start frequency of the first active frequency-based segment on the indicated channel.
The output result is affected the by segment on/off status.
The Minimum Instrument Frequency (Fmin) depends on the instrument installed options.The Maximum Instrument Frequency (Fmax) depends on the instrument model. See Minimum/Maximum Instrument Frequency and Related Parameters for frequency limits for combinations of instrument model and available options.
The Minimum Frequency Step Size is equal to 1 Hz.
Query Parameters
<NR3> The output parameter is in Hertz.
Range
Minimum Instrument Frequency to (Maximum Instrument Frequency minus Minimum Frequency Step Size)
Default Value
The default value depends on installed option:
With Low Frequency Extension Option 70 = 7.00000000000E+004
Without Option 70 = 10 MHz
Syntax Example
:SENS1:FSEGM:FREQ:ACT:STAR?
 
:SENSe{1-16}:FSEGMent:FREQuency:ACTive:STOP?
Description
Query only.
Returns the stop frequency of the last active frequency-based segment on the indicated channel.
The output result is affected the by segment on/off status.
The Minimum Instrument Frequency (Fmin) depends on the instrument installed options. The Maximum Instrument Frequency (Fmax) depends on the instrument model. See Minimum/Maximum Instrument Frequency and Related Parameters for frequency limits for combinations of instrument model and available options.
The Minimum Frequency Step Size is equal to 1 Hz.
Query Parameters
<NR3> The output parameter is in Hertz.
Range
(Minimum Instrument Frequency + Minimum Frequency Step Size) to Maximum Instrument Frequency
Default Value
1.00000000000E+010
Syntax Example
:SENS1:FSEGM:FREQ:ACT:STOP?
:SENSe{1-16}:FSEGMent:FREQuency:FSTArt <NRf>
:SENSe{1-16}:FSEGMent:FREQuency:FSTArt?
Description
Sets the start frequency in the last frequency-based segment being defined on the indicated channel.
Returns the Segment Start Frequency in the last frequency-based segment being defined on the indicated channel.
The Minimum Instrument Frequency (Fmin) depends on the instrument installed options. The Maximum Instrument Frequency (Fmax) depends on the instrument model. See Minimum/Maximum Instrument Frequency and Related Parameters for frequency limits for combinations of instrument model and available options.
The Minimum Frequency Step Size is equal to 1 Hz.
Cmd Parameters
<NRf> The input parameter is in Hertz.
Query Parameters
<NR3> The output parameter is in Hertz.
Range
Minimum Instrument Frequency to (Maximum Instrument Frequency minus Minimum Frequency Step Size)
Default Value
7.00000000000E+004
Syntax Example
:SENS1:FSEGM:FREQ:FSTA 2.0E9
:SENS1:FSEGM:FREQ:FSTA?
:SENSe{1-16}:FSEGMent:FREQuency:FSTEp <NRf>
:SENSe{1-16}:FSEGMent:FREQuency:FSTEp?
Description
Sets the Segment Frequency Step Size in the last frequency-based segment being defined on the indicated channel.
Returns the Segment Frequency Step Size in the last frequency-based segment being defined on the indicated channel.
The Minimum Instrument Frequency (Fmin) depends on the instrument installed options. The Maximum Instrument Frequency (Fmax) depends on the instrument model. See Minimum/Maximum Instrument Frequency and Related Parameters for frequency limits for combinations of instrument model and available options.
The Minimum Frequency Step Size is equal to 1 Hz.
Cmd Parameters
<NRf> The input parameter is in Hertz.
Query Parameters
<NR3> The output parameter is in Hertz.
Range
Minimum Frequency Step Size to (Maximum Instrument Frequency minus Minimum Instrument Frequency)
Default Value
The default value depends on installed option:
With Low Frequency Extension Option 70 = 7.14280714286E+008
Without Option 70 = 7.13571428571E+008
Syntax Example
:SENS1:FSEGM:FREQ:FSTE 10.0E3
:SENS1:FSEGM:FREQ:FSTE?
:SENSe{1-16}:FSEGMent:FREQuency:FSTOp <NRf>
:SENSe{1-16}:FSEGMent:FREQuency:FSTOp?
Description
Sets the Segment Stop Frequency in the last frequency-based segment being defined on the indicated channel.
Returns the Segment Stop Frequency in the frequency-based segment being defined on the indicated channel.
The Minimum Instrument Frequency (Fmin) depends on the instrument installed options. The Maximum Instrument Frequency (Fmax) depends on the instrument model. See Minimum/Maximum Instrument Frequency and Related Parameters for frequency limits for combinations of instrument model and available options.
The Minimum Frequency Step Size is equal to 1 Hz.
Cmd Parameters
<NRf> The input parameter is in Hertz.
Query Parameters
<NR3> The output parameter is in Hertz.
Range
(Minimum Instrument Frequency + Minimum Frequency Step Size) to Maximum Instrument Frequency
Default Value
1.00000000000E+010
Syntax Example
:SENS1:FSEGM:FREQ:FSTO 10.0E9
:SENS1:FSEGM:FREQ:FSTO?
:SENSe{1-16}:FSEGMent:FREQuency:STARt <NRf>
:SENSe{1-16}:FSEGMent:FREQuency:STARt?
Description
Sets the Segment Start Frequency of the frequency-based segmented sweep on the indicated channel.
Returns the Segment Start Frequency of the frequency-based segmented sweep on the indicated channel.
The Minimum Instrument Frequency (Fmin) depends on the instrument installed options. The Maximum Instrument Frequency (Fmax) depends on the instrument model. See Minimum/Maximum Instrument Frequency and Related Parameters for frequency limits for combinations of instrument model and available options.
The Minimum Frequency Step Size is equal to 1 Hz.
Cmd Parameters
<NRf> The input parameter is in Hertz.
Query Parameters
<NR3> The output parameter is in Hertz.
Range
Minimum Instrument Frequency to (Maximum Instrument Frequency minus Minimum Frequency Step Size)
Default Value
7.00000000000E+004
Syntax Example
:SENS1:FSEGM:FREQ:STAR 10.0E9
:SENS1:FSEGM:FREQ:STAR?
:SENSe{1-16}:FSEGMent:FREQuency:STOP <NRf>
:SENSe{1-16}:FSEGMent:FREQuency:STOP?
Description
On the indicated channel, sets the Segment Stop Frequency of the frequency-based segmented sweep. On the indicated channel, outputs the Segment Stop Frequency of the frequency-based segmented sweep. Available range is limited by the range of the existing segments. The Minimum Instrument Frequency (Fmin) depends on the instrument installed options. The Maximum Instrument Frequency (Fmax) depends on the instrument model. See Minimum/Maximum Instrument Frequency and Related Parameters for frequency limits for combinations of instrument model and available options. The Minimum Frequency Step Size is equal to 1 Hz.
Cmd Parameters
<NRf> The input parameter is in Hertz.
Query Parameters
<NR3> The output parameter is in Hertz.
Range
(Minimum Instrument Frequency + Minimum Frequency Step Size) to Maximum Instrument Frequency
Default Value
1.00000000000E+010
Syntax Example
:SENS1:FSEGM:FREQ:STOP 20.0E9
:SENS1:FSEGM:FREQ:STOP?
:SENSe{1-16}:FSEGMent:FREQuency[:CW][:FIXed] <NRf>
:SENSe{1-16}:FSEGMent:FREQuency[:CW][:FIXed]?
Description
Sets the CW Segment Frequency in the last frequency-based segment being defined on the indicated channel.
Returns the CW Segment Frequency in the frequency-based segment being defined on the indicated channel.
The Minimum Instrument Frequency (Fmin) depends on the instrument installed options. The Maximum Instrument Frequency (Fmax) depends on the instrument model. See Minimum/Maximum Instrument Frequency and Related Parameters for frequency limits for combinations of instrument model and available options.
The Minimum Frequency Step Size is equal to 1 Hz.
Cmd Parameters
<NRf> The input parameter is in Hertz.
Query Parameters
<NR1> The output parameter is in Hertz.
Range
Minimum Instrument Frequency to Maximum Instrument Frequency
Default Value
70000
Syntax Example
:SENS1:FSEGM:FREQ 10.0E6
:SENS1:FSEGM:FREQ?
 
:SENSe{1-16}:FSEGMent:MAXPoints?
Description
Query only.
Returns the total number of sweep points in the frequency-based segments on the indicated channel.
For MS464xB Series VNAs, the Maximum Instrument Points (MIP) is either 25,000 or 100,000 points depending on the current MIP setting. The MIP setting is available from the front panel user interface at:
MAIN | System | SYSTEM | Setup | SETUP | Max Points Setup | MAX POINTS
If the setting is changed from its current setting, a full instrument reboot is required.
Query Parameters
<NR1> The output parameter is an integer.
Range
Range depends on if CW mode is set:
If CW is set, range equals 1 (one) point.
If in sweep mode or non-CW mode, range is from 2 (two) points to Maximum Instrument Points.
Default Value
15
Syntax Example
:SENS1:FSEGM:MAXP?
:SENSe{1-16}:FSEGMent:MODBB:POWer:PORT{1-4} <NRf>
:SENSe{1-16}:FSEGMent:MODBB:POWer:PORT{1-4}?
Description
The use of this command requires a MS4647B VNA equipped with Option 80/81.
Sets the greater than 54 GHz power level on the frequency-based segment being defined on the indicated port and channel.
Returns the greater than 54 GHz power level on the frequency-based segment being defined on the indicated port and channel.
Cmd Parameters
<NRf> The input parameter is in dBm.
Query Parameters
NA
Output
<NR3> The output parameter is in dBm.
Range
–60 to +30 dBm
Default Value
The default value depends on model and installed options:
MS4647B with Option 51 or 6x = –10 dBm
MS4647B without Option 51 or 6x = –3 dBm
Syntax Example
:SENS1:FSEGM:MODBB:POW:PORT1 3.0E0
:SENS1:FSEGM:MODBB:POW:PORT1?
 
:SENSe{1-16}:FSEGMent:POINt?
Description
Query only.
Returns the displayed number of sweep points in the frequency-based segments on the indicated channel,.
For MS464xB Series VNAs, the Maximum Instrument Points (MIP) is either 25,000 or 100,000 points depending on the current MIP setting. The MIP setting is available from the front panel user interface at:
MAIN | System | SYSTEM | Setup | SETUP | Max Points Setup | MAX POINTS
If the setting is changed from its current setting, a full instrument reboot is required.
Query Parameters
<NR1> The output parameter is an integer.
Range
The range depends on if CW mode is set:
If CW is set, range equals 1 (one) point.
If in sweep mode or non-CW mode is set, range is from 2 (two) points to Maximum Instrument Points.
Default Value
15
Syntax Example
:SENS1:FSEGM:POIN?
:SENSe{1-16}:FSEGMent:POWer:PORT{1-4}[:LEVel][:IMMediate][:AMPlitude] <NRf>
:SENSe{1-16}:FSEGMent:POWer:PORT{1-4}[:LEVel][:IMMediate][:AMPlitude]?
Description
The use of Port 3 and/or Port 4 requires a 4-port VNA instrument.
Sets the power level on the last frequency-based segment being defined on the indicated port and channel.
Returns the power level in the last frequency-based segment being defined on the indicated port and channel.
Cmd Parameters
<NRf> The input parameter is in dBm.
Query Parameters
<NR3> The output parameter is in dBm.
Range
–30 to +30
Default Value
Default value depends on model and installed options:
MS4645B or MS4647B with Option 51 or 6x = –10 dBm
MS4645B or MS4647B without Option 51 or 6x = –3 dBm
MS4642B and MS4644B = +5 dBm
Syntax Example
:SENS1:FSEGM:POW:PORT1 3.0E0
:SENS1:FSEGM:POW:PORT1?
:SENSe{1-16}:FSEGMent:SPAntype <char>
:SENSe{1-16}:FSEGMent:SPAntype?
Description
Sets the Segment Span Type of the last frequency-based segment being defined to the specified span type on the indicated port and channel.
Returns the Segment Span Type of the last frequency-based segment being defined on the indicated port and channel.
STARTSTOP Selected
If STARTSTOP is selected, each segment is defined by the:
Segment Start Frequency
Segment Stop Frequency
Number of Segment Points
STARTSTEP Selected
If STARTSTEP is selected, each segment is defined by the:
Start Segment Frequency
Frequency Step Size
Number of Segment Points
Cmd Parameters
<char> STARTSTOP | STARTSTEP
Query Parameters
<char> STARTSTOP | STARTSTEP
Range
NA
Default Value
STARTSTOP
Syntax Example
:SENS1:FSEGM:SPA STARTSTOP
:SENS1:FSEGM:SPA?
:SENSe{1-16}:FSEGMent:SWEep:MAXimize
Description
Maximizes the frequency range of the frequency-based segmented sweep on the indicated channel.
No query.
Cmd Parameters
NA
Range
NA
Default Value
NA
Syntax Example
:SENS1:FSEGM:SWE:MAX
:SENSe{1-16}:FSEGMent:SWEep:POINt <NR1>
:SENSe{1-16}:FSEGMent:SWEep:POINt?
Description
On the indicated channel, sets the number of Segment Sweep Points in the last frequency-based segment being defined on the indicated channel.
Returns the number of sweep points in the last frequency-based segment being defined on the indicated channel.
If frequency-sweep is set, the range is from 2 (two) points to the Maximum Instrument Points. If the separation between the segment start and stop frequencies is 1 Hz, the number of points is 2 (two).
If CW is set, the number of points is 1 (one). For MS464xB Series VNAs, the Maximum Instrument Points (MIP) is either 25,000 or 100,000 points depending on the current MIP setting.
The MIP setting is available from the front panel user interface at:
MAIN | System | SYSTEM | Setup | SETUP | Max Points Setup | MAX POINTS
If the setting is changed from its current setting, a full instrument reboot is required.
Cmd Parameters
<NR1> The input parameter is an integer.
Query Parameters
<NR1> The output parameter is an integer.
Range
The range depends on if the CW mode is set:
If CW is set, range = 1 (one) point.
If in sweep mode or non-CW mode) range = from 2 (two) points to Maximum Instrument Points.
Default Value
15 or 1 depending on span type.
Syntax Example
:SENS1:FSEGM:SWE:POIN 1.01E2
:SENS1:FSEGM:SWE:POIN?
:SENSe{1-16}:FSEGMent[:STATe] <char>
:SENSe{1-16}:FSEGMent[:STATe]?
Description
Sets the on/off state of the last frequency-based segment being defined on the indicated channel.
Returns the on/off state of the last frequency-based segment being defined on the indicated channel.
Cmd Parameters
<char> 1 | 0 | ON | OFF
Query Parameters
<char> 1 | 0
Range
NA
Default Value
1
Syntax Example
:SENS1:FSEGM ON
:SENS1:FSEGM?