The :CALCulate{1-16}:AFCW (Advanced Fast CW) subsystem provides remote commands to control Advanced Fast CW measurements.
AFCW requires installation of Option 35 and Option 46. AFCW uses the high speed digitizer option to reach maximum acquisition rates of 100 million measurements/sec (adjustable to as slow as < million samples/sec). This mode is always buffered and is accessible from both the user interface and remotely using the commands listed below.
Raw data exporting is available as is pre-processing over variable measurement widths and time ranges.
The maximum buffer size is 50 million measurements in each of four receiver channels (200 million measurements total) without the memory addition of Option 36 and 200 million measurements per receiver (800 million measurements total) with Option 36.
:CALCulate{1-16}:AFCW:CDURation <NRf>
:CALCulate{1-16}:AFCW:CDURation?
Description
Sets the Capture Duration for Advanced Fast CW on the indicated channel.
Returns the Capture Duration for Advanced Fast CW on the indicated channel.
Cmd Parameters
<NRf> The input parameter is in Seconds.
Query Parameters
NA
Query Output:
<NR3> The output is in Seconds.
Range
Dependent on the Sampling Interval of the current channel.
Minimum is 0 and Maximum can range from 500 ms to 14 seconds (without Option 36 – Expanded Digitizer Memory).
Minimum is 0 seconds and Maximum is 2.5 seconds to 70 seconds. (with Option 36 – Expanded Digitizer Memory).
Default Value
2E-1
Syntax Example
:CALC1:AFCW:CDUR 1E-1
:CALC1:AFCW:CDUR?
:CALCulate{1-16}:AFCW:DELay{1-8} <NRf>
:CALCulate{1-16}:AFCW:DELay{1-8}?
Description
Sets the measurement start delay for Advanced Fast CW on an indicated channel and receiver. This applies to both Point-to-Point mode or Full Time Record mode.
Returns the measurement start delay for of Advanced Fast CW on an indicated channel and receiver. This applies to both Point-to-Point mode or Full Time Record mode.
Only A1, A2, B1, B2 are allowed receivers for AFCW on a 2-port system.
Receiver definitions:
1 = A1
2 = A2
3 = A3
4 = A4
5 = B1
6 = B2
7 = B3
8 = B4
Cmd Parameters
<NRf> The input parameter is in Seconds.
Query Parameters
NA
Query Output:
<NR3> The output is in Seconds.
Range
0 s to 2 * Sampling Interval * 108 s in 2.5 ns increments
Resolution in pulse modes is equivalent to Sampling Interval in Advanced Fast CW.
Default Value
0
Syntax Example
:CALC1:AFCW:DEL1 1E-1
:CALC1:AFCW:DEL1?
:CALCulate{1-16}:AFCW:ESM <char>
:CALCulate{1-16}:AFCW:ESM?
Description
Sets the External Sync Marking type for Advanced Fast CW on the indicated channel.
Returns the External Sync Marking type for Advanced Fast CW on the indicated channel.
Command definitions:
• OFF: External Sync Marking is Off
• RIS: External Rising
• FAL: External Falling
Cmd Parameters
<char> OFF | RIS | FAL
Query Parameters
NA
Query Output:
<char> OFF | RIS | FAL
Range
NA
Default Value
OFF
Syntax Example
:CALC1:AFCW:ESM RIS
:CALC1:AFCW:ESM?
:CALCulate{1-16}:AFCW:ISAM <NRf>
:CALCulate{1-16}:AFCW:ISAM?
Description
Sets the Sampling Interval for Advanced Fast CW acquisition on the indicated channel.
Returns the sampling interval for Advanced Fast CW acquisition on the indicated channel.
Cmd Parameters
<NRf> The input parameter is in Seconds.
Query Parameters
NA
Query Output:
<NR3> The output parameter is in Seconds.
Range
2.5E-9 to 70E-9
Default Value
2.5253E-9
Syntax Example
:CALC1:AFCW:ISAM 20E-9
:CALC1:AFCW:ISAM?
:CALCulate{1-16}:AFCW:ISYN <NRf>
:CALCulate{1-16}:AFCW:ISYN?
Description
Sets the Sync Interval for Advanced Fast CW on the indicated channel.
Returns the Sync Interval for Advanced Fast CW on an indicated channel.
Cmd Parameters
<NRf> The input parameter is in Seconds.
Query Parameters
NA
Query Output:
<NR3> The output parameter is in Seconds.
Range
20 ns to Sampling Interval * 108 s in 2.5 ns increments
Resolution in pulse modes is equivalent to Sampling Interval in Advanced Fast CW.
Default Value
1E-3
Syntax Example
:CALC1:AFCW:ISYN 4E-5
:CALC1:AFCW:ISYN?
:CALCulate{1-16}:AFCW:MODe <char>
:CALCulate{1-16}:AFCW:MODe?
Description
Sets the active mode for Advanced Fast CW on the indicated channel.
Returns the active mode for Advanced Fast CW on the indicated channel.
The active mode definitions are:
• PBP = Point by Point
• FTR = Full Time Record
Cmd Parameters
<char> PBP | FTR
Query Parameters
NA
Query Output:
<char> PBP | FTR
Range
NA
Default Value
PBP
Syntax Example
:CALC1:AFCW:MOD PBP
:CALC1:AFCW:MOD?
:CALCulate{1-16}:AFCW:MWIDth{1-8} <NRf>
:CALCulate{1-16}:AFCW:MWIDth{1-8}?
Description
Sets the measurement width for Advanced Fast CW on an indicated channel and receiver.
Returns the measurement width for Advanced Fast CW on an indicated channel and receiver.
Only A1, A2, B1, B2 are allowed receivers for AFCW on a 2-port system.
Receiver definitions:
1 = A1
2 = A2
3 = A3
4 = A4
5 = B1
6 = B2
7 = B3
8 = B4
Cmd Parameters
<NRf> The input parameter is in Seconds.
Query Parameters
NA
Query Output:
<NR3> The output is in Seconds.
Range
2.5 ns to 1 * Resolution * 108 s in 2.5 ns increments
Max should scale with sampling interval and equal to acquisition length maximum.
Default Value
1E-6
Syntax Example
:CALC1:AFCW:MWID1 2E-6
:CALC1:AFCW:MWID1
:CALCulate{1-16}:AFCW:POINts <NRf>
:CALCulate{1-16}:AFCW:POINts?
Description
Sets the number of points for Advanced Fast CW on the indicated channel.
Returns the number of points for Advanced Fast CW on the indicated channel
Cmd Parameters
<NRf> The input parameter is a unitless number.
Query Parameters
NA
Query Output:
<NR1> The output is an integer.
Range
1 to 25,000 or 1 to 100,000 (in 100K Mode)
Default Value
1
Syntax Example
:CALC1:AFCW:POIN 51
:CALC1:AFCW:POIN?
:CALCulate{1-16}:AFCW:RDEX:BDIRectory <string>
:CALCulate{1-16}:AFCW:RDEX:BDIRectory?
Description
Sets the target directory for Raw Data Export in binary format for Advanced Fast CW on the indicated channel.
Returns target directory for Raw Data Export in binary format for Advanced Fast CW on the indicated.
Cmd Parameters
<string> The input parameter is path to a directory.