Tektronix WCA230A, Programmer'S Manual

Page: 294 / 678

:FETCh Commands
2- 268
WCA230A & WCA280A Programmer Manual
:FETCh:RFID? (Query Only)
Returns the results of a selected measurement in the RFID analysis.
:FETCh:RFID? { CARRier | PODown | BPODown | RFENvelope
| BRFenvelope | CONSte | EYE | STABle | PSTable }
The arguments indicate the measurements as shown in Table 2--38.
Table 2- 38: RFID measurement selections
Argument Measurement
CARRier Carrier
PODown Power on/down (ASCII format)
BPODown Power on/down (Binary format)
RFENvelope RF envelope (ASCII format)
BRFenvelope RF envelope (Binary format)
CONSte Constellation
EYE Eye diagram
STABle Symbol table
PSTable Preamble of the symbol table
Returns are listed below for each of the arguments:
CARRier.
<Cfreq>,<Obw>,<Ebw>,<Max_EIRP>
Where
<Cfreq>::=<NRf>
is the carrier frequency in Hz.
<Obw>::=<NRf>
is the occupied bandwidth in Hz.
<Ebw>::=<NRf>
is the emission bandwidth in Hz.
<Max_EIRP>::=<NRf>
is the maximum EIRP in dBm.
PODown.
<Srate>,<Esrate>,<Count>{,<Index>,<Rise/Fall>,<Time>,
<Settling>,<Over>,<Under>,<Offset>}
Where
<Srate>::=<NRf>
is the actual sample rate in Hz.
<Esrate>::=<NRf>
is the effective sample rate in Hz.
<Count>::=<NR1>
is the count of data sets that follow (0 to 64).
<Index>::=<NR1>
is the index number.
<Rise/Fall>::=<NR1>
indicates rise (0) or fall (1) time.
Syntax
Arguments
Returns