6 Input/Output
6.2 Input
is a complex operation. This will result in I Only data appearing as both "I" and "Q"
data, the same as that signal would appear if seen through the RF input port.
BBIQ is only supported in certain Modes and Measurements in the X-Series. When
I/Q is selected in a measurement that does not support it, the “No Result; Meas
invalid with I/Q inputs” message appears. This is error 135
Baseband I/Q Remote Language Compatibility
For the Agilent E4406A VSA Series Transmitter Tester, Option B7C provided
baseband I/Q inputs. Code compatibility has been provided to allow many of the
commands for Option B7C to function properly with X-Series. X-Series has
hardware differences and additional capabilities (for example, E4406A does not
have independent settings of I & Q, nor does it provide for probe calibrations), which
make 100% compatibility impossible.
The following commands are supported:
:CALibration:IQ:FLATness
:INPut:IMPedance:IQ U50 | B50 | U1M | B1M
:INPut:IMPedance:REFerence <integer>
[:SENSe]:FEED RF|IQ|IONLy|QONLy|AREFerence|IFALign supports all
parameters except IFALign. The FEED? query returns only RF|AIQ|AREF.
The following commands are not supported:
:CALibration:GIQ
:CALibration:IQ:CMR
:INPut:IQ:ALIGn OFF | ON | 0 | 1
The Rohde & Schwarz FSQ-B71 also provides baseband I/Q inputs. A certain
amount of code compatibility is provided in X-Series, but hardware differences
make this a somewhat limited set.
Supported:
The "<1|2>" is supported as "[1]".
INPut<1|2>:IQ:BALanced[:STATe] ON | OFF
INPut<1|2>:IQ:TYPE I | Q | IQ
INPut<1|2>:IQ:IMPedance LOW | HIGH
Not Supported:
DIAGnostic<1|2>:SERVice:IQ:CALibration:DC 0 | 0.1 | 0.178 | 0.316 | 0.562 | 1.0
DIAGnostic<1|2>:SERVice:IQ:CALibration:DESTination IHIGh | ILOW | QHIGh | QLOW
DIAGnostic<1|2>:SERVice:IQ:CALibration:PULSe: PRATe 10 kHz | … | 4 MHz
DIAGnostic<1|2>:SERVice:IQ:INPut IQ | GND | CALDc | CALPulse
Short Range Comms & IoT Mode User's &Programmer's Reference 2034
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