Technical data

316 Agilent N8211A/N8212A Performance Upconverter Synthetic Instrument Module, 250 kHz to 20 / 40 GHz
10 Digital Modulation Commands
[:SOURce]:DM:EXTernal:SOURce?
Selects the I/Q signal source that is routed to the rear-panel I and Q output connectors.
EXTernal Routes a portion of the externally applied signals at the 50 ohm I and Q input
connectors to the rear-panel I and Q output connectors.
INTernal Backwards compatibility and performs the same function as the BBG1
selection.
EXT600 Routes a portion of the externally applied signals at the 600 ohm I and Q input
connectors to the rear-panel I and Q output connectors.
OFF Disables the output to the rear-panel I and Q output connectors.
The output is the analog component of the I and Q signals.
For selecting the I/Q source, refer to “:SOURce" on page 329.
Example
:DM:EXT:SOUR EXT
The example routes the I/Q signals to the external 50 ohm rear–panel output.
*RST EXT
:IQADjustment:DELay
Supported N8212A
[:SOURce]:DM:IQADjustment:DELay <delay_val>
[:SOURce]:DM:IQADjustment:DELay?
Sets a delay for both I and Q from the baseband to the I/Q outputs and to the RF output.
This will allow you to time shift the I/Q with respect to triggering and markers. The absolute
phase of both I and Q will change with respect to triggers and markers. A positive value
advances the I and Q phase. The range limits are dependent on the current modulation
format.
This feature is not compatible with constant envelope modulations and signals connected
to the external I/Q inputs.
The <delay_val> variable is expressed in seconds.
Example
:DM:IQAD:DEL .05SEC
The example sets a 50 mS delay for the I and Q signals.