6 Input/Output
6.1 RF Source
6.1.9.9 Rx/Tx Offset
Lets you offset the RF Output Frequency of the source from the Center Frequency of
the instrument. See "Rx/Tx Coupling" on page 1972 for coupling behavior.
Remote Command
:SOURce:FREQuency:COUPling:OFFSet <freq>
:SOURce:FREQuency:COUPling:OFFSet?
Example
:SOUR:FREQ:COUP:OFF 100 kHz
Dependencies Grayed-out when "Rx/Tx Coupling" on page 1972 is set to NONE. If the grayed-out control is selected,
the following message appears:
“The parameter cannot be changed when Rx/Tx Coupling is Off”
Only appears in Radio Test Mode
Preset 0 Hz (Input/Output Preset)
Min -6 GHz
Max Hardware Dependent:
Option 503 3.6 GHz
Option 504 3.8 GHz
Option 506 6.00 GHz
For E7760B: Dependent on port selected
For E6640A, if license 5WC is present, the frequency range should be limited to: 1.1GHz-1.7GHz,
2.4GHz-2.5GHz, 4.8GHz-6.0GHz. If the user-defined frequency is outside of range, UI reports an error
message: “Settings conflict; Frequency is outside available range”
6.1.10 Modulation
Lets you toggle the state of modulation.
Remote
Command
:OUTPut:MODulation[:STATe] ON | OFF | 1 | 0
:OUTPut:MODulation[:STATe]?
Example
:OUTP:MOD OFF
Notes This setting is for independent mode and has no effect on the "List Sequencer" on page 1931. If
Sequencer is ON, the List Sequencer controls the source output, and this key is grayed-out
When Sequencer is OFF, source leaves List Sequencer, and this setting is blanked out, taking effect
immediately
When Modulation is ON, the “MOD” annunciator is displayed in the system settings panel. When
Modulation is OFF, the “MOD” annunciator is cleared
If Sequencer is ON, the “MOD” annunciator will be replaced by “SEQ” in the system settings panel,
indicating that the output is controlled by List Sequencer
1973 Short Range Comms & IoT Mode User's &Programmer's Reference
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