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Source (Internal)
Freq Reference
This key allows you to toggle the state of the frequency reference. When the frequency reference state is
ON, an annunciator is displayed on the main source view to indicate this state to the user.
When you use a frequency reference, the signal generator outputs a frequency that is set relative to the
reference frequency by the value entered under Source>Frequency>Frequency as follows:
Output frequency = reference frequency + entered frequency
Where:
reference frequency equals the original RF frequency entered under Source>Frequency>Frequency and
set as the reference frequency
entered frequency equals a new value entered under Source>Frequency>Frequency
For more information on Reference Frequency refer to “Set Reference Frequency” on page 1170
Dependencies: This setting is unavailable, and is grayed out when the List Sequencer is
turned ON.
Initial S/W Revision: A.05.00
Key Path:
Source, Frequency
Remote Command: :SOURce:FREQuency:REFerence <freq>
:SOURce:FREQuency:REFerence?
:SOURce:FREQuency:REFerence:STATe OFF|ON|0|1
:SOURce:FREQuency:REFerence:STATe?
Example: SOUR:FREQ:REF 0.00 Hz
SOUR:FREQ:REF:STATe ON
Dependencies: This setting is unavailable, and is grayed out when the List Sequencer is
turned ON.
Couplings: The frequency reference state is coupled to the frequency reference set
immediate action. When the reference set immediate action key is pressed, or
the SCPI command issued, it turns the frequency reference state ON.
Preset: 0.00 Hz
OFF
Min: 0.00 Hz
Max: Hardware Dependant:
Option 503 = 3.6 GHz
Option 504 = 3.8 GHz
Initial S/W Revision: A.05.00