R&S SMC100A RF Reference Frequency - Reference Oscillator
1411.4060.32 4.45 E-4
Source - Reference
Oscillator
Selects the source of the reference frequency.
Internal
T
he internal reference signal of 10 MHz is used.
Remote-control command:
SOUR:ROSC:SOUR INT
External
An external reference signal is used. The frequency
of the external reference signal must be selected
under External Reference Frequency.
Remote-control command:
SOUR:ROSC:SOUR EXT
External Reference
Frequency - Reference
Oscillator
Selects the frequency of the external reference signal.
Remote-control command:
SOUR:ROSC:EXT:FREQ 13E6
Adjustment Active -
Reference Oscillator
Source internal only
Activates the adjustment mode.
OFF
The calibrated adjustment value of the internal
reference frequency is used. This value is
determined at one of the R&S service shops during
calibration.
Remote-control command:
SOUR:ROSC:INT:ADJ:STAT OFF
On
A user-defined adjustment value is used. The value
is entered under Adjustment DAC Value.
This allows the frequency to be impaired freely, for
example to simulate a frequency error.
The instrument is no longer in the calibrated state.
However, the calibration value is not changed and
the instrument resumes the calibrated state after
switching the Adjustment state to OFF.
Remote-control command:
SOUR:ROSC:INT:ADJ:STAT ON
Adjustment DAC value
- Reference Oscillator
Enters a user-defined adjustment value for the internal reference
frequency. This value is not used unless Adjustment Active On is
selected.
Remote-control command:
SOUR:ROSC:INT:ADJ:VAL 1400
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