Rohde & Schwarz SMB100A - Adjustment of Internal Reference Frequency

Instrument Function
R&S
®
SMB100A
120Operating Manual 1407.0806.32 ─ 13
5.3.4.1 Reference Oscillator Dialog
To open the "Reference Oscillator" dialog, select "RF > Configure > Reference Oscilla-
tor" or use the MENU key under "RF".
The menu is used to select the source and to adjust the reference frequency. In case an
external source is selected, the reference frequency is displayed.
Source - Reference Oscillator
Selects the source of the reference frequency.
"Internal"
The internal reference signal of 10 MHz is used, comprising either the
calibrated or a user-defined adjustment value.
"External"
An external reference signal is used. The frequency of the external ref-
erence signal must be selected under "External Reference Fre-
quency".
Remote command:
[:SOURce]:ROSCillator:SOURce on page 367
Deactivate RF Output - Reference Oscillator
Determines if the RF output is switched off in case of a missing external reference signal
for selection external source.
If enabled, this setting ensures that no improper RF signal due to the missing external
reference signal is output and used for measurements.
In addition to the error message "Ext Ref missing", the information "RF output deactiva-
ted" is indicated.
This setting is not influenced by a reset.
Remote command:
[:SOURce]:ROSCillator:EXTernal:RFOFf[:STATe] on page 366
External Reference Frequency
Selects the frequency of the external reference signal. You can select an external refer-
ence signal having a frequency of 5 MHz or 10 MHz.
Note: The installed hardware determines the available settings. Use the Hardware Con-
fig dialog to check the hardware the instrument is equipped with.
For information on the required hardware revision, refer to the release notes.
Remote command:
[:SOURce]:ROSCillator:EXTernal:FREQuency on page 365
Synchronization Bandwidth - RF Signal
(Source External only)
RF Block