Specifications

User InterfaceGPS and Assisted GPS
71Operating Manual 1171.5248.12 ─ 15
"Chip"
A chip clock is supplied via the CLOCK connector.
"Multiple"
A multiple of the chip clock is supplied via the CLOCK connector; the
chip clock is derived internally from this.
The "Multiplier" window provided allows the multiplication factor to be
entered.
SCPI command:
[:SOURce<hw>]:BB:GPS:CLOCk:MODE on page 142
Clock Multiplier
Enters the multiplication factor for clock type "Multiple".
SCPI command:
[:SOURce<hw>]:BB:GPS:CLOCk:MULTiplier on page 143
Measured External Clock
Indicates the measured frequency of the external clock signal. This enables the user to
permanently monitor the frequency of the externally introduced clock.
This information is displayed only if the external clock source has been selected.
SCPI command:
CLOC:INP:FREQ?
3.6.5 Global Settings
The buttons in this section lead to submenu for general trigger, clock and mapping set-
tings.
This settings are available for R&S SMx and R&S AMU instruments only.
Global Trigger/Clock Settings
Calls the "Global Trigger/Clock/Input Settings" dialog.
This dialog is used among other things for setting the trigger threshold, the input impe-
dance and the polarity of the clock and trigger inputs.
In the case of two-path instruments, these settings are valid for both paths.
The parameters in this menu affect all digital modulations and standards, and are descri-
bed in chapter "Global Trigger/Clock/Input Settings" in the Operating Manual.
User Marker / AUX I/O Settings
Calls the "User Marker AUX I/O Settings" menu, used to map the connector on the rear
of the instruments.
See also "User Marker / AUX I/O Settings" in the Operating Manual.
Trigger/Marker/Clock Settings