HP E1440A - Page 79

- [SOURce]
This command defines the frequency characteristics of an output
:FREQuency
signal.
Subsystem Syntax [:SOURcel
:FREQuency
[:CW 1 FIXed] <numeric value>
:MODE CW
I FIXed ( SWEep I LIST
: STARt <numeric value>
:STOP <numeric value>
: CENTer <numeric value>
:SPAN <numeric value>
:HOLD <boolean>
:LINK
CENTer
I STARt ( STOP
:FULL <event
>
:FREQuency[:CW I
This command sets non-swept frequency of the instrument output
:FIX&]
signal. The value is specified by a digital number representing Hz i.e.
10000 specifies 10kHz.
:FREQuency:MODE
Determines which set of commands control the frequency subsystem.
The settings have the following meanings:
rn CW I FIXed: the frequency is determined by :FREQ[:CW] or
:FREQ[:FIX].
rn Sweep: The source is in swept mode and frequency is determined
by :FREQ:STAR, :STOP, :CENT and :SPAN
rn LIST: The source is in list sequence mode and frequency is
determined by the :LIST:FREQ command.
:FREQuency :STARt
These two commands set the start and stop frequencies for a sweep.
:STOP
Changing the start frequency will change the centre and span settings
but not the stop.
Command Reference 5-17
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