HP E1340A User's Manual
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:CENTer [SOURce:]FREQuency:CENTer <center_freq> sets the center frequency
for a frequency-swept waveform.
Parameters
Parameter
Name
Parameter
Type
Range of
Values
Default
Units
center_freq numeric
see below
|
MINimum | MAXimum
Hz
The legal range for
center_freq, as well as the MINimum and MAXimum values,
are context-dependent. See the section “Coupling Rules” at the beginning of
the SOURce:FREQuency subsystem for a description of the coupling between
STARt, STOP, CENTer, and SPAN.
Comments • Executable when initiated: Query form only
• Coupled command: Yes
• Related Commands: SOURce:FREQuency:MODE, SPAN, STARt,
and
STOP, SOURce:FUNCtion:SHAPe, SOURce:ROSCillator
• *RST Condition: SOURce:FREQuency:CENTer 7.5 MHz
Example Setting the center frequency
FREQ:CENT 1E3 Set center frequency to 1000 Hz
[:CW|:FIXed] [SOURce:]FREQuency[:CW|:FIXed] <frequency> selects the non-swept
waveform frequency.
Parameters
Parameter
Name
Parameter
Type
Range of
Values
Default
Units
frequency
numeric
see below
|
MINimum | MAXimum
Hz
MINimum selects 0 Hz.
MAXimum selects the current reference oscillator frequency multiplied by
0.468749999767.
The above values bound the legal range for
frequency.
Comments • Executable when initiated: Query form only
• Coupled command: Yes
• Related Commands: SOURce:FREQuency:MODE,
SOURce:FUNCtion:SHAPe, SOURce:ROSCillator
• *RST Condition: SOURce:FREQuency:FIXed 10 kHz
Example Setting the waveform frequency
FREQ 1E3 Set frequency to 1000 Hz
[SOURce:]FREQuency:CENTer
Chapter 7 HP E1340A Command Reference 155