GW Instek AFG-3000 Series - Manual (Page 245)

REMOTE INTERFACE
245
SOURce[1]:FREQuency:SPAN
Source Specific
Command
Description Sets and queries the frequency span of the sweep.
900 Hz is the default frequency span. The span
frequency is equal to the stop-start frequencies.
Note To sweep up or down, set the span as positive or
negative.
The maximum span frequency has a relationship
to the center frequency and maximum frequency:
max freq span= 2(max freq – center freq)
Syntax SOURce[1]:FREQuency:SPAN
{|MINimum|MAXimum}
Parameter 100μHz~ 80MHz(3081)/
50MHz(3051)100μHz~
1MHz (Ramp)
Example SOUR1:FREQ:SPAN +2.0000E+03
Sets the frequency span to 2kHz.
Query Syntax SOURce[1]:FREQuency:SPAN? [MINimum|
MAXimum]
Return Parameter Returns the frequency
span in Hz.
Example SOUR1:FREQ:SPAN?
+2.0000E+03
Returns the frequency span for the current sweep.
SOURce[1]:SWEep:SPACing
Source Specific
Command
Description Sets linear or logarithmic sweep spacing. The
default spacing is linear.
Syntax SOURce[1]:SWEep:SPACing {LINear|LOGarithmic}
Example SOUR1:SWE:SPAC LIN
Sets the spacing to linear.