3151 And 3151A User Manual
Using The Instrument 3-11
Selecting the Filter
Type
Before selecting the filter type, use the following command to activate
the filter:
OUTPut:FILTer { OFF | ON}
ON enables the filter that has been selected with the
OUTP:FILT:FREQ command. The default filter state setting is OFF.
The query:
OUTPut:FILTer?
queries the output filter state and returns "0" (OFF) or "1" (ON).
The command:
OUTPut:FILTer:FREQuency {<20MHz | 25MHz |
50MHz>}
sets the filter frequency for the currently active function. 20 MHz has
a Gaussian response, and the 25 MHz and the 50 MHz filters have
an Elliptical response. Note that the filters cannot be changed if the
generator is set to output sine waveform from its standard waveform
library. The filters will be activated only after the OUTP:FILT ON
command. The default filter setting is 20 MHz. Note also that 20
MHz, 25 MHz and 50 MHz designate filter types. These parameters
should be programmed as switches, not as values. The filter type
cannot be programmed using OUTP:FILT:FREQ 25e6 or
OUTP:FILT:FREQ 50e6 Hz.
The query:
OUTPut:FILTer:FREQuency?
queries the currently selected filter setting and returns 20 MHz, 25
MHz or 50 MHz.
Summary of Contents for 3151
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