3152B User Manual
Publication No. 980935 Rev. A
5-28 Programming Reference
EADS North America Test and Services
OUTPut:SHUNt {OFF|ON|0|1}(?)
Response
This 3152A legacy command is not supported by the 3152B. The 3152B returns an error.
OUTPut:ECLTrg<n> {OFF|ON|0|1}(?)
HS Syntax: 0210A
<0|1>(?)
Description
This command converts ECLTRG lines to outputs and places signals on these lines to be used by other
instruments in the chassis as synchronization signals. Although the original purpose of these lines was to be
used as ECL triggers to other instruments, the 3152B uses these lines to synchronize clocks and start signals
with other instruments in the chassis. The ECLTRG lines run in parallel from slot to slot so it is not important
where the receiving module is placed inside the chassis, as long as the receiving instrument assigns the same
lines as inputs. Only two of these trigger lines are used: ECLTRG0 and ECLTRG1.
Parameters
Name/Range
Type
Default
Description
<n>
Numeric (integer
only)
0
Specifies the ECL trigger line that will be affected by
this command. Only two lines are available in this case,
0 and 1.
0-1
Discrete
0
Specifies the state of the designated ECL trigger line
either on or off.
Response
For ECLTRG0, the 3152B returns 0,1 if the output is on, or 0,0 if the output is off.
For ECLTRG1, the 3152B returns 1,1 if the output is on, or 1,0 if the output is off.
OUTPut:FILTer {25M|50M|60M|120M}(?)
HS Syntax: 0201A
<1|2|3|4>
(?)
Description
This command selects which filter is connected in series with the 3152B output signal. Observe the following
restrictions when using this command:
1) Filter selection is not available when the instrument is set to output the standard sine waveform
2) The 3152A originally had three filters: 20MHz, 25MHz, and 50MHz. The 3152B has four filters: 25MHz,
50MHz, 60MHz, and 120MHz. In legacy mode, when you select a 3152A filter, the corresponding
3152B filter is automatically selected. For example, for the 3152A command OUTP:FILT 20M translates
to OUTP:FILT 25M because this is the closest cutoff frequency available. In any case, 3152A filter
commands are accepted and filters are applied without issuing errors although the selected filter will
have a slightly different cutoff frequency than the legacy model had.
Parameters
Name
Type
Default
Description
25M
Discrete
Connects a 25MHz, Bessel filter into the output path
50M
Discrete
Connects a 50MHz, Bessel filter into the output path
65M
Discrete
Connects a 25MHz, Elliptic filter into the output path
120M
Discrete
Connects a 120MHz, Elliptic filter into the output path
Response
The 3152B returns NONE, 25M, 50M, 60M, or 120M depending on the filter currently connected in series with
the output signal.
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