185
Chapter 4 Remote Interface Reference
Output Configuration Commands
4
• You can also set the offset by specifying a high level and low level.
For example, if you set the high level to +2 volts and the low level to
-3 volts, the resulting amplitude is 5 Vpp (with an associated offset
voltage of -500 mV). See the VOLT:HIGH and VOLT:LOW commands
below for more information.
• To output a dc voltage level, select the dc voltage function using the
FUNC DC
command and then set the offset voltage level using the
VOLT:OFFS
command
. You can set the dc level to any value between
±5 Vdc into 50 ohms or ±10 Vdc into an open circuit.
VOLTage
:HIGH {<voltage>|MINimum|MAXimum}
:HIGH? [MINimum|MAXimum]
:LOW {<voltage>|MINimum|MAXimum}
:LOW? [MINimum|MAXimum]
Set the high or low voltage levels. For all functions, the default high level
is +50 mV and the default
low level
is -50 mV. MIN selects the most
negative
voltage level for the selected function and MAX selects the
largest voltage level. The :HIGH? and :LOW? queries return the high and
low levels, respectively.
•
Limits Due to Amplitude
:
You can set the voltage levels to a positive
or negative value with the restrictions shown below. Vpp is the
maximum peak-to-peak amplitude for the selected output termination
(10 Vpp for a 50-ohm load or 20 Vpp for
a high-impedance load).
V
high
–V
low
< V
pp
(max)
and
V
high
, V
low
<
If the specified level is not valid, the function generator will
automatically adjust it to the maximum voltage allowed. From the
remote interface, a “Data out of range” error will be generated and
the level will be adjusted as described.
• You can set the levels to a positive or negative value, but note that
the high level must always be greater than the low level. If you
specify a low level that is greater than the high level, the function
generator will automatically set the high level to be 1 mV more than
the new low level. A “Settings conflict” error will be generated.
()
2
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