RATE Subsystem
RATE Subsystem
The RATE subsystem allows you to couple the outputs' sample rates on a two-channel instrument by specifying the fol-
lowing items:
l RATE:COUPle[:STATe] - whether coupling is used
l RATE:COUPle:MODE - whether coupling is done as a ratio or an offset
l RATE:COUPle:OFFSet - offset used when the coupling is done as an offset
l RATE:COUPle:RATio - ratio used when the coupling is done as a ratio
[SOURce[1|2]:]RATE:COUPle[:STATe] {ON|1|OFF|0}
[SOURce[1|2]:]RATE:COUPle[:STATe]?
Enables or disables sample rate coupling between channels, or allows one-time copying of one channel's sample rate
into the other channel.
Parameter Typical Return
{ON|1|OFF|0}, default OFF 0(OFF)or1(ON)
Turn on sample rate coupled state:
RATE:COUP ON
l The ON value starts sample rate coupling in the mode specified by RATE:COUPle:MODE.
l If the current offset or ratio, combined with the current sample rate settings, would cause either sample rate to
exceed instrument specifications, the instrument will generate an error and the exceeded sample rate will clip at
its maximum or minimum value.
l If setting mode to RATIO and setting RATIO to 1.0 still exceeds the specifications of either channel, an error mes-
sage will be generated and the RATE:COUPle[:STATe] will not be turned ON.
l Both channels must be configured for FUNCtion ARB in order to enable sample rate coupling.
[SOURce[1|2]:]RATE:COUPle:MODE {OFFSet|RATio}
[SOURce[1|2]:]RATE:COUPle:MODE?
Sets type of sample rate coupling to either a constant sample rate offset (OFFSet) or a constant ratio (RATio) between
the channels' sample rates.
Parameter Typical Return
{OFFSet|RATio}, default RATio OFFS or RAT
Set the sample rate coupling mode to OFFSet.
RATE:COUP:MODE OFFSet
l The default RATio is 1.
l The default sample rate coupling is OFF.
l The SOURce[1|2] keyword is ignored; the setting applies to both channels.
278 Agilent 33500 Series Operating and Service Guide
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