RATE Subsystem
[SOURce[1|2]:]RATE:COUPle:OFFSet <sample_rate>
[SOURce[1|2]:]RATE:COUPle:OFFSet?
Sets sample rate offset when a two-channel instrument is in sample rate coupled mode OFFSet.
Parameter Typical Return
Valid values depend on FUNCtion:ARBitrary:FILTer setting. For NORMal and STEP,
the range is between ± 250 MSa/s . For OFF, the range is between ±62.5 MSa/s. In
either case, default is 0.
+8.000000000000000E+02
Set sample rate offset of channel 2 to 10.3 kSa/s higher than sample rate of channel 1.
RATE:COUPle:OFFSet 10300
Sets the sample rate offset of channel 1 to 45 kSa/s below the sample rate of channel 2.
SOUR2:RATE:COUP:OFFS -45000
l When specifying OFFSet or RATio, the SOURce channel specified in the command (SOURce1 or SOURce2) is used
as the reference channel and the offset or ratio is applied to the other channel. For example, suppose the function
generator is in RATE:COUPle[:STATe] ON and RATE:COUPle:MODE is set to OFFSet. Furthermore, suppose channel
1 is currently operating at 2 kSa/s, and channel 2 is at 10 kSa/s. The command SOURce1:RATE:-
COUPle:OFFSet 2.5 causes Channel 1 to remain at 2 Sa/s, and Channel 2 to be set to 4.5 Sa/s. As the sample
rate of either channel changes, the other channel's sample rate changes to maintain the specified coupling.
l If the sample rate coupling would cause either channel to exceed instrument sample rate specifications for the
present functions, the command will result in an error, and the sample rate will be set to its maximum or mini-
mum limit for the particular channel.
[SOURce[1|2]:]RATe:COUPle:RATio <ratio>
[SOURce[1|2]:]RATe:COUPle:RATio?
Sets offset ratio between channel sample rates when a two-channel instrument is in sample rate coupled mode RATio.
Parameter Typical Return
0.001 to 1000, default 1 +7.500000000000000E-1
Set channel 2's sample rate to twice that of channel 1.
SOUR1:RATE:COUP:RATio 2
Set channel 1's sample rate to 3.14 times that of channel 2.
SOUR2:RATE:COUPle:RAT 3.14
l When specifying OFFSet or RATio, the SOURce channel specified in the command (SOURce1 or SOURce2) is used
as the reference channel and the offset or ratio is applied to the other channel. For example, suppose the function
generator is coupled in RATio mode. Furthermore, suppose channel 1 is currently operating at 2 kSa/s, and chan-
nel 2 is at 10 kSa/s.
The command SOURce1:RATe:COUPle:RATio 2.5 causes Channel 1 to remain at 2 kSa/s, and Channel 2 to be
set to 5 kSa/s. As the sample rate of either channel changes, the other channel's sample rate changes to maintain
the specified coupling.
Agilent 33500 Series Operating and Service Guide 279
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