HP E1563A User Manual page 75

ROSCillator:SOURce
Note
Comments
ROSCillator:SOURce?
SWEep:POINts
[SENSe:]ROSCillator:SOURce INTernal | EXTernal is used to specify the
timebase source. The default timebase is the INTernal timebase which uses the VXI
CLK10, 10 MHz reference. The EXTernal input is the TTL "Time Base" input pin
on the front panel D-subminiature connector (right pin column, bottom pin).
HP E1563A
("Time Base" input - bottom right pin)
The EXTernal source requires you also send the
command to specify the frequency of the external timebase.
•
The timebase reference set by
sample source is TIMer (
•
Executable when initiated: NO
•
Coupled command: Yes, The
interval nearest the old value when source is changed from EXTernal to
INTernal or vice versa.
•
Reset (*RST) Condition: INTernal source, freq = 10.0 MHz
[SENSe:]ROSCillator:SOURce? queries to determine the timebase source.
Returns either INTernal or EXTernal.
[SENSe:]SWEep:POINts <count> | MIN | MAX command sets the number of
sweep points. The number of points set is common to all channels. You cannot have
two different channels with different a sweep point count.
ROSC:EXT:FREQ < freq>
SAMPle:TIMer < interval >
SAMPle:SOURce TIMer
SAMPle:TIMer < interval >
Digitizer Command Reference
HP E1564A
is used when the
).
is set to a period or
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