Agilent Technologies 34401A Specifications Page 95

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Power Meter Remote Operation
Getting the Best Speed Performance
Agilent E4418B/E4419B Programming Guide 1-69
the hardware platform being used.
the programming environment being used.
Note that it is unlikely that 200 readings/sec can be achieved when:
you are using a 700 series HPUX workstation.
you are using a low end PC.
you are using a graphical programming environment (such as HP
VEE).
Dual Channel Considerations
With the dual channel instrument, consideration must be taken of what
operation is required on both channels. Both channels can achieve 20
readings/sec simultaneously, and 40 readings/sec simultaneously, but 200
readings/sec is not achievable on both channels at the same time. If only
single channel measurements are required, then the other channel should
be set to standby mode and not triggered.
The throughput for a channel set in the 200 readings/sec mode will be
affected by the speed mode of the other channel. However, in a situation
where fast measurements are required on one channel and slow
measurements on the other, it will be possible to perform more than one
measurement cycle on the fast channel for every measurement on the slow
channel. For example, if channel A is set to 40 readings /sec and channel B
is set to 20 readings/sec, it is possible to construct a loop with 2 reads from
channel A and one from channel B and still achieve the set readings per
second.
prog.book Page 69 Thursday, June 7, 2001 2:55 PM
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