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Chapter 2 69
Programming Fundamentals
Improving the Speed of Your Measurements
If you are doing bottom/middle/top measurements on base stations,
you can reduce transactions by making a time slot active at each of
the B,M,T frequencies. Then issue three measurements at once in
the programming code and retrieve three data sets with just one
GPIB transaction pair (write, read).
For example, send READ:PFER? <Freq_bottom>;PFER?
<Freq_middle>;PFER? <Freq_top> This single transaction initiates
three different phase and frequency error measurements at each of
the three different frequencies provided and returns the data. Then
you read the three sets of data.