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3
Making
Mixer
Measurements
This chapter contains information and example procedures on the following topics:
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Measurement considerations
. . . .
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Mmmwmg source and load mismatches
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Reducing the effect of spurious responses
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Eliminating unwanted mixing and leakage signals
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How RF and IF are
dellned
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Frequency offset mode operation
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Differences between internal and external R channel inputs
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Power meter calibration
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Conversion loss using the frequency offset mode
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High dynamic range swept RF/IF conversion loss
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Fixed IF measurements
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Group delay measurements
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Conversion compression using the frequency offset mode
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Isolation
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LO to RF isolation
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RF feedthrough
Where to Look for More Information
Additional information about many of the topics discussed in this chapter is located in the
following areas:
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Chapter 2, “Making Measurements,” contains step-by-step procedures for making
measurements or using particular functions
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Chapter 4, “Printing, Plotting, and Saving Measurement Results,” contains instructions
for saving to disk or the analyzer internal memory, and printing and plotting displayed
measurements
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Chapter 5, “Optimizing Measurement Results,
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describes techniques and functions for
achieving the best measurement results
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Chapter 6, “Application and Operation Concepts,
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contains explanatory-style information
about many applications and analyzer operation.
Making Mixer Measurements
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