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Chapter 6
Data Displays
6-1 INTRODUCTION This chapter provides discussion and examples of the various types of
data displays.
6-2 DISPLAY MODES AND
TYPES
The 37xxxE displays measurement data using a “Channel Concept.”
This means that each channel can display both a different
S-Parameter and a different graph type. As you select each channel,
the graph type, scaling, reference delay, S-Parameter, etc., associated
with that channel appears on the screen. You can display the same
S-Parameter on two or more channels.
Several graph-types are possible: polar, rectilinear, or Smith chart. The
rectilinear graph-type may be magnitude, phase, magnitude and
phase, SWR, group delay, real, imaginary, and real and imaginary. The
Smith chart graph-type is specifically designed to plot complex imped-
ances.
Single Channel Display:
Ch 1, 2, 3, 4
You select this display type (Figures 6-1 and 6-2) by choosing “Single
Display” on Menu CM (Appendix A). Possible graph types are Smith,
polar, rectilinear, or dual (split) rectilinear (magnitude and phase).
37xxxE OM 6-3
GHz0.040000000 20.000000000
S11 FORWARD REFLECTION
LOG MAG. REF= 0.000 dB 10.000 dB/DIV
Figure 6-1. Single Channel Display, Log Magnitude