Tektronix RSA6100A Series, Help Manual

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GP Digital Modulation > Common Controls for GP
Digital Modulation Displays Scale Tab
Setting Description
Content Selects whether to draw lines (vectors) between constellation points in the display.
Present for the Constellation display only.
Trace Selects the trace that is hidden or displayed based on whether or not Show is selected.
Show Speci fi es whether the trace selected by Trace is displayed or hidden.
Points per Symbol Select how many points to use between symbols when connecting the dots. Values:
1, 2, 4, 8.
Remove Q offset The I and Q data traces are normally displayed with an offset of half a symbol. When the
modulation type is set to SOQPSK or OQPSK, you can remove this offset by selecting
Remove Q offset . Present for Constellation, Demod I&Q, and Eye Diagram displays only.
Symbol point location Selects whether to evaluate the symbol value at the center or the end of the eye opening.
This control is only present for some of the supported modulation types.
Phase Multiplier Sets the multiplication constant for the phase multiplication display: ×1 (default), ×2, ×4,
×8, ×16, or ×32. The phase multiplication display facilitates observation of noisy CPM
signals by multiplying measurement signal phase by the constant to reduce the number
of phase states and expand the phase difference between adjacent symbols.
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Scale Tab
The Scale tab allows you to change the vertical and horizontal scale settings. Changing the scale settings
changes how the trace appears on the display but does not change control settings such as Measurement
Frequency.
RSA6100A Series Real-Time Spectrum Analyzers Help
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