Digital Demod Properties Dialog Box
The dialog box contains parameters that configure the VSA's digital demodulator.
In the menu, is grayed (unavailable) if the digital demodulator is not enabled. To enable the digital demodulator, click .
The dialog box contains five tabs:
-
Format tab: selects the demodulation format, Symbol Rate,, and .
From here, also select a standard setup to automatically configure the VSA to demodulate a known signal. For example, selecting the NADC North American Digital Cellular standard setup configures the VSA to demodulate an NADC signal.
- Filter tab: specifies the filter settings used by the VSA to demodulate the signal.
- Search tab: configures or .
- Compensate tab: adjusts the VSA's digital demodulator with parameters such as , , and . In addition, this tab enables and configures adaptive equalization.
- Advanced tab: specifies parameters including APSK and StarQAM ring ratios, CPM Continuous Phase Modulation Modulation Indexes (h1 and h2), and Low SNR Signal-to-Noise Ratio Enhancement.
- Custom APSK: configures a custom APSK measurement.
See Also
Setting up Digital Demod Measurement
