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Freedom R8100 PTC Test Option
PTC testing on the R8100/R8000 supports Physical layer testing of ITCR PTC radios used in the I-
ETMS® (Interoperable Electronic Train Management System)
Modulation type: Pi/4 DQPSK
Symbol rates: 16 ksps (Full rate) and 8 ksps (Half rate)
Measurements include:
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Power in RMS and PEP
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Frequency Error
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Error Vector Magnitude
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IQ Imbalance
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Phase Error
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Magnitude Error
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BER testing while ratio in test mode
•
PN9 test pattern with built in FEC
Displays available in PTC testing on the R8100/R8000:
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Circular Constellation
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Linear Constellation
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Power profile with adjustable time scale
•
Distribution diagram
•
Eye Diagram
Summary of Contents for R8100 SERIES
Page 19: ...19 Figure 2 1 2 Left and Right Sides of the R8100...
Page 164: ...164 Figure 2 2 7 7 5 Power Profile Frame with Markers...
Page 224: ...224 Figure 3 2 9 6 1 Submenu after pressing Options soft key in the Settings menu...
Page 243: ...243 PTC Test in Monitor Mode Eye Diagram Display...
Page 244: ...244 Power Profile Display Linear and Circular Constellation Displays...
Page 245: ...245 Symbol Distribution Plot...