Tektronix SPECMON3 Manual page 321

GP Digital Modulation
Parameter values set by presets in the standard settings dialog
Standard
802.15.4
SBPSK-MIL
SOQPSK-MIL
CPM-MIL
SOQPSK-ARTM Tier 1
Project25 Phase 1
CDMA2000–Base
W-CDMA
xxx
1
Center Symbol Position, Half Shift Removed
Modulation Params Tab
Menu bar: Setup > Settings > Modulation Params
The Modulation Params tab specifies the type of modulation on the input signal and other parameters
that control the demodulation of the input signal.
Parameter
Modulation type
Symbol Rate
Measurement Filter
Reference Filter
Filter Parameter
Modulation index
xxx
Modulation Type
The modulation types that can be demodulated and analyzed are:
SPECMON3 & SPECMON6 Printable Help
Modula- Symbol
tion Rate
OQPSK 1e6
SBPSK 2.4e3
SOQPSK 2.4e3
CPM 19.2e3
SOQPSK 2.5e6
C4FM 4.8e3
QPSK 1.2288e6
QPSK 3.84e6
Description
Specifies the type of modulation on the input signal.
Specifies the symbol rate in Hertz.
Specifies the filter used for measurements.
Specifies the filter used as a reference.
Enter a value used for defining the Reference Filter. (Not present for some filter types)
(Present only for CPM modulation type)
Meas. Reference
Filter Filter
None Half sine
None SBPSK-
MIL
None SOQPSK-
MIL
None None
None SOQPSK-
ARTM
C4FM-P25 RC
IS-95 TXE- IS-95 REF
Q_MEA
RRC RC
Modulation Params Tab
Filter Other
Parameter
NA
NA
1
NA
NA
1
NA
0.2
NA
0.22
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