Specifications
Table 41: Analo
g demodulation accuracy
Characteristic Description
Amplitude vs.
Time Accuracy, typical
±1%
(–10 dBfs Input at center, 5% to 95% Modulation Depth)
Phase vs. Time Accuracy, typical
±0.1° for modulations <180°, and rates <500 kHz.
(–10 dBfs In
put at center)
Frequency vs. Time Accuracy, typical
±0.1% of Spa
n for deviations <2 MHz, and modulation frequencies <500 kHz.
(–10 dBfs Input at center)
Table 42: General Purpose Analog modulation accuracy
Characteristic Description
AM Demodulation Accuracy, typical
±2%
(0 dBm Input at center, Carrier Frequency 1 GHz, 10 to 60 % Modulation D epth;
1 kHz/5 kHz Input/Modulated frequency; 0 dBm Input Power Level, Reference Level
10 dBm, Atten = Auto)
PM Demodulation Accuracy, typical
±3°
(0 dBm Input at center; Carrier Frequency 1 GHz, 400 Hz/1 kHz Input/Modulated
Frequency; 0 dBm Input Power Level, Reference Level 10 dBm, Atten = Auto)
FM Demodulation Accuracy, typical
±1% of Span
(0 dBm Input at center; Carrier Frequency 1 GHz, 1 kHz/5 kHz Input/Modulated
Frequency, 0 dBm Input Power Level, Reference Level 10 dBm, Atten = Auto )
Tabl
e 43: General purpose digital modulation analysis (Option 21 )
Characteristic Description
Carrier Type, nominal Continuous, Burst (5 s minimum on-time)
Ana
lysis Period, nominal
Up t
o 81,000 samples
Modulation Format Presets, nominal
/2
DBPSK, BPSK, SBPSK, QPSK, DQPSK , /4 DQPSK, D8PSK, 8PSK, OQPSK,
SOQPSK, CPM, 16QAM, 32QAM, 64QAM, 256QAM, MSK, GFS K, 2FSK, 4FSK,
8FSK, 16FSK, C4FM
Measurement Filter, nominal
Root Raised Cosine, Raised Cosine, Gaussian, Rectangular, IS-95, IS-95 Base
E
Q, None
R
eference Filter, nominal
G
aussian, Raised Cosine, Rectangular, IS-95 baseband, None
Filter Rolloff Factor, nominal
: 0.001 to 1, 0.001 step
Maximum Symbol Rate, nominal 100 MS/s (Option 21)
Standard Setup Presets, nominal
None
Measurement Functions, nominal
Constellation, EVM, Symbol Table
Vector Diagram Display Format, nominal
Symbol/Locus Display,
Frequency Error Measurement,
Origin Offset Measurement
48 RSA5100B Series Technical Reference