Specifications
Table 41: Analog 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 Input at center)
Frequency vs. Time Accuracy, typical
±0.1% of Span 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 Depth;
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 )
Table 43: General purpose digital modulation analysis (Option 21)
Characteristic
Description
Carrier Type, nominal
Continuous, Burst (5
μ
s minimum on-time)
Analysis Period, nominal
Up to 81,000 samples
Modulation Format Presets, nominal
π
/2 DBPSK, BPSK, SBPSK, QPSK, DQPSK,
π
/4 DQPSK, D8PSK, 8PSK, OQPSK,
SOQPSK, CPM, 16QAM, 32QAM, 64QAM, 256QAM, MSK, GFSK, 2FSK, 4FSK,
8FSK, 16FSK, C4FM
Measurement Filter, nominal
Root Raised Cosine, Raised Cosine, Gaussian, Rectangular, IS-95, IS-95 Base
EQ, None
Reference Filter, nominal
Gaussian, Raised Cosine, Rectangular, IS-95 baseband, None
Filter Rolloff Factor, nominal
α
: 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
