Tektronix RSA3300A, Service Manual

Page: 33 / 284

Specifications
RSA3303A & RSA3308A Service Manual
1- 9
Table 1- 11: Digital demodulation (Option 21 only) (Cont.)
Characteristics Description
Display format
Vector diagram Symbol/Locus display, Frequency error measurement, and Origin offset measurement
Constellation diagram Symbol display, Frequency error measurement, and Origin offset measurement
Eye diagram I, Q, and Trellis displays ( 1 to 16 symbols )
Error vector diagram EVM, Magnitude error, Phase error, Waveform quality (
ρ
) measurement,
Frequency error measurement, and Origin offset measurement
Symbol table Binary, Octal, Hexadecimal
AM/AM Measured amplitude vs. Reference amplitude, 1 dB compression measurement
AM/PM Phase error vs. Reference amplitude
CCDF Probability of excess vs. Power level, Crest factor measurement
PDF Probability of occurrence vs. Power level
Accuracy
PDC (100 kHz span) EVM
≤
1.2%, Magnitude error
≤
1.0%, Phase error
≤
0.8
°
PHS (1 MHz span) EVM
≤
1.4%, Magnitude error
≤
1.2%, Phase error
≤
0.8
°
GSM (1 MHz span) EVM
≤
1.8%, Magnitude error
≤
1.2%, Phase error
≤
1.0
°
64QAM, 5.3 Msps, 1 GHz carrier
(15 MHz span, Typical )
EVM
≤
2.5%
QPSK, 3.84 Msps, 2 GHz carrier
(15 MHz span, Typical )
EVM
≤
2.5%
QPSK EVM (Typical) Symbol rate
Center frequency = 1 GHz 0.5%
0.5%
1.2%
2.7%
100 kHz
1 MHz
4 MHz
10 MHz
Center frequency = 2 GHz 0.5%
0.5%
1.2%
2.7%
100 kHz
1 MHz
4 MHz
10 MHz
Center frequency = 3 GHz 0.7%
0.7%
1.5%
2.9%
100 kHz
1 MHz
4 MHz
10 MHz
Center frequency = 5 GHz
(RSA3308A only)
0.7%
0.7%
1.5%
3.0%
100 kHz
1 MHz
4 MHz
10 MHz