Vector Signal Generator
Digital Modulation1
(Nominal)
Quadrature Phase-Shift Keying (QPSK)
EVM (%)
MER (dB)
3,400 MHz
Symbol Rate
(MS/s)
Root Raised Cosine
Filter Alpha Value
Bandwidth
825 MHz
3,400 MHz
5,800 MHz
825 MHz
5,800 MHz
Onboard Reference Clock Source
0.16
0.80
4.09
200.00 kHz
0.25
0.22
0.25
0.3
0.4
0.6
0.7
0.7
0.8
1.0
1.0
1.2
51
48
45
43
42
42
40
40
38
1.00 MHz
4.98 MHz
QPSK, External Reference Clock Source (PXI Express Backplane Clock)
0.16
0.80
4.09
200.00 kHz
1.00 MHz
4.98 MHz
0.25
0.22
0.25
0.7
0.9
1.1
2
2.9
1.7
1.5
43
41
39
34
38
38
30
36
36
1.3
1.3
16-QAM, Onboard Reference Clock Source
17.6
32.0
22 MHz
40 MHz
0.25
0.25
0.7
1.1
1.4
2.4
1.8
2.5
41
36
35
29
32
29
16-QAM, External Reference Clock Source (PXI Express Backplane Clock)
17.6
32.0
22 MHz
40 MHz
0.25
0.25
1
1.5
2.5
1.9
2.6
37
35
34
29
32
29
1.4
64-QAM, Onboard Reference Clock Source
5.36
6.95
6.16 MHz
7.99 MHz
50.00 MHz
0.15
0.15
0.22
0.4
0.5
1.3
0.6
0.7
2.8
1
1
44
43
34
40
39
27
37
36
28
40.99
2.6
64-QAM, External Reference Clock Source (PXI Express Backplane Clock)
5.36
6.95
6.16 MHz
7.99 MHz
50.00 MHz
0.15
0.15
0.22
0.9
0.9
1.5
1
1.2
1.2
2.7
38
38
33
36
36
27
35
35
28
1.1
2.8
40.99
256-QAM, Onboard Reference Clock Source
6.95 7.99 MHz
0.15
0.5
0.8
0.8
2
1.8
2.3
43
37
38
32
32
29
256-QAM, External Reference Clock Source (PXI Express Backplane Clock)
6.95 7.99 MHz 0.15
1All measurements were made with an NI 5673 and NI 5663 not phase-locked together.
Number of symbols = 1,250 pseudorandom bit sequence (PRBS) at -30 dBm for all measurements.
No equalization in receiver demodulation.
BUY ONLINE at ni.com or CALL 800 813 3693 (U.S.)
7
NI [ National Instruments ]
