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NI 5441 Specifications 32 ni.com
Modulation Performance (Typical)
Modulation
Configuration
Measurement Type FIR Interpolation —
2 4 8
GSM Physical
Layer
1
MER
(Modulation Error Ratio)
46 dB 47 dB 42 dB Direct Path
( 4 d B m P e a k ) ,
25 MHz
Carrier
EVM
(Error Vector Magnitude)
<0.5 %
rms
<0.5 %
rms
<0.8 %
rms
W-CDMA
Physical
Layer
2
MER
(Modulation Error Ratio)
46 dB 39 dB — Direct Path
( 4 d B m P e a k ) ,
25 MHz
Carrier, ACPR
Measurement
BW = 4 MHz
& Channel
Spacing =
5 MHz
EVM
(Error Vector Magnitude)
<0.5 %
rms
<1.0 %
rms
—
ACPR
(Adjacent Channel Power
Ratio)
(External Sample Clock)
65 dBc 68 dBc —
ACPR
(Adjacent Channel Power
Ratio)
(High-Resolution Sample
Clock)
61 dBc 61 dBc —
DVB Physical
Layer
3
MER
(Modulation Error Ratio)
43 dB — — Direct Path
( 4 d B m P e a k ) ,
25 MHz
Carrier, ACPR
Measurement
BW =
7.96 MHz &
Channel
Spacing =
8MHz
EVM
(Error Vector Magnitude)
<0.6 %
rms
— —
ACPR
(Adjacent Channel Power
Ratio)
(External Sample Clock)
48 dBc — —
ACPR
(Adjacent Channel Power
Ratio)
(High-Resolution Sample
Clock)
47 dBc — —
1
OSP Enabled. IQ Rate = 1.083 MS/s, 4 Samples/Symbol. FIR Filter Type = Flat, Passband = 0.4. MSK modulation:
Software Pulse Shaping and Phase Accumulation, 270.833 kS/s, Gaussian, BT = 0.3. PN Sequence Order = 14.
2
OSP Enabled. IQ Rate = 3.84 MS/s,
1
Sample/Symbol.
FIR
Filter Type
=
Root Raised Cosine,
Alpha
=
0.22.
QPSK.
PN Sequence
Order
=
15.
3
OSP Enabled. IQ Rate = 6.92 MS/s, 1 Sample/Symbol. FIR Filter Type = Root Raised Cosine, Alpha = 0.15. 32 QAM
Modulation. PN Sequence Order = 15.
Specification Value Comments