© National Instruments Corporation 31 NI 5441 Specifications
Specification Valu e Comments
FIR Filter Types
Filter Type Parameter Mini mum Maximum —
Custom ———Coefficients
are provided
by the user.
Flat Passband 0.1
0.43 Lowpass Filter
that minimizes
ripple to:
IQ Rate ×
Passband.
Gaussian BT 0.1 0.9 —
Raised Cosine Alpha 0.1 0.9
Root Raised
Cosine
Alpha 0.1 0.9
CIC (Cascaded Integrator-Comb) Filter
Size 6 Stages The CIC Filter
does the
majority of the
interpolation
in the OSP.
Interpolation
Range
6 ≤ Interpolation ≤ 256 (integers)
NCO (Numerically Controlled Oscillator)
Frequency
Range
1 mHz to (0.43 × Sample Rate) —
Frequency
Resolution
Sample Rate / 248 Example:
355 nHz with a
Sample Rate
of 100 MS/s
I and Q Phase
Resolution
0.0055º —
Phase
Quantization
16 bits Look-Up
Table Address
Width
Tuning Speed 1 ms —