IPR-FIR Altera, IPR-FIR Datasheet - Page 28

• Manufacturer Part Number: IPR-FIR
• Description: IP CORE Renewal Of IP-FIR
• Manufacturer: Altera
• Type: MegaCorer

Specifications of IPR-FIR

• Software Application: IP CORE, DSP Filters And Transforms
• Supported Families: Arria GX, Arria II GX, Cyclone, HardCopy, Stratix
• Core Architecture: FPGA
• Core Sub-architecture: Arria, Cyclone, Stratix
• Rohs Compliant: NA
• Function: Finite Impulse Response Compiler
• License: Renewal License
• Lead Free Status / RoHS Status: na
• Lead Free Status / RoHS Status: na

3–4
Figure 3–3. Parallel FIR Filter Coefficient Parameters for Band Pass Filter
FIR Compiler User Guide
3. After making your settings, click Apply. The dialog box displays the frequency
4. To generate floating-point coefficients for interpolation or decimation rate filters,
response of the filter in blue and also displays a list of the actual coefficient values.
(Figure
select Interpolation or Decimation and the required Factor from the Rate
Specification drop-down boxes.
When you click Auto Generate, IP Toolbench generates coefficients for a low-pass
filter with a cutoff frequency based on the specified rate.
Figure 3–4 on page 3–5
sampling rate and results in a half-band coefficient set.
For an explanation of interpolation and decimation, refer to
Decimation” on page
3–3).
4–8.
shows a decimation filter. The cut-off frequency is ¼ of the
© December 2010 Altera Corporation
Chapter 3: Parameter Settings
“Interpolation and
Specifying the Coefficients