
Chapter 3: Parameter Settings 3–9
Specify the Input and Output Specifications
© May 2011 Altera Corporation FIR Compiler User Guide
Figure 3–7 shows the result after you have made the selections. Note that the side
lobes of the fixed-point frequency response decrease when you change the bit width
from 8 (the default) to 12.
Specify the Input and Output Specifications
You can specify the Number of Input Channels (that is, the number of data streams
that generate an output for each stream) and the Input Number System in the
Parameterize - FIR Compiler page (Figure 3–7).
Figure 3–7. Analyzing the Coefficients
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