Sundance FC108 v.1.1 User Manual download pdf

FC108 - Polyphase filterbank v1.1

Fast

Polyphase filterbank product manual

December 2005 www.sundance.com - 1 -

User manual

Introduction

The polyphase filterbank algorithm is a very efficient way to implement a uniformly

distributed multi-channel filterbank using a Fast Fourier Transform (FFT). This Intellectual

Property (IP) core was designed to process data in real time up to rates of 1GSPS in Virtex-4

devices. Sundance’s core is the fastest and the most efficient available in the FPGA world.

Features

• This IP core targets the following devices:

¾ Xilinx: Virtex-II

, Virtex-II Pro

, Spartan-3

and Virtex-4

• Number of channels: M=2

with m = 3 to 12 (8 to 4096 channels)

• Arithmetic type and data formats :

¾ 16-bit integer fixed point

¾ Any resolution upon request

• Configurable on the fly filter taps for each channel

• Fully functional VHDL testbench and the related Matlab functions delivered along the

FFT/IFFT core for simulation purposes and specific performance characterization.

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Summary of Contents

Page 1 - User manual

FC108 - Polyphase filterbank v1.1 Fast Polyphase filterbank product manual December 2005 www.sundance.com - 1 -

Page 2 - Algorithm

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Page 3 - Implementation

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Page 4 - Ports definitions

FC108 - Polyphase filterbank v1.1 Fast Polyphase filterbank product manual December 2005 www.sundance.com - 3 -

Page 5 - Number of channels

FC108 - Polyphase filterbank v1.1 Fast Polyphase filterbank product manual December 2005 www.sundance.com - 4 -

Page 6

FC108 - Polyphase filterbank v1.1 Fast Polyphase filterbank product manual December 2005 www.sundance.com - 5 - I

Page 7 - Waveforms

FC108 - Polyphase filterbank v1.1 Fast Polyphase filterbank product manual December 2005 www.sundance.com - 6 -

Page 8 - Figure 3: Start

FC108 - Polyphase filterbank v1.1 Fast Polyphase filterbank product manual December 2005 www.sundance.com - 7 -

Page 9 - Output data valid

FC108 - Polyphase filterbank v1.1 Fast Polyphase filterbank product manual December 2005 www.sundance.com - 8 -

Page 10 - References

FC108 - Polyphase filterbank v1.1 Fast Polyphase filterbank product manual December 2005 www.sundance.com - 9 - O

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Sundance FC108 v.1.1 User Manual

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