Teledyne LeCroy DFP2 - Digital Filter Package 2 - Manual (Page 3)

923134 Rev A ISSUED: June 2013 1
DFP2 Option
INTRODUCTION...................................................................................................3
The Need.......................................................................................................................................... 3
The Solution ..................................................................................................................................... 3
Enhanced Solutions ......................................................................................................................... 4
Kinds of Filters ................................................................................................................................. 5
Communications Channel Filters ..................................................................................................... 7
IIR Filters .......................................................................................................................................... 9
FILTER SETUP...................................................................................................10
To Set Up a DFP Filter ................................................................................................................... 10
MULTIRATE FILTERS........................................................................................11
Description ..................................................................................................................................... 11
Example .................................................................................................................................. 11
CUSTOM FILTERS.............................................................................................13
Custom Filter Setup ....................................................................................................................... 13
Example 1: Creating an FIR Filter Coefficient File Using Mathcad ........................................ 13
Writing Data to a Data File...................................................................................................... 15
Example 2: Creating an IIR Filter Coefficient File Using Mathcad ......................................... 17
Writing Data to a Data File...................................................................................................... 19
SPECIFICATIONS ..............................................................................................19