Teledyne-lecroy DFP2 - Digital Filter Package 2 Instrukcja Użytkownika Strona 1

Digital Filter Package 2 (DFP2) SoftwareInstruction Manual

8 ISSUED: June 2013 923134 Rev ARaised Root Cosine (a low-pass filter)Band 1: Pass Band — DC to corner frequency minus half width; signal passes una

DFP2 Option 923134 Rev A ISSUED: June 2013 9 IIR Filters Infinite Impulse Response (IIR) filters are digital filters that emulate analog filters. Th

10 ISSUED: June 2013 923134 Rev AIn the setup of these filters, you have control of cutoff frequencies, transition region width, and stop band atten

DFP2 Option 923134 Rev A ISSUED: June 2013 11 9. Touch the Frequencies tab.10. Depending on the class (FIR/IIR) and kind of filter you selected, and

12 ISSUED: June 2013 923134 Rev A1. A noisy sine wave with a frequency of 3 MHz.2. The first low-pass filter with 20 MHz edge frequencyand 30 MHz tr

DFP2 Option 923134 Rev A ISSUED: June 2013 13 CUSTOM FILTERS Custom Filter Setup If the standard filters provided with DFP2 are not sufficient for y

14 ISSUED: November 2003 DFP2-OM-E Rev ANow create an ASCII file containing the coefficients: FirFilter.txt

DFP2 Option DFP2-OM-E Rev A ISSUED: November 2003 15 Writing Data to a Data File To write values from Mathcad version 11 to a data file, you can use

16 ISSUED: June 2013 923134 Rev A3. This opens the File Options wizard:4. From the File Format drop-down list choose "Tab Delimited Text".

DFP2 Option DFP2-OM-E Rev A ISSUED: November 2003 17 Example 2: Creating an IIR Filter Coefficient File Using Mathcad Note: This example uses the Ma

Digital Filter Package 2 Software Instruction Manual© 2013 Teledyne LeCroy, Inc. All rights reserved.Unauthorized duplication of Teledyne LeCroy docum

18 ISSUED: June 2013 923134 Rev ANote: In the example above, because “A” has a predefined meaning (as a unit) in Mathcad 11, it appears with a green

DFP2 Option 923134 Rev A ISSUED: June 2013 19 Writing Data to a Data File To write values from Mathcad to a data file, you can use the File Read/Wri

923134 Rev A ISSUED: June 2013 1 DFP2 Option INTRODUCTION...

2 ISSUED: June 2013 923134 Rev ABLANK PAGE

DFP2 Option 923134 Rev A ISSUED: June 2013 3 INTRODUCTION The Need In today's complex environment, data is frequently composed of a mixture of

4 ISSUED: June 2013 923134 Rev Adesign or with a math package such as MATLAB or Mathcad. Filter coefficients can be directly downloaded from the pro

DFP2 Option 923134 Rev A ISSUED: June 2013 5 Kinds of Filters1Low-pass Filter Low-pass filters are useful for eliminating accumulated high-frequency

6 ISSUED: June 2013 923134 Rev ABand-pass Filter Band-pass filters are useful for emphasizing a selected frequency band. Sample applications include

DFP2 Option 923134 Rev A ISSUED: June 2013 7 Communications Channel FiltersRaised Cosine (a low-pass filter) These filters belong to the low-pass fi