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Re: Ruido

Notapor blas » Jue, 15 Mar 2012, 12:02

Noise Figure Measurement Accuracy 32 paginas en ingles
http://www.metrictest.com/catalog/pdfs/ ... p_346a.pdf

Chapter 1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Accurate noise figure measurements mean money . . . . . . . . . . . . . . . . . . .5
What will reading this note do for you? . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Chapter 2
What factors affect noise figure measurement accuracy? . . . . . . . . . . . . . . . .7
Sources of error that can be eliminated . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Sources of error that cannot be eliminated . . . . . . . . . . . . . . . . . . . . . . . . .12
Chapter 3
Methods to calculate accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Cascade noise figure accuracy equation . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Measurement simulation method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Chapter 4
A practical look at noise figure accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
The uncertainty versus measurement system noise figure (NF2) curve .15
Noise figure accuracy misconceptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Chapter 5
Improving measurement accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
1. Eliminate all removable errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
2. “Increase” device gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
3. Reduce measurement system noise figure (NF2) . . . . . . . . . . . . . . . . . .18
4. Reduce individual uncertainties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Appendix
Amplifier and transistor curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Mixer and receiver curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
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Mensajes: 201
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Re: Ruido

Notapor blas » Jue, 15 Mar 2012, 12:10

http://www.ece.ucsb.edu/~long/ece145a/
ZY Smith Chart

Slides from Nov 1, 2011 License Class

Course Introduction and syllabus

Class Notes Set #1: Nonideal Components

Class Notes Set #2: Transmission lines 101

Class Notes Set #3: Transmission lines 102

Class Notes Set #4: S-parameters

Class Notes Set #5: Matching networks

Class Notes Set #6: Performance Limitations: Distortion and Noise

ADS Tutorial: Harmonic Balance Simulation Tutorial: Nonlinear Analysis of Amplifiers

Introduction to Spectrum Analyzer

Class Notes Set #7: Amplifier Design (revised 2/12/07)

ADS Tutorial: Stability and Gain Circles

Class Notes Set #8: Bias Circuits for Microwave Amplifiers and Implementation Techniques

Class Notes Set #9: Low noise amplifier design

Class Notes Set #10: Introduction to receivers - revised 03/07/07

Mixer Notes 1

Reference on use of capacitors for wideband applications; bypassing

Importing measured data into ADS

Reference on impedance matching by D. Leeson, Stanford U.

Detailed guide to the Spectrum Analyzer

Quick guide to the Tektronix 2712 Spectrum Analyzer and TDS500 Oscilloscope

ADS Tutorial: Basics

Importing measured data into ADS

ADS Tutorial: Stability and Gain Circles

ADS Tutorial: Noise Figure Analysis

ADS Tutorial: Harmonic Balance Simulation Tutorial: Nonlinear Analysis of Amplifiers

ZY Smith Chart

Z Smith Chart
Surface Mount Soldering Procedure
Soldering Information from QST, Feb. 2001

Prototyping Guide

Inductor Guide
Agilent ADS

ADS Tutorial #1

ADS Tutorial on Stability and Gain Circles (revised 10/27/05)

ADS Noise Figure Design and Display Files

ADS Harmonic Balance tutorial for small signal amplifiers (revised 10/21/05)
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