slide1 n.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
Network Analyzer Error Models and Calibration Methods by Doug Rytting PowerPoint Presentation
Download Presentation
Network Analyzer Error Models and Calibration Methods by Doug Rytting

Loading in 2 Seconds...

play fullscreen
1 / 71

Network Analyzer Error Models and Calibration Methods by Doug Rytting - PowerPoint PPT Presentation


  • 299 Views
  • Uploaded on

Network Analyzer Error Models and Calibration Methods by Doug Rytting. Presentation Outline. Network Analyzer Block Diagram and Error Model System Error Model for Error-Correction One-Port Error Model and Calibration Two-Port Error Models and Calibration 12-Term Method

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'Network Analyzer Error Models and Calibration Methods by Doug Rytting' - fountain-hubert


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
slide1

Network Analyzer

Error Models

and

Calibration Methods

by

Doug Rytting

presentation outline
Presentation Outline
  • Network Analyzer Block Diagram and Error Model
  • System Error Model for Error-Correction
  • One-Port Error Model and Calibration
  • Two-Port Error Models and Calibration
    • 12-Term Method
    • 16-Term Method
    • 8-Term Method
    • 8-Term Examples
  • Measuring S-parameters
  • E-Cal
  • Accuracy of Error-Correction
presentation outline1
Presentation Outline
  • Network Analyzer Block Diagram and Error Model
  • System Error Model for Error-Correction
  • One-Port Error Model and Calibration
  • Two-Port Error Models and Calibration
    • 12-Term Method
    • 16-Term Method
    • 8-Term Method
    • 8-Term Examples
  • Measuring S-parameters
  • E-Cal
  • Accuracy of Error-Correction
presentation outline2
Presentation Outline
  • Network Analyzer Block Diagram and Error Model
  • System Error Model for Error-Correction
  • One-Port Error Model and Calibration
  • Two-Port Error Models and Calibration
    • 12-Term Method
    • 16-Term Method
    • 8-Term Method
    • 8-Term Examples
  • Measuring S-parameters
  • E-Cal
  • Accuracy of Error-Correction
presentation outline3
Presentation Outline
  • Network Analyzer Block Diagram and Error Model
  • System Error Model for Error-Correction
  • One-Port Error Model and Calibration
  • Two-Port Error Models and Calibration
    • 12-Term Method
    • 16-Term Method
    • 8-Term Method
    • 8-Term Examples
  • Measuring S-parameters
  • E-Cal
  • Accuracy of Error-Correction
presentation outline4
Presentation Outline
  • Network Analyzer Block Diagram and Error Model
  • System Error Model for Error-Correction
  • One-Port Error Model and Calibration
  • Two-Port Error Models and Calibration
    • 12-Term Method
    • 16-Term Method
    • 8-Term Method
    • 8-Term Examples
  • Measuring S-parameters
  • E-Cal
  • Accuracy of Error-Correction
presentation outline5
Presentation Outline
  • Network Analyzer Block Diagram and Error Model
  • System Error Model for Error-Correction
  • One-Port Error Model and Calibration
  • Two-Port Error Models and Calibration
    • 12-Term Method
    • 16-Term Method
    • 8-Term Method
    • 8-Term Examples
  • Measuring S-parameters
  • E-Cal
  • Accuracy of Error-Correction
8 term to 12 term forward
8-Term to 12-Term: Forward

12-term model if add 2 crosstalk terms

slide33

8-Term to 12-Term: Reverse

12-term model if add 2 crosstalk terms

presentation outline6
Presentation Outline
  • Network Analyzer Block Diagram and Error Model
  • System Error Model for Error-Correction
  • One-Port Error Model and Calibration
  • Two-Port Error Models and Calibration
    • 12-Term Method
    • 16-Term Method
    • 8-Term Method
    • 8-Term Examples
  • Measuring S-parameters
  • E-Cal
  • Accuracy of Error-Correction
presentation outline7
Presentation Outline
  • Network Analyzer Block Diagram and Error Model
  • System Error Model for Error-Correction
  • One-Port Error Model and Calibration
  • Two-Port Error Models and Calibration
    • 12-Term Method
    • 16-Term Method
    • 8-Term Method
    • 8-Term Examples
  • Measuring S-parameters
  • E-Cal
  • Accuracy of Error-Correction
presentation outline8
Presentation Outline
  • Network Analyzer Block Diagram and Error Model
  • System Error Model for Error-Correction
  • One-Port Error Model and Calibration
  • Two-Port Error Models and Calibration
    • 12-Term Method
    • 16-Term Method
    • 8-Term Method
    • 8-Term Examples
  • Measuring S-parameters
  • E-Cal
  • Accuracy of Error-Correction
electronic calibration standards
Electronic Calibration Standards

Dave Blackham

& Ken Wong

electronic calibration standards are transfer standards
Electronic Calibration Standards are Transfer Standards

Definition:

Devices that derived their characteristics

from measured data relative

to primary or physical standards or other

transfer standards.

Dave Blackham

& Ken Wong

first generation solid state electronic calibrator
First Generation Solid State Electronic Calibrator

Transmission Line

PIN Diodes

Dave Blackham

& Ken Wong

second generation solid state electronic calibrator
Second Generation Solid State Electronic Calibrator

Discrete FET Switches

PORT B

PORT A

Dave Blackham

& Ken Wong

second gen e cal impedance states
Second Gen E-Cal Impedance States

Dave Blackham

& Ken Wong

third generation e cal
Third Generation E-Cal

PORT A

MMIC

PORT B

Dave Blackham

& Ken Wong

typical e cal calibration set up
Typical E-Cal Calibration Set-Up

Dave Blackham

& Ken Wong

1 port calibration e cal case

-1

[C] is also the covariance matrix

H = conjugate transpose

1-Port Calibration: E-Cal Case

[A] *[E] = [M]

(31)

Dave Blackham

& Ken Wong

differences of calculated system error terms
Differences of Calculated System Error Terms

|Ref Cal – ECal|

Delta Directivity

Delta Source Match

Dave Blackham

& Ken Wong

differences of calculated system error terms1
Differences of Calculated System Error Terms

|Ref Cal - ECal|

Delta Transmission Tracking

Delta Reflection Tracking

Dave Blackham

& Ken Wong

noninsertable calibration using e cal
Noninsertable Calibration Using E-Cal
  • Noninsertable ECal Module
  • Insetable ECal Module + Unknown Thru or Adapter Removal
  • User Characterization

Dave Blackham

& Ken Wong

noninsertable e cal module
Noninsertable E-Cal Module

SAME GENDER

MIX CONNECTOR

Dave Blackham

& Ken Wong

insertable e cal unknown thru
Insertable E-Cal + Unknown Thru

VNA

Cal Port-1

Dave Blackham

& Ken Wong

insertable e cal unknown thru1
Insertable E-Cal + Unknown Thru

VNA

Cal Port-2

Dave Blackham

& Ken Wong

insertable e cal unknown thru2
Insertable E-Cal + Unknown Thru

VNA

Connect Unknown Thru

Dave Blackham

& Ken Wong

fixture embedding
Fixture Embedding

Characterize E-Cal

Full 2-port Cal

Dave Blackham

& Ken Wong

insitu calibration 2 port e cal
Insitu Calibration – 2-port E-Cal

Requires External Software

VNA

MEASUREMENT

PORTS

Dave Blackham

& Ken Wong

presentation outline9
Presentation Outline
  • Network Analyzer Block Diagram and Error Model
  • System Error Model for Error-Correction
  • One-Port Error Model and Calibration
  • Two-Port Error Models and Calibration
    • 12-Term Method
    • 16-Term Method
    • 8-Term Method
    • 8-Term Examples
  • Measuring S-parameters
  • E-Cal
  • Accuracy of Error-Correction
accuracy of error correction3
Accuracy of Error Correction

APC-7 (7 mm Coax) at 18 GHz