1. FEMAS Development - Progress
FEMAS Development Team
October 02, 2012

2. Working Plan Task Description Status Estimated Time
2D Cross. Sect. Analys. Testing
Database for 2D cross. sectional analysis testing
Done
06/12/2012
2D Cross. Sect. Analys. Testing Matrix
Matrix description for 2D cross sectional tests
Released New Version
Released Version of FEMAS
06/05/2012
Long-Term Plan
Including known problems/features and input received during EMC consortium
License file
License file - not only in program file
05/28/2012
2D Cross Sect. Task
In 2D cross sect. analysis will be added possibility to correct RLGC data because of “roughness effect”
Export/Load Plot to/from File
Will be added possibility to save/load plot data and settings into/from the file 2

3. Working Plan Task Description Status Estimated Time Delay Problem
Implemented new algorithm, which makes impulse response “Physically causal”
Done
05/21/2012
Circuits
Circuit block in LPA
2D Cross. Sect – Task
2D cross sect. analysis was transformed from tool to task
Pre-emphasis filter testing
Will be compared matlab and FEMAS results
06/26/2012
Documentation
Developers level: descript. of funct.
Users level: Users manual
07/10/2012
Description of algorithms
07/24/2012 3

4. Working Plan Task Description Status Estimated Time
S-parameters Analysis
Technical specification - Updated
Done
07/10/2012
LPA Testing
Database for Link Path Analysis Testing
Implement help system
User’s manual will be converted in html format and added in FEMAS help
Smoothing filter
Change Wp and Ws parameters from rad/sample to frequency Hz
Changes according to Matteo’s suggestions
Default values, Pre-emphasis taps, Move blocks in schematic matrix, arrange names of channels alphabetically 4

5. Working Plan Task Description Status Estimated Time
Change Linear Interpolation Method
We need to interpolate magnitude and phase instead of real and imaginary parts
Done
07/24/2012
Modify pre-emphasis filter
Implement pre-emphasis filter with any number of pre and post taps
Units
Add units everywhere it is possible: Sources - VHigh, VLow, rise/fall time, bitrate, delay, also in eye diagram
Student License
Limited functionality for students
Smoothing Filter Testing
Test smoothing filter and created test report
Update User’s Manual and Functionalities
Users manual and functionalities where updated according changes made during this two week 5

6. Working Plan Task Description Status Time Student License Modified
Custom geometry for 2D Cross Section Analysis is allowed – restriction is 3 traces
Done
07/31/2012
Smoothing Filter
Add option to choose smoothing method: Butterworth/Chebyshev
Jitter Analysis for Input Signal
Added: Random Jitter, Duty Cycle Distortion and Periodic Jitter to the Source Waveform
Fixed bug in AC simulation
New Release
Will be created new version 6

7. Working Plan Task Description Status Time
Added Possibility to Calculate All Tasks in the Project
Added button “Calculate All” in LPA projects
Done
08/14/2012
Signal Analyzer
Added new tool “Signal Analyzer”
Improved LPA Performance
Added possibility to begin or finish channel with 1 port s-parameters block
Testing of jitter injection
Tao has tasted jitter injection for input waveform
Tested Conversion from Time to Frequency Domain
Compared matlab fft FEMAS Conversion tool and Analytically calculated results for Gaussian, Step, … signals
08/21/2012
Added Validation Check in LPA
Will be calculated recommended frequency range for s-parameters and checked if
Added Filter: Inter-Symbol Interference (in GUI) 7

8. Working Plan Task Description Time Custom geometry
It will be possible to create custom geometry from GUI
Done
08/28/2012
T and P Network sequence
In circuit models will be added possibility to define sequence of parallel and sequential T and P networks – Technical Specification
Tx Equalization – De-emphasis
Tx Equalization now consists Pre-emphasis and De-emphasis 8

9. Working Plan Task Description Time Custom geometry
Added – Triangle, Trapezoid, Circle and Ellipse
Done
09/04/2012
Prepared Environment for DLLs
FIR Equalization
Functionality for De-emphasis, Pre-emphasis and FFE equalization is done
FFE Optimization
Functionality for FFE optimization is done
DFE Equalization
Functionality for DFE equalization is done 9

10. Working Plan Task Description Time
Parallel and series of circuit elements
Add possibility to define Parallel and series of circuit element
Done
09/11/2012
Mutual inductance
Integrate possibility in FEMAS to use mutual inductance
Improvement in custom geometry
Added possibility to remove regions from custom geometry 10

11. Working Plan Task Description Time
Custom geometry - Description images
Added description images in GUI for custom geometry
Done
09/18/2012
Mutual inductance
Tested different cases
Change Student License Activation
License issues will be updated according to new specification
Description of functions in Equalization.dll
Created documentation for Equalization: Description of functions and used algorithms (Only CTLE optimization left) 11

12. Working Plan Task Description Time FEMAS interface for equalization
Prepare FEMAS interface for equalization
Done
10/02/2012
Description of functions in Equalization.dll
Added CTLE optimization
09/25/2012
Equalization.dll
CTLE optimization was added
Test Equalization
Preliminary testing for all functionalities is done. Complete test cases and result matrix will be created. The results will be compared to ADS 12

13. Equalization Testing: Test113

14. Equalization Testing: Test214

15. Equalization Testing: Test315

16. Equalization Testing: FFE
Test1 - Original
EH(mV)
EW(ps)
Original 46 48
ADS
113 76
FEMAS
114 78
Cursor:
Post taps:
Pre taps:
FEMAS
Cursor:
Post taps: , ,
Pre taps:
ADS
Test1 –FFE: FEMAS
Test1 –FFE: ADS 16

17. Equalization Testing: FFE
Test2 – Original
EH(mV)
EW(ps)
Original
450 94
ADS
447
FEMAS
448 93
Cursor:
Post taps:
Pre taps:
FEMAS
Cursor:
Post taps:
Pre taps:
ADS
Test2 –FFE: ADS
Test2 – FFE: FEMAS 17

18. Equalization Testing: FFE
Test3 – Original
EH(mV)
EW(ps)
Original
443 93
ADS
385 89
FEMAS
384
Cursor:
Post taps:
Pre taps:
FEMAS
Cursor:
Post taps:
Pre taps:
ADS
Test3 –FFE: ADS
Test3 –FFE: FEMAS 18

19. Equalization Testing: FFE + DFE
Test1 –FFE
EH(mV)
EW(ps)
Original
113 76
ADS 77
FEMAS
133 75
FEMAS
ADS
Test1 –FFE + DFE: ADS
Test1 –FFE + DFE: FEMAS 19

20. Equalization Testing: FFE + DFE
Test2 –FFE
EH(mV)
EW(ps)
Original
447 94
ADS
FEMAS
398 90
FEMAS
ADS
Test2 –FFE + DFE: ADS
Test2 –FFE + DFE: FEMAS 20

21. Equalization Testing: FFE + DFE
Test3 –FFE
EH(mV)
EW(ps)
Original
385 89
ADS
389 88
FEMAS
356 84
FEMAS
ADS
Test2 –FFE + DFE: ADS
Test3 –FFE + DFE: FEMAS 21

22. Equalization Testing: CTLE
Test1 - Original
Test1 –FFE
EH(mV)
EW(ps)
Original 46 48
ADS
222 80
FEMAS
227
Poles : p1 =5.039GHz peaking frequency = 0.5*( GHZ)
p2 =6.0972GHz peaking gain = 6dB
Zeros : z1 = GHz
Test1 –CTLE: FEMAS
Test1 –CTLE: ADS 22

23. Equalization Testing: CTLE
Test2 – Original
EH(mV)
EW(ps)
Original
450 94
ADS
493 82
FEMAS
494 83
Poles : p1 =5.039GHz peaking frequency = 0.5*( GHZ)
p2 =6.0972GHz peaking gain = 6dB
Zeros : z1 = GHz
Test2 –CTLE: FEMAS
Test2 –CTLE: ADS 23

24. Equalization Testing: CTLE
Test3 –Original
EH(mV)
EW(ps)
Original
443 93
ADS
398 84
FEMAS
397
Poles : p1 =5.039GHz peaking frequency = 0.5*( GHZ)
p2 =6.0972GHz peaking gain = 6dB
Zeros : z1 = GHz
Test3 –CTLE: FEMAS
Test3 –CTLE: ADS 24

25. Equalization Testing: Tx Equalization
Test1 - Original
Test1 –Original
EH(mV)
EW(ps)
Original 46 48
ADS
FEMAS
119 78
Cursor:
Post tap:
Test2 – Tx Equalization: FEMAS
Test1 –Tx: ADS 25

26. Equalization Testing: Tx Equalization
Test2 –Original
EH(mV)
EW(ps)
Original
450 94
ADS
FEMAS
459
Cursor:
Post tap:
Test2 – Tx Equalization: FEMAS
Test2 –Tx: FEMAS 26

27. Equalization Testing: Tx Equalization
Test3 – Original
Test3 –Original
EH(mV)
EW(ps)
Original
443 93
ADS
FEMAS
390 89
Cursor:
Post tap:
Test3 –Tx: FEMAS 27

28. Equalization Testing: FFE-WH
Test1 - Original
EH(mV)
EW(ps)
Original 46 48
FEMAS WH
114 78
FEMAS
113 76
Test1 – FFE – WH: FEMAS
Test1 – FFE: FEMAS 28

29. Equalization Testing: FFE
Test2 – Original
EH(mV)
EW(ps)
Original
450 94
FEMAS WH
443 93
FEMAS
448
Test2 –FFE: FEMAS
Test2 –FFE WH: FEMAS 29

30. Equalization Testing: FFE
Test3 – Original
EH(mV)
EW(ps)
Original
443 93
FEMAS WH
383 88
FEMAS
384 89
Test3 –FFE WH: FEMAS
Test3 –FFE: FEMAS 30

31. Task Description Time Equalization
Create Dll and integrate into FEMAS GUI
10/09/2012
Update documentation
Update user’s manual, functions and algorithms
10/16/2012
Try Different Filters
Use Hamming Window and Rational Function to extrapolate transfer function, when we have not enough frequencies
Jitter decomposition
Misha and Mikheil
S-parameters & Channel Analyzer
Scripting
Impedance Matrix
Geometry for 2D Cross Sect. Analysis
HSpice and PSpice formats in circuit 31