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Data conversion techniques, DAT115

Status: Avslutad
Öppen för svar: 2008-03-10 - 2008-04-07
Antal svar: 16
Procent av deltagarna som svarat: 69%
Kontaktperson: Lena Peterson»

Your background

1. My study background is:

16 svarande

Chalmers civilingenjör programme - Electrical Engineering»4 25%
Chalmers civilingenjör programme - Computer Engineering»1 6%
Chalmers civilingenjör - other programme»0 0%
Chalmers högskoleingenjör programme - Electrical Engineering»0 0%
Chalmers högskoleingenjör programme - Computer Engineering»0 0%
Chalmers högskoleingenjör - other programme»0 0%
Other Swedish civilingenjör programme»0 0%
Other Swedish högskoleingenjör programme»2 12%
Foreign university - Electrical Engineering»6 37%
Foreign university - Computer Engineering»0 0%
Foreign university - other programme»3 18%
Other (explain below)»0 0%

Genomsnitt: 6.81

- Did know matlab well from before» (Chalmers civilingenjör programme - Electrical Engineering)

2. I am currently enrolled in this master programme:

16 svarande

Integrated Electronic System Design»9 56%
Communication Engineering»5 31%
Other master programme»0 0%
Not enrolled in master programme»2 12%

Genomsnitt: 1.68

- Also following Complex Adaptive Systems master program.» (Integrated Electronic System Design)
- Unitech student, courses from different masters» (Not enrolled in master programme)

3. Grade your own competence, when entering this course

Matrisfråga

- Sufficient to pass the course but not enough sufficient to understand all»

Matlab
16 svarande

Poor»0 0%
Less than sufficient»7 43%
Sufficient»3 18%
More than sufficient»3 18%
Good»3 18%

Genomsnitt: 3.12

Circuits
16 svarande

Poor»2 12%
Less than sufficient»3 18%
Sufficient»4 25%
More than sufficient»6 37%
Good»1 6%

Genomsnitt: 3.06

Signal processing
16 svarande

Poor»0 0%
Less than sufficient»3 18%
Sufficient»6 37%
More than sufficient»4 25%
Good»3 18%

Genomsnitt: 3.43

Your own effort

4. How many hours per week did you spend on this course?

We mean total time, that is, it comprises the time you spent in class and the time you spent on your own work. Try to estimate the average time over the entire study period.

16 svarande

At most 15 hours/week»1 6%
Around 20 hours/week»6 37%
Around 25 hours/week»3 18%
Around 30 hours/week»6 37%
At least 35 hours/week»0 0%

Genomsnitt: 2.87

- Much more for the final project» (Around 30 hours/week)
- More later on in the period» (Around 30 hours/week)

5. How large part of the teaching offered did you attend?

16 svarande

0%»0 0%
25%»2 12%
50%»1 6%
75%»4 25%
100%»9 56%

Genomsnitt: 4.25

- Morning lectures!» (50%)
- Unfortunately, this course collided with other course. But I could manage to participate most important lectures.» (75%)

6. How many other courses did you take this period?

16 svarande

0»0 0%
1»9 56%
2»7 43%
Other (explain below)»0 0%

Genomsnitt: 2.43

Goals and goal fulfilment

The course syllabus states the course goals in terms of learning outcomes, i.e., knowledge, skills and attitudes to be acquired by the student during the course.

7. How understandable are the course goals?

16 svarande

I have not seen/read the goals»1 6%
The goals are difficult to understand»2 12%
The goals give some guidance, but could be clearer»8 50%
The goals clearly describe what I am supposed to learn»5 31%

Genomsnitt: 3.06

8. Are the goals reasonable considering your background and the number of credits?

Answer this this question and the succeeding one, only if you do know the course goals.

14 svarande

No, the goals are set too low»0 0%
Yes, the goals seem reasonable»14 100%
No, the goals are set too high»0 0%

Genomsnitt: 2

- yea» (?)

9. Did the examination assess whether you have reached the goals?

16 svarande

No, not at all»0 0%
To some extent»12 75%
Yes, definitely»2 12%
I don"t know/have not been examined yet»2 12%

Genomsnitt: 2.37

- We could been given some exercises out of Maloberti, so that the exam could be biased toward them. » (To some extent)
- Some questions where out-off-topic!» (To some extent)
- The mock exam seems much difference with the real one...and the real exam is really difficult to answer especially when wanna get a higher grade than 3» (To some extent)
- But somehow far away from the lectures.» (Yes, definitely)

Teaching and course administration

10. To what extent has the teaching been of help for your learning?

16 svarande

Small extent»0 0%
Some extent»5 31%
Large extent»10 62%
Great extent»1 6%

Genomsnitt: 2.75

- I assume you mean the office hours.» (Some extent)

11. To what extent have the lectures been of help for you learning?

16 svarande

Small extent»3 18%
Some extent»5 31%
Large extent»8 50%
Great extent»0 0%

Genomsnitt: 2.31

12. To what extent do you agree on the following statements relating to Vimar Björk"s guest lecture?

Matrisfråga

- Too difficult, too high level»

Showed applications of interest to me
16 svarande

Disagree fully»0 0%
Disagree somewhat»1 9%
Neutral»4 36%
Agree somewhat»4 36%
Agree fully»2 18%
Did not attend»5

Genomsnitt: 3.63

Was understandable to me
16 svarande

Disagree fully»1 9%
Disagree somewhat»3 27%
Neutral»3 27%
Agree somewhat»1 9%
Agree fully»3 27%
Did not attend»5

Genomsnitt: 3.18

I recommend keeping it next year
16 svarande

Disagree fully»0 0%
Disagree somewhat»4 36%
Neutral»3 27%
Agree somewhat»2 18%
Agree fully»2 18%
Did not attend»5

Genomsnitt: 3.18

13. To what extent do you agree with the following statements relating to Tomas McKelvey"s guest lecture?

Matrisfråga

- was out of town»

Showed applications of interest to me
16 svarande

Disagree fully»0 0%
Disagree somewhat»1 11%
Neutral»5 55%
Agree somewhat»2 22%
Agree fully»1 11%
Did not attend»7

Genomsnitt: 3.33

Was understandable to me
16 svarande

Disagree fully»0 0%
Disagree somewhat»0 0%
Neutral»4 44%
Agree somewhat»2 22%
Agree fully»3 33%
Did not attend»7

Genomsnitt: 3.88

I recommend keeping it next year
16 svarande

Disagree fully»0 0%
Disagree somewhat»0 0%
Neutral»5 55%
Agree somewhat»1 11%
Agree fully»3 33%
Did not attend»7

Genomsnitt: 3.77

14. To what extent do you agree on the following statements relating to Jan-Erik Eklund"s guest lecture?

Matrisfråga

Gave an insight into the interpolation principle
15 svarande

Disagree fully»0 0%
Disagree somewhat»0 0%
Neutral»5 38%
Agree somewhat»3 23%
Agree fully»5 38%
Did not attend»2

Genomsnitt: 4

Was understandable to me
16 svarande

Disagree fully»0 0%
Disagree somewhat»0 0%
Neutral»4 28%
Agree somewhat»5 35%
Agree fully»5 35%
Did not attend»2

Genomsnitt: 4.07

I recommend keeping it next year
15 svarande

Disagree fully»0 0%
Disagree somewhat»0 0%
Neutral»4 30%
Agree somewhat»3 23%
Agree fully»6 46%
Did not attend»2

Genomsnitt: 4.15

15. To what extent did the labs help your learning?

16 svarande

Small extent»0 0%
Some extent»2 12%
Large extent»5 31%
Great extent»9 56%

Genomsnitt: 3.43

- The labs were good but there should have been a follow up after each lab. We spent a few hours on each lab and a follow up would have helped to understand much more. I believe most of us made at least one error in the labs and I never learned what was wrong in my labs. A follow up with plots and comments why we got the results we did would have helped. The comment “,Figure x looks fishy”,, only tells me that it is wrong and that is not enough. To help us understand all that Lars intended with the labs we need a summary with comments to all the labs.» (Some extent)
- The design of labs was admirable.» (Great extent)
- Need immediatelly comment» (Great extent)

16. How do you rate the level of difficulty of the labs?

Matrisfråga

- The overall problem was that Lars didn"t spend enougth time then he was doing the lab-pm. »

Lab 0 Matlab primer/refresher
16 svarande

Very easy»1 9%
Somewhat easy»1 9%
Reasonable»8 72%
Somewhat hard»1 9%
Very hard»0 0%
Don"t know/Didn"t attend»5

Genomsnitt: 2.81

Lab 1 Verifying converter properties
16 svarande

Very easy»0 0%
Somewhat easy»0 0%
Reasonable»14 87%
Somewhat hard»1 6%
Very hard»1 6%
Don"t know/Didn"t attend»0

Genomsnitt: 3.18

Lab 2 Component variations in Nyquist converters
16 svarande

Very easy»0 0%
Somewhat easy»0 0%
Reasonable»12 75%
Somewhat hard»3 18%
Very hard»1 6%
Don"t know/Didn"t attend»0

Genomsnitt: 3.31

Lab 3 Oversampled converters
16 svarande

Very easy»0 0%
Somewhat easy»1 6%
Reasonable»12 75%
Somewhat hard»2 12%
Very hard»1 6%
Don"t know/Didn"t attend»0

Genomsnitt: 3.18

17. How do you rate the time necessary for you to complete each of the labs?

Matrisfråga

- The overall problem was that Lars didn"t spend enougth time then he was doing the lab-pm. To much time was spend figuring out what Lars did mean with his lab-pm. »
- The labs 1 to 3 took a long time to do, but not too long.»

Lab 0 Matlab primer/refresher
16 svarande

Much too short»1 10%
Short»3 30%
Appropriate»4 40%
Long»1 10%
Much too long»1 10%
Don"t know/didn"t attend»6

Genomsnitt: 2.8

Lab 1 Verifying converter properties
16 svarande

Much too short»0 0%
Short»1 6%
Appropriate»10 62%
Long»5 31%
Much too long»0 0%
Don"t know/didn"t attend»0

Genomsnitt: 3.25

Lab 2 Component variations in Nyquist converters
16 svarande

Much too short»0 0%
Short»1 6%
Appropriate»4 25%
Long»10 62%
Much too long»1 6%
Don"t know/didn"t attend»0

Genomsnitt: 3.68

Lab 3 Oversampled converters
16 svarande

Much too short»0 0%
Short»1 6%
Appropriate»7 43%
Long»8 50%
Much too long»0 0%
Don"t know/didn"t attend»0

Genomsnitt: 3.43

18. To what extent has the hand-in problem been of help for your learning?

15 svarande

Small extent»1 6%
Some extent»6 40%
Large extent»4 26%
Great extent»4 26%

Genomsnitt: 2.73

- i have not finished it so far ,i believe it is very hard .» (?)
- The hand-in problem had no limits and therefore it was impossible to know when to stop. It was a simplified “,real problem”,. Simplified so that we could do it, but how much it was simplified was not specified.» (Some extent)
- Specifically, we managed to use Simulink in our design, which I believe it completed the puzzles of our simulations tools. » (Large extent)
- but long!» (Large extent)

19. Did you postpone most of the project work until the last week before delivery?

16 svarande

No»8 50%
Yes»8 50%
Don"t know»0 0%

Genomsnitt: 1.5

- Not all of them, even though most parts have been carried out in the last week but it was on-going job. In fact, we got good picture on the problem during first week. » (No)

20. If you answered yes in question 19 above, why did you start so late?

16 svarande

(på denna fråga var det möjligt att välja flera svarsalternativ)

I didn"t know how to start.»1 6%
I didn"t know how hard it was.»1 6%
I needed more theoretical knowledge first.»2 12%
The instructions were unclear.»3 18%
I had deadlines in my other course(s).»6 37%
Other reason (please explain below).»1 6%

- It was because of lab mate moving the days I could work the first week.» ()
- time spend on previous labs» (The instructions were unclear., I had deadlines in my other course(s)., Other reason (please explain below).)

21. To what extent has the the course literature and other material been of help for your learning?

16 svarande

Small extent»1 6%
Some extent»7 43%
Large extent»6 37%
Great extent»2 12%

Genomsnitt: 2.56

- i think the textbook is a bit difficult.» (Some extent)
- The book was quite good but without answerers to the problems it is very difficult to “,understand everything”,. I need to solve problems to really understand. Without answerers I do not know if I have solved the problems correctly. » (Some extent)

22. How well did the course administration, web page, handouts etc work?

16 svarande

Very badly»1 6%
Rather badly»0 0%
Rather well»7 43%
Very well»8 50%

Genomsnitt: 3.37

- faster response on the labs!» (Rather well)

Study climate

23. How were the opportunities for asking questions and getting help?

15 svarande

Very poor»0 0%
Rather poor»2 13%
Rather good»3 20%
Very good»9 60%
I did not seek help»1 6%

Genomsnitt: 3.6

- a lab ass. would be nececary in this course, extreamly to little time to ask. A lab-course with only 4 hours lab is not a labratory course for me. » (Rather poor)
- Very good most of the time.» (Very good)

24. How well has cooperation between you and your fellow students worked?

16 svarande

Very poorly»0 0%
Rather poorly»3 18%
Rather well»5 31%
Very well»8 50%
I did not seek cooperation»0 0%

Genomsnitt: 3.31

25. How was the course workload?

16 svarande

Too low»0 0%
Low»1 6%
Adequate»8 50%
High»6 37%
Too high»1 6%

Genomsnitt: 3.43

26. How was the total workload this study period?

16 svarande

Too low»0 0%
Low»0 0%
Adequate»9 56%
High»4 25%
Too high»3 18%

Genomsnitt: 3.62

Summarizing questions

27. What is your general impression of the course?

16 svarande

Poor»0 0%
Fair»1 6%
Adequate»4 25%
Good»9 56%
Excellent»2 12%

Genomsnitt: 3.75

- The course is good but the different “,parts”, of the course were never tied together. I have a lot of pieces of knowledge but not the whole picture. Exercises and solving problems is one way to use all the parts we have discussed and make us understand more how it is tied together. » (Adequate)
- As it was the first try of course, I believe Lars did excellent job.» (Excellent)

28. What should definitely be preserved to next year?

- Almost all items, the course has now.»
- That you can pass with only labs and hand-in»
- the labs: really helpful in understanding»
- Lars is a inspiration to us all. He knows his field well. »
- Lab, Handin»
- mud cards! Teacher helps us a lot and give us much useful information and explaination by using this. »
- the lectures ,guest lectures,labs »
- The labs.»

29. What should definitely be changed to next year?

- more points for the lab in the finial result»
- Maybe a little more circuit design as we are enjoying having Cadence in Campus.»
- Hand in! More clear directions on the silicon area and power dissipation, as this was briefly introduced on the lectures!»
- maybe more time for the project. the exam was a bit too much focused on guest lectures»
- More lab slots»
- Lars should extend his workload on this course, extend the office hour, spend more time on the lab-pms. Also get a lab ass. »
- Lectures»
- the hand in problem »
- Exercises and problems with answerers are needed.»

30. Additional comments

- I strongly recommend the book " Principles of Data Conversion System design" to considered for next year provided the plan is to introduce more circuits. Simulink can work perfect in parallel with Cadence or other circuit simulator. I strongly recommend the op-amp designed in analog design course would be utilized in this course to bridge between these two courses. In the otherworld the specification of op-amp in analog design could be altered somehow that can be used in this course i.e. design a pipelined A/D.»
- I do know much more about convertion ans signal processing, I think that is something very good.»
- if we can start the hand in problem earlier than this year ?»
- It is unfair to change the rules the day before the exam. Lars informed us that he had decided to have an open-book exam one week before the exam and he said that we could bring books, lab reports, lab PM and lecture slides etc. The day before the exam we were told that we could only bring one book, errata sheets to Maloberti and the lab PM.»

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