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Train coder/decoder ECE 775 - project Ivan Razumenić
Introduction <ul><li>  </li></ul>
<ul><li>  </li></ul>Introduction
<ul><li>  </li></ul>Introduction
<ul><li>  </li></ul>Idea
<ul><li>  </li></ul>Goal coder decoder
<ul><li>  </li></ul>Coder design voltage controlled oscillator
<ul><li>  </li></ul>Coder design large voltage drop
<ul><li>  </li></ul>Coder design low voltage drop
<ul><li>  </li></ul>Coder design common collector amp. this would work too
<ul><li>  </li></ul>Coder design common collector amp.
<ul><li>  </li></ul>Coder design galvanic isolation
Coder Design VCO control voltage
Coder Design VCO DAC
<ul><li>  </li></ul>Decoder design VCO DAC PLL
Decoder design VCO DAC PLL ADC
Decoder design VCO DAC PLL ADC higher frequency oscillations expect some noise
Decoder design VCO DAC PLL ADC higher frequency oscillations BP filter expect some noise
Design VCO DAC PLL ADC BP filter only one one-sided supply voltage regulator voltage regulator
It works VCO DAC PLL ADC BP filter voltage regulator voltage regulator
It works, under one condition VCO DAC PLL ADC BP filter voltage regulator voltage regulator
Houston, we have a problem VCO DAC PLL ADC BP filter voltage regulator voltage regulator SNR too low
How to increase SNR? VCO DAC PLL ADC BP filter voltage regulator voltage regulator lower noise power lower BW
How to increase SNR? VCO DAC PLL ADC BP filter voltage regulator voltage regulator lower noise power lower BW
How to increase SNR? VCO DAC PLL ADC BP filter voltage regulator voltage regulator lower noise power lower BW
How to increase SNR? increase signal power VCO DAC PLL ADC BP filter voltage regulator voltage regulator common collector ...
Solution? VCO DAC PLL ADC BP filter voltage regulator common collector amp.
Coding
Questions Train Coder/Decoder Ivan Razumenić
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Train coder/decoder

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Train coder/decoder

  1. 1. Train coder/decoder ECE 775 - project Ivan Razumenić
  2. 2. Introduction <ul><li>  </li></ul>
  3. 3. <ul><li>  </li></ul>Introduction
  4. 4. <ul><li>  </li></ul>Introduction
  5. 5. <ul><li>  </li></ul>Idea
  6. 6. <ul><li>  </li></ul>Goal coder decoder
  7. 7. <ul><li>  </li></ul>Coder design voltage controlled oscillator
  8. 8. <ul><li>  </li></ul>Coder design large voltage drop
  9. 9. <ul><li>  </li></ul>Coder design low voltage drop
  10. 10. <ul><li>  </li></ul>Coder design common collector amp. this would work too
  11. 11. <ul><li>  </li></ul>Coder design common collector amp.
  12. 12. <ul><li>  </li></ul>Coder design galvanic isolation
  13. 13. Coder Design VCO control voltage
  14. 14. Coder Design VCO DAC
  15. 15. <ul><li>  </li></ul>Decoder design VCO DAC PLL
  16. 16. Decoder design VCO DAC PLL ADC
  17. 17. Decoder design VCO DAC PLL ADC higher frequency oscillations expect some noise
  18. 18. Decoder design VCO DAC PLL ADC higher frequency oscillations BP filter expect some noise
  19. 19. Design VCO DAC PLL ADC BP filter only one one-sided supply voltage regulator voltage regulator
  20. 20. It works VCO DAC PLL ADC BP filter voltage regulator voltage regulator
  21. 21. It works, under one condition VCO DAC PLL ADC BP filter voltage regulator voltage regulator
  22. 22. Houston, we have a problem VCO DAC PLL ADC BP filter voltage regulator voltage regulator SNR too low
  23. 23. How to increase SNR? VCO DAC PLL ADC BP filter voltage regulator voltage regulator lower noise power lower BW
  24. 24. How to increase SNR? VCO DAC PLL ADC BP filter voltage regulator voltage regulator lower noise power lower BW
  25. 25. How to increase SNR? VCO DAC PLL ADC BP filter voltage regulator voltage regulator lower noise power lower BW
  26. 26. How to increase SNR? increase signal power VCO DAC PLL ADC BP filter voltage regulator voltage regulator common collector amp.
  27. 27. Solution? VCO DAC PLL ADC BP filter voltage regulator common collector amp.
  28. 28. Coding
  29. 29. Questions Train Coder/Decoder Ivan Razumenić

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