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Stavelet Clocks

Stavelet Clocks. Stavelet Numerology. The Stavelet. Probe Points. DCLK, BR. BCO after Blocking C (TR). BCO, BL. BCO before Blocking C (TL). H0: BCO after blocking capacitors. H0: BCO before blocking capacitors. H0: DCLK at hybrid termination resistor.

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Stavelet Clocks

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  1. Stavelet Clocks

  2. Stavelet Numerology The Stavelet

  3. Probe Points DCLK, BR BCO after Blocking C (TR) BCO, BL BCO before Blocking C (TL)

  4. H0: BCO after blocking capacitors H0: BCO before blocking capacitors H0: DCLK at hybrid termination resistor H0: BCO at hybrid termination resistor

  5. H1: BCO after blocking capacitors H1: BCO before blocking capacitors H1: BCO at hybrid termination resistor H1: DCLK at hybrid termination resistor

  6. H2: BCO after blocking capacitors H2: BCO before blocking capacitors H2: BCO at hybrid termination resistor H2: DCLK at hybrid termination resistor

  7. H3: BCO after blocking capacitors H3: BCO before blocking capacitors H3: BCO at hybrid termination resistor H3: DCLK at hybrid termination resistor

  8. H4: BCO after blocking capacitors H4: BCO before blocking capacitors H4: BCO at hybrid termination resistor H4: DCLK at hybrid termination resistor

  9. H5: BCO after blocking capacitors H5: BCO before blocking capacitors H5: BCO at hybrid termination resistor H5: DCLK at hybrid termination resistor

  10. H6: BCO after blocking capacitors H6: BCO before blocking capacitors H6: BCO at hybrid termination resistor H6: DCLK at hybrid termination resistor

  11. H7: BCO after blocking capacitors H7: BCO before blocking capacitors H7: BCO at hybrid termination resistor H7: DCLK at hybrid termination resistor

  12. Data Summaries, Notes and Suggestions • Notes: • System clock (BCO) is 42 MHz • Periods 1 and 2 are almost the same (except for H5) • Period 3 is consistently short: effect of 42MHz clock? • Period 4 is always 8.0 nS • Period data read from graphs, error 0.2nS Suggestions: Change to 40MHz clock Investigate H5 and one other in more detail Seek to determine firing point at BBC input Adjust terminations

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