A 10–Gb/s clock recovery circuit with linear phase detector and coupled two–stage ring oscillator
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Bibliographic record
Abstract
This paper describes the design and fabrication of a 10-Gb/s clock recovery circuit. This clock recovery circuit utilizes a novel half-rate linear phase detector. The voltage-controlled oscillator within the system consists of two two-stage ring oscillators which are coupled to each other and oscillate with the same frequency and a phase shift of 45 degrees. This coupled two-stage ring can osciliate in the frequency range of 3-11GHz The proposed clock recovery system is fabricated in a CMOS 0.18µm technology. The circuit dissipates 120mW power from a 1.8V power supply. The RMS jitter of the recovered clock is 2ps. The effective size of the layout is 250µm × 300µm.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it