An 8Gb/s 0.75mW/Gb/s injection-locked receiver with constant jitter tracking bandwidth and accurate quadrature clock generation in 40nm CMOS
Bibliographic record
Abstract
This paper presents an energy-efficient forwarded-clock receiver in 40nm CMOS process. The receiver adopts injection-locked ring oscillator (ILRO) to implement jitter filtering and phase deskew. The proposed cascaded ILROs enable our receiver to maintain a constant jitter tracking bandwidth (JTB) for good jitter tolerance and generate accurate quadrature clocks for quarter-rate sampling. The first-stage ILRO is used to control the JTB and filter out the high-frequency clock jitter that cannot track the data jitter. The second-stage ILRO is injected by the first one's outputs to generate precise quadrature clocks for phase shifting and deskew. The simulation results show our receiver can work at 8Gb/s and consume only 6mW under a 0.9V power supply voltage. The JTB can be controlled up to 260 MHz with a variation less than 20 MHz and the quadrature phase error is minimized to 1°.
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How this classification was reachedexpand
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) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".