Ultra‐low power TIA with variable bandwidth in 0.13 μm CMOS for short‐range optical interconnects
Why this work is in the frame
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Bibliographic record
Abstract
Abstract An ultra‐low power and variable bandwidth transimpedance amplifier (TIA) for short‐range optical interconnects is presented here. The TIA is implemented in a 0.13m complementary metal oxide semiconductor (CMOS) technology. To reduce the power consumption, the TIA is designed using a regulated cascade topology with capacitor degeneration for frequency enhancement and also operates in the weak inversion mode. With a supply voltage of the range 0.7–0.92 V, a reduced power consumption of 2.9–4.6 mW and a variable bandwidth of the range 3–4.9 GHz are achieved. Clear eye diagrams are obtained at 2.5–6.135 Gbps and a BER of less than 10 −12 with input power of −4.3 to −3 dBm at 2.5–6.135 Gbps, respectively. Also, the TIA achieved a transimpedance gain of 51.2–52.4 dBΩ. The small‐sized chip occupied an area of 0.28 × 0.42 mm 2 with pads and 0.1 × 0.1 mm 2 without pads.
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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 | 0.001 | 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 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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 it