Fully differential, 40 Gb/s regulated cascode transimpedance amplifier in 0.13 µm SiGe BiCMOS technology
Why this work is in the frame
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Bibliographic record
Abstract
A broadband differential Transimpedance amplifier (TIA) has been designed and measured in 0.13μm BiCMOS Technology. Regulated Cascode (RGC) configuration has been employed to reduce the effect of the large parasitic capacitor of the PIN diode. The added C <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">PD</sub> , representing PIN diode parasitic capacitor, is 300fF. The TIA has 53.6 dBO differential transimpedance gain and 28GHz measured bandwidth. The total measured integrated input referred noise is 6.11μA <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">rms</sub> . The TIA chip including the TIA and 3 stages of buffer consumes 110mW power from a 3V power supply. The active chip area is 330μm×210μm and the total chip area including the pads is 1050μm×530μm.
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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) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 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