Gain-Enhanced Distributed Amplifier Using Negative Capacitance
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Bibliographic record
Abstract
This paper presents a new high-gain structure for the distributed amplifier. Negative capacitance cells are exploited to ameliorate the loading effects of parasitic capacitors of gain cells in order to improve the gain of the distributed amplifier while keeping the desired bandwidth. In addition, the negative capacitance circuit creates a negative resistance that can be used to increase the amplifier bandwidth. Implemented in 0.13-μm IBM's CMRF8SF CMOS, the proposed six-stage distributed amplifier presents an average gain of 13.2 dB over a bandwidth of 29.4 GHz. The measured input return loss is less than -9 dB and the output return loss is less than -9.5 dB over the entire bandwidth. With a chip area of 1.5 mm × 0.8 mm, the amplifier consumes 136 mW from a 1.5-V dc power supply.
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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 | 0.000 | 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