Compact Transformer-Based Distributed Amplifier for UWB Systems
Why this work is in the frame
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Bibliographic record
Abstract
This brief presents a new compact structure of distributed amplifiers (DAs) employing integrated transformers to lower the impedance values of input and output transmission lines. This impedance conversion allows us to employ smaller inductors for input and output transmission lines than those used in conventional DAs, resulting in a considerable saving of chip area. A fabricated five-stage DA in 0.18-μm complementary metal-oxide-semiconductor technology presents an average gain of 12 dB over a bandwidth of 3.4-11 GHz. The measured input return loss is less than 9.2 dB, and the output return loss is less than 9.5 dB over the entire bandwidth. With a chip area of 0.76 mm × 0.4 mm, the amplifier consumes 38 mW from a 1.8-V direct-current 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) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 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