A 2.5mW inductorless wideband VGA with dual feedback DC-offset correction in 90nm CMOS technology
Why this work is in the frame
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Bibliographic record
Abstract
A low power inductorless wideband variable gain control amplifier (VGA) for baseband receivers has been designed in a standard digital 90nm CMOS technology. The VGA was implemented using four-stage modified Cherry-Hooper amplifier with a dual feedback DC-offset canceling network, which simultaneously corrects DC offsets and extends bandwidth without a peaking inductor resulting in saving the chip space significantly. The proposed VGA has been measured using on-chip probing and achieves a 3-dB bandwidth of more than 2.2GHz with 60dB gain tuning range. It consumes 2.5mW through a 1V supply (excluding the output buffer), and occupies only 0.01mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> active area.
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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 | 0.001 |
| 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