Accumulation-Mode MOS Varactors for RF CMOS Low-Noise Amplifiers
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Bibliographic record
Abstract
A new RF model for an AMOS varactor is presented for 0.18mum CMOS. This model is the first reported for frequencies above 20 GHz in a standard CMOS technology. It does not rely on boundary conditions for different modes of operation and all component values in the model are calculated using clearly defined physical equations, making it easily adaptable to any varactor layout or even other CMOS technology nodes. The presented varactors are then implemented as neutralizing capacitances in a 23 GHz, two-stage, differential low-noise amplifier (LNA) design. Measured results of the fabricated LNA include a peak gain of 7.7 dB and a minimum noise figure of 4.5 dB at a frequency of approximately 23 GHz
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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 | 0.000 |
| 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