Ultra-Wideband Front-End With Tunable Notch Filter
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Bibliographic record
Abstract
This paper presents the design of an LNA with integrated tunable notch filter targeted for UWB receivers. Impulse-based UWB systems suffer from an increased BER in the presence of strong interferers due to reduced SNR. The first stage of the LNA achieves a wideband input match while the second stage employs an integrated bridged-T filter for interferer cancellation. The LNA has been implemented in a standard 0.18mum CMOS process. Simulated results show the notch filter is tunable from 3.5GHz to 7.0GHz with greater than 40dB of rejection. For a notch frequency of 5.3GHz, the noise figure and gain at 3.5GHz are 4.1dB and 12.1dB respectively
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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) | 0.002 | 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