Trading-off stability for efficiency in designing switching-mode GaN PAs for WiMAX applications
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Bibliographic record
Abstract
This paper presents a 10 W, 2.4 GHz switching-mode power with a GaN HEMT transistor for WiMAX applications. By trading the stability for the efficiency, the overall power efficiency of the designed PA can be increased. It is shown in this paper that the parasitic effect introduced by the stability circuit affects the waveform shaping at large-signal drive level in switching mode PAs and consequently degrades its maximum peak efficiency. Hence, by using a potentially instable design, the efficiency and gain performance of a given transistor can be increased compared to an unconditionally stable design. To validate this approach an inverse class F PA was manufactured and tested. The power added efficiency and gain performance increased by 3.5% and 0.25 dB to reach 72% and 14.5 dB, respectively, when using a potentially instable design.
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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