Integrated Design of a Class-J Power Amplifier
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Bibliographic record
Abstract
This paper discusses the design of a monolithic microwave integrated circuit (MMIC) class-J GaN power amplifier (PA). Theoretical derivations of optimum load impedances, output power, and efficiency are presented to demonstrate their dependence on the quality factor of the integrated inductor used in the output matching network. A group of design curves are obtained to select the optimum transistor size and impedance according to the required output power and efficiency for a given inductor loss. An analytical-based design methodology using the design curves is proposed. To verify the accuracy of this analytical design approach, an integrated 0.5-W 15-V monolithic microwave integrated circuit PA is fabricated in 0.8-μm GaN technology. The PA exhibits greater than 50% drain efficiency over 825 MHz, from 2.25 to 3.075 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