Generalized design of continuous‐mode second harmonic tuned amplifiers
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Bibliographic record
Abstract
ABSTRACT This article presents generalized design equations for achieving broadband second harmonic tuned power amplifiers (PAs) that are operated in class‐B, class‐AB, or class‐A bias conditions. The investigation is carried out by deriving the general intrinsic drain current and voltage waveforms for conduction angle, α , varying between 180 and 360°. New impedance solutions are then extracted using the generalized current and voltage equations. Shifted fundamental design space and expanded second harmonic impedance area are obtained when α is swept between 180 and 360°. A Gallium Nitride (GaN) fabricated PA is operated in class‐AB and delivers an output power greater than 40 dBm with minimum drain efficiency of 73% in the frequency band ranging from 500 to 950 MHz. © 2016 Wiley Periodicals, Inc. Microwave Opt Technol Lett 58:2787–2789, 2016
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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 | 0.001 |
| 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)
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Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
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