A Quad-Band Doherty Power Amplifier Based on T-Section Coupled Lines
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Bibliographic record
Abstract
This letter proposes a new design technique for quad-band Doherty power amplifier (DPA) based on the T-section coupled lines network (TCLN). The TCLN allows for the design of a quad-band impedance inverter at three arbitrary frequencies and one associated frequency offering more flexibility in the design of quad-band DPAs than the state of the art. The ratio of the largest operating frequency to the smallest operating frequency is found in the range 1.95 to 7, as the ratio of the other two operating frequencies is located in the range of 1.3 to 2.76. A quad-band DPA is implemented with TCLN, operating at 0.73, 1.65, 2.67, and 3.57GHz. The measured results agree with the anticipation perfectly.
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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