Reconfigurable SIW Phase Shifter Based on Parallel Stubs Loaded With Surface Mount p-i-n Diodes
Why this work is in the frame
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Bibliographic record
Abstract
This letter proposes a robust approach for developing a new class of electrically reconfigurable phase shifter. This design employs via posts on substrate integrated waveguide (SIW) technology in conjunction with surface mount p-i-n diodes. To ensure optimal performance over the intended frequency band in a space-efficient manner, the transmission line is based on an SIW, which offers superior low-loss properties. In addition, p-i-n diodes are integrated into the SIW line using transverse coplanar waveguide (CPW) stubs. The efficiency of the proposed design method and the practicality of incorporating an innovative biasing circuit on a single layer without requiring additional wire bonding layers are demonstrated in the experimental prototypes outlined in this letter. This approach facilitates a scalable and modular device design. The principle of achieving such high-quality circuits is detailed and is also confirmed by experimental and theoretical results, which are in good agreement up to at least 6 GHz, validating the design procedure and demonstrating that complex circuit functions can be achieved with relatively inexpensive compact structures. The proposed structure has potential applications in time-varying systems, communication receiving sections, and beamforming networks.
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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 | 0.001 | 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 | 0.001 |
| 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