Chalcogenide GeTe-Based Non-Volatile Switched K-Band Tunable Reflective Load for Reconfigurable RF Circuits
Bibliographic record
Abstract
This paper reports the design and fabrication of a monolithically integrated tunable reflective load. The device is optimized to operate in <tex xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">$K$</tex> -Band and developed utilizing phase change material (PCM) germanium telluride (GeTe) to gain switching functionality. The proposed device utilizes a disc shaped resonator loaded with switched eight metal-insulator-metal (MIM) monolithic lumped component. The lumped components are monolithically integrated with eight non-volatile PCM radio frequency (RF) series switches in a compact 0.5 mm × 0.5 mm package including the pads of the CPW input port and the control pads. The resonance frequency of various states is pushed beyond 40 GHz to get a resonance-free K-Band (18 GHz to 26.5 GHz) tuning zone. The device is fabricated using an eight-layer in-house optimized microfabrication process. The integrated RF PCM switches exhibit excellent RF performance with measured insertion loss lower than 0.2 dB and isolation better than 30 dB over operational bandwidth. The proposed switched reflective load promises to be useful in developing various reconfigurable RF circuits.
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How this classification was reachedexpand
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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.004 | 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".