A DC to 220-GHz High-Isolation SPST Switch in 22-nm FDSOI CMOS
Why this work is in the frame
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Bibliographic record
Abstract
A wideband single-pole single-throw (SPST) switch covering the dc to 220-GHz frequency range is presented in this letter. A four-element distributed topology is used to extend operation to the upper millimeter-wave band. With a combination of front-gate and back-gate biasing, unique to fully depleted silicon-on-insulator (FDSOI) MOSFETs, and enabled by the thick metal/dielectric backend of the technology, the switch achieves an insertion loss of 3.1 dB and an isolation of 37 dB at 220 GHz, as well as a peak isolation of 58 dB at 200 GHz, without deembedding the pads. A G-band variable gain low-noise amplifier featuring the SPST switch shows >50-dB gain control range, with a maximum peak gain of 9.5 dB at 190 GHz and a 3-dB bandwidth from 180 to 203 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