Configurable and Intelligent Switched CMOS Current Driver Powering Arrays of Electrothermal Actuators for MEMS Switches
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Bibliographic record
Abstract
A switched constant current driver for a configurable switch network based on electrothermal micro-electromechanical-systems (MEMS) components is presented. A constant current-mode approach is proposed for achieving precise power control over an array of devices that leverage thermal heaters for actuation. This multi-channel actuation circuit is able to power different electrothermal MEMS switches. Interface circuits based on the self-temperature sensing technique of the heater and the ohmic contact property of the actuator are proposed. They provide early detection to address MEMS lifetime concerns, and constitute the main novelty of this research, which is specifically focused on the application. The circuit is implemented in a 0.18 μm BCD technology and occupies an area of 1.3 mm<sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup>. Post-layout simulations show that the system can output current up to 90 mA (R<inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">heater</inf> = 80 Ω) with a resolution of 2 mA.
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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