Fully Integrated High-Voltage Front-End Interface for Ultrasonic Sensing Applications
Why this work is in the frame
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Bibliographic record
Abstract
This paper concerns the design and implementation of a fully integrated high-voltage (HV) front-end transducer for ultrasonic sensing applications. This includes a programmable HV dc-dc converter (HVDC), a drive amplifier, and a tuneable pulse generator. The HVDC is based on a multistage two-phase voltage doubler and static level up shifters. The drive amplifier is composed of a static level-up stage and a Class-D switching output stage. Post-layout simulation and experimental silicon results are reported for two HVDC stages and a drive amplifier, which were fabricated using a 0.8-mum CMOS/DMOS process and having a supply voltage of 5 V/400 V. The measurement results confirm the validation of the HV circuit implementation and its design optimization. An output voltage of up to 200 V was obtained from the HVDC. Also, the drive amplifier generates spikes up to 148 V, with rise and fall times of 69 and 58 ns, respectively. The peak current flowing through the transducer element can be as high as 200 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 | 0.001 | 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 | 0.001 | 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