Piece-wise-linear amplitude regulation for oscillator with wide range tail current in inductive position sensors
Bibliographic record
Abstract
The variation of oscillator amplitude in inductive position sensors causes a change of noise level on receiving coils, restricting the feasibility of off-line calibration. A method of piece-wise-linear amplitude regulation, realized by adjusting a 7-bit control word n<6:0>, is proposed for oscillators with a wide-range tail current. The n<6:0> is divided into 6 segments, and tail current is made to change exponentially with n<6:0> from segment to segment. This ensures a constant relative amplitude step across all segments, enabling both fast and accurate amplitude regulation. An oscillator with tail current ranged from 0.168 mA to 10.4 mA was designed in a 0.18 μm CMOS process. Simulation results show the maximum amplitude variation at all segments is no more than 70 mV and settling time is the duration of n<6:0>’s monotonic transition from its initial to its final value, in which the affection of amplitude variation upon position accuracy is negligible.
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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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| 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 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".