Reducing the temperature effect on a CMOS transconductance and its application in g/sub m/-C filters
Bibliographic record
Abstract
A new negative feedback technique is applied to stabilize changes in the transconductance of a CMOS operational transconductance amplifier (OTA) with temperature variations over the industrial range of -30/spl deg/C to +85/spl deg/C. Since OTAs are used as the basic building blocks in various g/sub m/-C filters, stabilizing the transconductance brings stability in the frequency and quality factor of the filters built from these OTAs. To validate this notion, a second order band-pass filter with 10 MHz center frequency has been built with the temperature stabilized OTAs. The whole system has been implemented in TSMC 0.18 /spl mu/m CMOS technology available through the Canadian Microelectronics Corporation (CMC) and tested in the laboratory. The experimental results show close agreement with the theoretical expectations.
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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 | 0.000 |
| 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 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".