A Low Power 8 to 1 Analog Multiplexer for Bio-Signal Acquisition System with a Function of Amplification
Bibliographic record
Abstract
This thesis proposes an ultra low power 8-1 analog multiplexer (MUX) which can deal with low voltage amplitude and low frequency bio-signal, the analog MUX is implemented in IBM 130 nm integrated circuit technology.Also, a bio-signal amplifier with low power consumption, high CMRR, and high gain is connected to the output port of the multiplexer.In this way, the bio-signals can be easily detected and selected.The challenge of this design is how to transfer such low frequency and low amplitude bio-electricity signals from the input port to the output port with low loss, and low distortion.For the analog multiplexer design, a parallel transmission gate structure is used to select the desired signal while keeping the power consumption of the eight-channel analog multiplexer to 807nW.For the amplifier design, a three-stage differential operational amplifier structure was used to amplify the weak bio-signal which passed through the transmission gate structures.The amplifier was designed with a high CMRR 106dB and reasonable gain of 66dB.v 4.2.5 Linearity of the MUX .................
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.006 | 0.002 |
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 source (direct Gemma or distilled Codex), 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".