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Record W2159036292 · doi:10.1109/imtc.1999.776106

High resolution floating-point analog-to-digital converter

2003· article· en· W2159036292 on OpenAlexaff
Voicu Groza

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldEngineering
TopicAnalog and Mixed-Signal Circuit Design
Canadian institutionsUniversity of Ottawa
Fundersnot available
KeywordsSuccessive approximation ADCConvertersAnalog-to-digital converterEffective number of bitsComputer scienceFloating pointExponentPoint (geometry)Representation (politics)Electronic engineeringSet (abstract data type)AlgorithmMathematicsElectrical engineeringCapacitorEngineeringVoltageCMOS

Abstract

fetched live from OpenAlex

Floating-Point Analog-to-Digital Converters (FPADC) are required for acquiring high dynamic signals. This paper presents an FP-ADC conceived to realize a higher acquisition rate, while preserving the accuracy of classical solutions. In the proposed circuit, two ADCs operates simultaneously, in parallel: one acquires the exponent, while the second one, with a variable gain, finds out the best representation of mantissa. If an incorrect gain was set, the conversion is repeated based on the last acquired exponent. It is shown in the present paper, both theoretically and by simulation, that this new FP-ADC exhibits superior statistical characteristics. The domain of the input signals that can be converted by the FP-ADC is several orders of magnitude higher than that of a fixed-point ADC. Compared to classic FP-ADCs, this new FP-ADC is characterized by a higher acquisition rate.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.002
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.003
Threshold uncertainty score0.009

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.002
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.000
Science and technology studies0.0000.000
Scholarly communication0.0010.001
Open science0.0010.000
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0030.001

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.

Opus teacher head0.009
GPT teacher head0.183
Teacher spread0.173 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designBench or experimental
Domainnot available
GenreEmpirical

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".

Quick stats

Citations12
Published2003
Admission routes1
Has abstractyes

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Same topicAnalog and Mixed-Signal Circuit DesignFrench-language works237,207