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Record W4385154449 · doi:10.1109/access.2023.3297877

A Systematic Approach of Generalized Reactance Compensation Technique in Wideband Class-E Power Amplifier for Lower High Frequency (HF) Bands

2023· article· en· W4385154449 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueIEEE Access · 2023
Typearticle
Languageen
FieldEngineering
TopicAdvanced Power Amplifier Design
Canadian institutionsUniversity of British Columbia, Okanagan CampusUniversity of British Columbia
FundersUniversiti Teknologi MalaysiaMinistry of Higher Education, MalaysiaMultimedia University
KeywordsReactanceWidebandAmplifierBandwidth (computing)CapacitorElectronic engineeringComputer scienceCompensation (psychology)Control theory (sociology)Electrical engineeringEngineeringTelecommunicationsVoltage

Abstract

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This paper discusses about systematic design approach of Reactance Compensated Class-E. The theory behind conventional Class-E is described then differences between Reactance Compensation Class-E is explained and derived. The reactance compensated Class-E gives better high efficiency bandwidth. The range of shunt capacitor value that can maintain high efficiency operation also increases compared to conventional Class-E. The overall impedance for reactance compensated Class-E is derived and shows that it is the same as Class-E. The contribution of this paper is to present a high-performance wideband Class-E Power Amplifier in the operating frequency of low MHz range for the first time. Also, a systematic design approach on the theoretical derivation of Class-E Power Amplifiers with reactance compensation method is presented in this work. To prove the efficiency and correctness of the designing method and simulation results, we fabricated and measured the proposed design. Wideband Class-E Power Amplifier at low MHz frequency is achieved. The results show that all simulation, designing methods and experimental results confirm each other. The theoretical results show that reactance compensated Class-E gives at least 17.3% and for simulated result, it shows at least 33.3% increase in high efficiency bandwidth compared to conventional Class-E. The measurement result shows the reactance compensation technique shows an increase in its high efficiency bandwidth by 52.3% compared to conventional Class-E. Reactance compensation can be used to improve the high efficiency bandwidth of conventional Class-E and shows promises in realizing wideband Class-E. As the overall impedance of reactance compensated Class-E is the same as conventional Class-E, implementing this method would simplify the analysis in other high efficiency amplifier topologies like push-pull, Doherty, and Outphasing.

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.

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.848
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.029
GPT teacher head0.283
Teacher spread0.254 · 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