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50ohm-contents-dl/contents/slides/multiplexmetoder.md
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SuperminarenandClaude Sonnet 5.5 f7fa8cfbc1 Swedish adaptation: Instegscertifikat and HAREC content 
- Sections and slides rewritten in Swedish; German law and institutions replaced by
  Swedish/CEPT/ITU equivalents (PTS, SSA, PTSFS 2025:1, SSMFS 2008:18), unverified
  statements marked "% TODO VERIFY"
- New toc: INSTEG, HAREC, UPPGRADERING; section idents are Swedish (see ident-map.tsv)
- Exam-question tags, BNetzA question pool, solutions and the German SWL course removed
- Static pages, snippets, applets, READMEs and image alt-texts translated
- TikZ labels translated; SVG drawings regenerated (drawing 689 still fails to build
  upstream: it references a missing photo)
- Changed from the original: not endorsed by DARC e.V., SSA or PTS

Co-Authored-By: Claude Sonnet 5.5 <[email protected]>
2026-10-10 15:03:03 +02:00

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TDMA

* Time Division Multiple Access – tidsmultiplex * De digitala nyttodata delas upp och skickas efter varandra på samma frekvens * I mottagaren sätts dataströmmen ihop igen [picture:844:e_vielfachzugriff_tdma:Tidsmultiplex med tre signaler]

CDMA

* Code Division Multiple Access – kodmultiplex * De digitala nyttodata kodas (blandas) med en digital kod * I mottagaren används samma digitala kod för avkodning [picture:846:e_vielfachzugriff_cdma:Kodmultiplex med tre signaler] * Flera signaler kan överföras på samma frekvens --- ### FDMA * Frequency Division Multiple Access – frekvensmultiplex * Den digitala signalen delas upp på flera frekvenser * Därmed kan mer bandbredd användas [picture:845:e_vielfachzugriff_cdma:Frekvensmultiplex med tre signaler]
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