en

frequency synthesizer

1

Terminological databases

Engineering, Manufacturing and Construction

Metroloogia terminibaas

ID 1199877 Last modified 26.10.2026
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Domain metrologymeasuring instruments
  • elektroonikaahelaga seade, mis tekitab ühe võrdlussageduse põhjal mitmesuguseid erinevaid sagedusi
  • electronic circuit that generates a range of frequencies from a single reference frequency
sagedussüntesaator
Usage examples
  • Sagedussüntesaatorit kasutatakse sellistes seadmetes nagu raadiovastuvõtjad, telerid, mobiiltelefonid, raadiotelefonid, raadiosaatjad, CB-raadiod, kaabeltelevisiooni konverterid, satelliitvastuvõtjad ja GPS-süsteemid. Sagedussüntesaator võib oma sageduste genereerimiseks kasutada sageduste korrutamise, sageduste jagamise, otsese digitaalse sünteesi, sageduste segamise ja faasilukustuse tehnikaid. Sagedussüntesaatori väljundi stabiilsus ja täpsus on seotud selle võrdlussageduse sisendi stabiilsuse ja täpsusega. Seetõttu kasutavad süntesaatorid stabiilseid ja täpseid võrdlussagedusi, näiteks neid, mida pakub kristallostsillaator.
frequency synthesizer
Usage examples
  • Frequency synthesizer is use in devices such as radio receivers, televisions, mobile telephones, radiotelephones, walkie-talkies, CB radios, cable television converter boxes, satellite receivers, and GPS systems. A frequency synthesizer may use the techniques of frequency multiplication, frequency division, direct digital synthesis, frequency mixing, and phase-locked loops to generate its frequencies. The stability and accuracy of the frequency synthesizer's output are related to the stability and accuracy of its reference frequency input. Consequently, synthesizers use stable and accurate reference frequencies, such as those provided by a crystal oscillator.

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