Agilent Technologies E5503A Guide de l'utilisateur Page 339

  • Télécharger
  • Ajouter à mon manuel
  • Imprimer
  • Page
    / 465
  • Table des matières
  • MARQUE LIVRES
  • Noté. / 5. Basé sur avis des utilisateurs
Vue de la page 338
12-18
Agilent Technologies E5500 Phase Noise Measurement System
AM Noise Measurement Fundamentals
Method 3: Single-Sided-Spur
3. Measure the carrier-to-single-sided-spur ratio and the spur offset at the
input to the AM detector with an RF spectrum analyzer. The spur should
be adjusted such that it is between –30 and –60 dBc, with a carrier offset
of 10 Hz to 20 MHz.
Figure 12-19 Measuring Relative Spur Level
4. Reconnect the AM detector and measure the detector sensitivity.
Figure 12-20 Measuring Detector Sensitivity
5. Turn off the spur source output.
6. Measure noise data and interpret the results.
NOTE The quadrature meter should be at zero volts due to the blocking capacitor at
the AM detectors output.
Vue de la page 338
1 2 ... 334 335 336 337 338 339 340 341 342 343 344 ... 464 465

Commentaires sur ces manuels

Pas de commentaire