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19th European Frequency and Time Forum, Besançon, France. March 2005, France (2005)

Realization of a 5 and 10 MHz High Performance Isolation Distribution Amplifier for short term frequency stability measurements of frequency sources

Patrice Salzenstein 1, Franck Lardet-Vieudrin 1

(2005)

Our Laboratoire National d'Essai (LNE) associate laboratory is accredited to deliver calibration certificates in the short term domain. For spectral density of phase noise and short term frequency stability measurements, it is necessary to have the best reference source signals. However, the noise of the distribution amplifier has to be the weakest possible in order to keep the lowest noise floor. In order to deliver references signals, we achieve a high performances distribution amplifier. In terms of Allan variance, performance of the realized four channels distribution amplifier is respectively better than sigmay(to=1s) = 1,4.10-14 and 7,3.10-15 at 5 and 10 MHz. The intrinsic spectral density of phase noise is then better than Sphi(1Hz) = –141,4 dB.rad²/Hz at 5 MHz and –141 dB.rad²/Hz at 10 MHz with a 1/f slope.

1 :	Franche-Comté Électronique Mécanique, Thermique et Optique - Sciences et Technologies (FEMTO-ST)
	CNRS : UMR6174 – Université de Franche-Comté – Université de Technologie de Belfort-Montbeliard – Ecole Nationale Supérieure de Mécanique et des Microtechniques

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Contributeur : Patrice Salzenstein <>

Soumis le : Vendredi 14 Avril 2006, 12:12:30

Dernière modification le : Vendredi 26 Mars 2010, 18:01:04