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Post Doc - Frequency reference oscillators for the 5G technology based on acoustic resonators
CEA Tech
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JOB DETAILS
Published: 8 days ago
Application deadline: Unspecified
Location: Grenoble, France
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Post Doc - Frequency reference oscillators for the 5G technology based on acoustic resonators

PsD-DRT-19-0063

RESEARCH FIELD

Electronics and microelectronics - Optoelectronics

ABSTRACT

Millimiter-wave 5G systems require increasing modulation complexities (beyond 64 QAM) as a means to improve data bandwidth, but they are currently limited by the phase noise of local oscillators. Current reference oscillators are based on quartz resonators, limited to frequencies of few MHz. There is therefore a need for high-performance and high-frequency alternatives. Reference oscillators based on acoustic-wave resonators represent a privileged alternative to attain good phase noise performance in the UHF band. In this context, the RF components laboratory of the CEA/Leti has a large experience in the design and fabrication of such devices, as demonstrated by its large scientific output and industrial collaborations. The post-doc will be centred on the development of high-performance acoustic resonators in the UHF band. The objective is to optimize phase noise and temperature stability of reference oscillators, two of the main defining parameters defining their performance. The candidate will be in charge of the design, fabrication and characterization of the acoustic resonators, and the development of strategies to improve their performance.

LOCATION

Département Composants Silicium (LETI)

Laboratoire Composants Radiofréquences

Grenoble

CONTACT PERSON

SANSA PERNA Marc

CEA

DRT/DCOS/SCMS/LCMC

CEA GRENOBLE

Phone number: 04 38 78 57 40

Email: marc.sansaperna@cea.fr

START DATE

As soon as possible

« The age limit is 26 years for PhD offers and 30 years old for post-doc offers. »

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