webleads-tracker

Share |

Radiofrequency & Microwave expertises

Development of Radiofrequency & Microwave sub-functions

  • Custom development: mixers, frequency multipliers, filters, frequency converter, ...
  • Technology: SMD
  • Design with ADS or AWR tools
  • Broadband design
  • Integration of microwave sub-assemblies

Exemples de sous-fonctions RF

High efficiency power amplifiers

  • Development with SMD components
  • Accurate characterization of transistors with a partner

 

Technologies

  • GaNTransistor: 75% efficiency in S band, 50% efficiency in X band
  • GaAs Transistor: 65% efficiency in S band, 50% efficiency in X bandrendement
  • LDMOS Transistor: 70% efficiency in VHF and UHF bands
  • Integration on ceramic substrate (LTCC)

 

Development axis

  • Efficiency optimization with GaN transistors

Amplificateurs hauts rendements

TerminalDevelopment in specific bands by emulating a non-standard RF transceiver

  • Development of specific amplifiers
  • RF solutions with discrete components: PLL, LNA, modulator & demodulator I / Q ...
  • Reggudized RF: Jammers, Spurious, Noise ...
  • Mechanical development adapted to severe environments
  •  Baseband reconfigurable with FPGA & DSP

 

 

 

Expertise in wireless communication systems

  • Architecture of wireless communications systems (physical layer)
  • Systems simulation (modulation, budget link, channel propagation, EVM, BER, NF, IP3 ...)
  • Antenna diversity
  • Knowledge of Telecom standards (GSM, EDGE, WIMAX)
  • Signal processing
    • Multi-antenna technics
    • Channel coding (Turbo Code LDPC)
    • Baseband receiver (DVB-T/SH, GSM)
  • Co-existence of RF signals

Synoptique RF

28 Rue Robert Keller
ZAC des Champs Blancs, 35510 Cesson-Sévigné
FRANCE
Tél. +33 (0)2 99 00 94 52 - Fax +33 (0)2 99 00 94 58
Site Map >>