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Amplifier Stage

The Experts below are selected from a list of 225 Experts worldwide ranked by ideXlab platform

D. Barataud – 1st expert on this subject based on the ideXlab platform

  • EDUCON – Design of a flexible architecture for characterization of active and passive microwave devices (patch antenna, filters, couplers and Amplifier Stage) in a remote laboratory
    2013 IEEE Global Engineering Education Conference (EDUCON), 2013
    Co-Authors: Shady Farah, Abdelhalim Benachenhou, G. Neveux, D. Barataud

    Abstract:

    The objective of this work is to present a new hardware and software flexible architecture of a remote laboratory. This architecture is applied to characterization of active and passive microwave devices. This remote laboratory is based on the use of a previously developed hardware interface FHI (Flexible Hardware Interface). FHI card is employed to the remote control of RF switches that serve to switch between ports or access of measurement and test instruments connected in various devices or Microwave Stages. This method allows the remote characterization of several microwave devices using the same measuring instrument (Vector Network Analyzer for example). The same architecture is used for characterization of passive and active devices in microwave band. The passive devices may include patch antennas, filters, couplers …, and active ones like Amplifier Stages for example. These require other instruments for remote characterization in low and high RF power (RF generator, scope, spectrum analyzer, DC (Direct Current) power supplies…). Switching between instruments is made by the remote control of RF Switches connected to them. The instruments are exploited remotely using those specific interfaces. The remote control of RF Switches is made through HTML web interfaces specially developed for each application. This flexible architecture allows easy implementation of different and multiple distant electronic practical experiments in microwave domain for undergraduate engineering classes. The AJAX approach is used for the transfer of commands and data between the user and the hardware part of the remote laboratory. Results are stored in PhpMySql databases.

  • Design of a flexible architecture for characterization of active and passive microwave devices (patch antenna, filters, couplers and Amplifier Stage) in a remote laboratory
    IEEE Global Engineering Education Conference EDUCON, 2013
    Co-Authors: Shady Farah, Abdelhalim Benachenhou, G. Neveux, D. Barataud

    Abstract:

    The objective of this work is to present a new hardware and software flexible architecture of a remote laboratory. This architecture is applied to characterization of active and passive microwave devices. This remote laboratory is based on the use of a previously developed hardware interface FHI (Flexible Hardware Interface). FHI card is employed to the remote control of RF switches that serve to switch between ports or access of measurement and test instruments connected in various devices or Microwave Stages. This method allows the remote characterization of several microwave devices using the same measuring instrument (Vector Network Analyzer for example). The same architecture is used for characterization of passive and active devices in microwave band. The passive devices may include patch antennas, filters, couplers…, and active ones like Amplifier Stages for example. These require other instruments for remote characterization in low and high RF power (RF generator, scope, spectrum analyzer, DC (Direct Current) power supplies…). Switching between instruments is made by the remote control of RF Switches connected to them. The instruments are exploited remotely using those specific interfaces. The remote control of RF Switches is made through HTML web interfaces specially developed for each application. This flexible architecture allows easy implementation of different and multiple distant electronic practical experiments in microwave domain for undergraduate engineering classes. The AJAX approach is used for the transfer of commands and data between the user and the hardware part of the remote laboratory. Results are stored in PhpMySql databases. © 2013 IEEE.

Shady Farah – 2nd expert on this subject based on the ideXlab platform

  • EDUCON – Design of a flexible architecture for characterization of active and passive microwave devices (patch antenna, filters, couplers and Amplifier Stage) in a remote laboratory
    2013 IEEE Global Engineering Education Conference (EDUCON), 2013
    Co-Authors: Shady Farah, Abdelhalim Benachenhou, G. Neveux, D. Barataud

    Abstract:

    The objective of this work is to present a new hardware and software flexible architecture of a remote laboratory. This architecture is applied to characterization of active and passive microwave devices. This remote laboratory is based on the use of a previously developed hardware interface FHI (Flexible Hardware Interface). FHI card is employed to the remote control of RF switches that serve to switch between ports or access of measurement and test instruments connected in various devices or Microwave Stages. This method allows the remote characterization of several microwave devices using the same measuring instrument (Vector Network Analyzer for example). The same architecture is used for characterization of passive and active devices in microwave band. The passive devices may include patch antennas, filters, couplers …, and active ones like Amplifier Stages for example. These require other instruments for remote characterization in low and high RF power (RF generator, scope, spectrum analyzer, DC (Direct Current) power supplies…). Switching between instruments is made by the remote control of RF Switches connected to them. The instruments are exploited remotely using those specific interfaces. The remote control of RF Switches is made through HTML web interfaces specially developed for each application. This flexible architecture allows easy implementation of different and multiple distant electronic practical experiments in microwave domain for undergraduate engineering classes. The AJAX approach is used for the transfer of commands and data between the user and the hardware part of the remote laboratory. Results are stored in PhpMySql databases.

  • Design of a flexible architecture for characterization of active and passive microwave devices (patch antenna, filters, couplers and Amplifier Stage) in a remote laboratory
    IEEE Global Engineering Education Conference EDUCON, 2013
    Co-Authors: Shady Farah, Abdelhalim Benachenhou, G. Neveux, D. Barataud

    Abstract:

    The objective of this work is to present a new hardware and software flexible architecture of a remote laboratory. This architecture is applied to characterization of active and passive microwave devices. This remote laboratory is based on the use of a previously developed hardware interface FHI (Flexible Hardware Interface). FHI card is employed to the remote control of RF switches that serve to switch between ports or access of measurement and test instruments connected in various devices or Microwave Stages. This method allows the remote characterization of several microwave devices using the same measuring instrument (Vector Network Analyzer for example). The same architecture is used for characterization of passive and active devices in microwave band. The passive devices may include patch antennas, filters, couplers…, and active ones like Amplifier Stages for example. These require other instruments for remote characterization in low and high RF power (RF generator, scope, spectrum analyzer, DC (Direct Current) power supplies…). Switching between instruments is made by the remote control of RF Switches connected to them. The instruments are exploited remotely using those specific interfaces. The remote control of RF Switches is made through HTML web interfaces specially developed for each application. This flexible architecture allows easy implementation of different and multiple distant electronic practical experiments in microwave domain for undergraduate engineering classes. The AJAX approach is used for the transfer of commands and data between the user and the hardware part of the remote laboratory. Results are stored in PhpMySql databases. © 2013 IEEE.

Joshua E Rothenberg – 3rd expert on this subject based on the ideXlab platform

  • low phase noise single frequency single mode 608 w thulium fiber Amplifier
    Optics Letters, 2009
    Co-Authors: Gregory D Goodno, Lewis D Book, Joshua E Rothenberg

    Abstract:

    A chain of four Tm-doped fibers amplified a single-frequency, 2040 nm diode laser to 608 W with M2=1.05±0.03, limited by available pump power. Stimulated Brillouin scattering limits were investigated by splicing different lengths of passive fiber to the output of the final Amplifier Stage. Integrated rms phase noise above 1 kHz was less than λ/30, suggesting the possibility of further scaling via coherent beam combining. To our knowledge, this is the highest power obtained from any single-frequency, single-mode fiber laser.