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Development of BPS amplifiers for TBL

Development of BPS amplifiers for TBL. Gabriel Montoro*, Yuri Koubychine, Antoni Gelonch Universitat Politècnica de Catalunya (UPC) *E-mail: montoro@tsc.upc.edu. Most important amplifier specifications.

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Development of BPS amplifiers for TBL

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  1. Development of BPS amplifiers for TBL Gabriel Montoro*, Yuri Koubychine, Antoni Gelonch Universitat Politècnica de Catalunya (UPC) *E-mail: montoro@tsc.upc.edu - CLIC Collaboration Meeting (3-4 Nov. 2011) -

  2. Most important amplifier specifications • BPS-Amplifier interconnection: according to IFIC specifications and measurements (signal levels, droop compensation, …). • Amplifier-Digitizer interconnection: according to LAPP specifications (cable type, signal levels, differential signals, control signals, …). • 100 MHz BW (200 MHz if possible). • Rad-hard tolerant IC amplifier (100 Krads): wideband amplifier: TI THS4508. - CLIC Collaboration Meeting (3-4 Nov. 2011) -

  3. A prototype of the amplifier final version was build on January-09 - CLIC Collaboration Meeting (3-4 Nov. 2011) -

  4. Amplifier series evolution/reworks • A first differential to single ended (diff_to_se) version was done for adapting the amplifier to the new digitizers and cabling system. It was detected the presence of glitches in amplifier outputs. • A second version (on January 2011) of diff_to_se was done and applied to only 1 installed amplifier unit for testing. • On July 2011 it was verified the elimination of the ringing and part of the noise, but it was evidenced the need of changing the gain. • On November 2011: a new unit with modified gains is ready to be tested. - CLIC Collaboration Meeting (3-4 Nov. 2011) -

  5. Thanks !Gabriel Montoromontoro@tsc.upc.edu - CLIC Collaboration Meeting (3-4 Nov. 2011) -

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