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RFID: Amplifier for Oscilloscope @ 134 KHz

Discussion in 'Electronic Design' started by pidy, Jul 27, 2005.

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  1. pidy

    pidy Guest

    hello everybody
    first of all sorry for my not perfect english...
    i need to measure the signal sended from a TAG (transponder) and receive
    from an RFID antenna at 134 KHz (LFID) with a digital oscilloscope bu
    this signal is too low for the resolution of the oscilloscope. and so
    need a preamplifier to put up that signal... i have thought to use a
    Op-amp but i think a normal one is not good in this case because it has t
    be a particular one for LFID system (for coupling, adaptation etc et
    etc).

    everyone can suggest me something?



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  2. Guy Macon

    Guy Macon Guest

    I suggest that you buy a PAR (Princeton Applied Research Corporation)
    model 113 amplifier.

    Also see:
    http://www.aricorp.com/OSP-1.html
    http://www.tek.com/site/ps/0,,60-10387-INTRO_EN,00.html
    http://tangentsoft.net/elec/meas-preamp/
     
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