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