Help me solve a problem with U2270 from Atmel

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omidgold

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hi help me please

I have a projecy on rfid . i am using u2270 from atmel . i have a manchester code in output of this chip with 512 us width of pulse . i want read a card but i cannot read real number of this card . please help me.
 

Re: hi help me please

HI,can u help me? i use u2270 and use Schematic application note 1.I can see oscillation at Coil1 & Coil2 But there is no activity on output pin.about inductor in datasheet it say 1.5MH which is hard to achieve ,what do u use as inductor?
 

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