hi help me please

EDAboard.com Forum Index -> Microcontrollers -> hi help me please

Author

Message

omidgold

Joined: 05 Jun 2006
Posts: 86
Helped: 3

30 Jan 2008 18:06 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.

Google
AdSense
Google Adsense

30 Jan 2008 18:06 Ads

aminr11

Joined: 11 Apr 2007
Posts: 2

19 Apr 2008 9:24 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?