hylinuxer
Newbie level 6
rfid long range reader problems
hi all,i'm trying to design a long range reader operating in 13.56Mhz ,and have a external PA,i'm sure that it's no problem for transmit link ,and the wave are all the same with the referrence document,but it can't read card at all,and i also change various antenna to void carry wave saturation,but no effect,i guess receiver link have problem but don't konw how to do it,can anybody help me ?thank you !or you have different advice about it ?
hi all,i'm trying to design a long range reader operating in 13.56Mhz ,and have a external PA,i'm sure that it's no problem for transmit link ,and the wave are all the same with the referrence document,but it can't read card at all,and i also change various antenna to void carry wave saturation,but no effect,i guess receiver link have problem but don't konw how to do it,can anybody help me ?thank you !or you have different advice about it ?