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#1 2011-10-16 14:35:33

razer
Member
Registered: 2011-05-31
Posts: 3

How long is an ETU?

I've compared the ETU in hf 14a list and the actual waveform recorded with an oscilloscope and found that:

1ETU = 1.18 µs

But according to iso 14443:

1ETU = 9.4 µs


Do anyone have any ideas about the difference?

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