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Hello.
I have a problem with U2270B and EM-4001 transporder.
Antena I have L=627uH. And build other shematic, work but I don`t have good card code.
In Em-4001 the first 9 - bits is 1, I have this bits but last bits is not good.
In pin U2270 - Output a have f = 0.4~2.4Hz when put card f =...
u2270b schematic
Hello.
I have a problem with U2270B and EM-4001 transporder.
Antena I have L=627uH. And build other shematic, work but I don`t have good card code.
In Em-4001 the first 9 - bits is 1, I have this bits but last bits is not good.
In pin U2270 - Output a have f = 0.4~2.4Hz when...
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