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Forum Post: RE: RFID readout at small distance 20 mm

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I use the small glass transponder of 23 mm. This transponder has a small inductor. 

If I change the reader coil to a lower value eg. 10 uH, than my capacitor must have the value of ~130 nF to have a frequency of 134 kHz. Can I adjust for this setting the current through the inductor for the uRDR?

Or can I place resistors in series with the oscillator to decrease the current?

Regards

Henri Schoolderman


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