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EVB90109 

MLX90109 Evaluation Board Manual 

Page 10 of 10

    

 

 
 
 

REVISION 006 - JUNE 20, 2017 

390129010901 

7.

 

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8.

 

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ISO/TS 16949 and ISO14001 Certified 

Summary of Contents for EVB90109

Page 1: ...e advantages of the MLX90109 transceiver IC It will facilitate the starts of RFID applications and can be implemented in a compact way with minimum development time and minimum final system cost All p...

Page 2: ...n 1 1 EVB90109 Electrical Specifications 3 2 Description 3 2 1 General explanation 3 2 2 Parallel antenna 4 2 3 Modulation network 4 2 4 Antenna voltage in read operation 4 2 5 Noise cancellation in r...

Page 3: ...nd finally allows 100 modulation for reader talk first applications The EVB90109 also includes a fast decay circuit composed of an external transistor and diode in parallel to the resonant antenna use...

Page 4: ...ver to not annihilate all the efforts made in the design of the antenna to work with a high quality factor and then to get the maximum of operating distance 2 3 Modulation network The modulation netwo...

Page 5: ...een MODU and VDD Together with the modulation network R1 and R2 it creates a high pass filter with cut off frequency at 1 2 1 2 1 C R R Note Due to the long time constant introduces and the parasitic...

Page 6: ...ired in fast protocol to be understood by the transponder in the field This is why the EVB90109 include a fast decay circuit controlled through the pin FAST_DECAY and composed of the transitstor Q1 an...

Page 7: ...ws the schematic of the EVB90109 All components in grey are not mounted but the footprints are present if the user wants to use it for dedicated applications 1 8 7 6 5 2 3 4 MLX90109 VDD VDD L C R1 C1...

Page 8: ...8 of 10 REVISION 006 JUNE 20 2017 390129010901 4 Physical outline The following figure shows the outline of the MLX90109 evaluation board Figure 3 EVB90109 outline top side R2 C1 R1 R3 C3 D1 C4 Q1 ML...

Page 9: ...ms Modulation network R3 Not mounted Additional resistor for the modulation network C1 Not mounted Noise cancellation capacitance C2 Not mounted Additional capacitance for the modulation network C3 No...

Page 10: ...of Melexis and the use thereof or anything described by the Information does not grant explicitly or implicitly to any party any patent rights licenses or any other intellectual property rights This d...

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