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EVB90121

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EVB90121 数据手册

EVB90121

MLX90121 Evaluation Board

Features and Benefits

Output power up to 200miliwatts

Complies with standard ISO15693 and ISO 14443 protocols

Programmable encoder for custom protocol

Short to medium reading range applications

Matching network optimized for 50 ohm antenna impedance

10 pins connector for communication with a microcontroller

Board voltage supplied by a jack connector from 6 to 9 Volts DC

Internal power supply of the board between 3 Volts and 5 Volts DC

Ordering Information

Part No.

EVB90121

Applications Examples

Evaluation Board EVB90121

Freight identification systems

Smart labels and write systems

Access control systems

General Description

The EVB90121 is an assembled module that allows to evaluate the advantages of the MLX90121 13MHz

transceiver IC and to facilitate the development of RFID applications.

The board voltage is supplied by a jack connector from 6 to 9 Volts DC. The internal power supply of the

board can be chosen between 3 Volts and 5 Volts DC by putting the corresponding jumper up or down. A

suppression choke reduces the supply noise.

The matching network can be adjusted through CV1 capacitor and thus can be optimized to transmit full

electromagnetic power up to 200mWatt to a 50-ohm load antenna connected on a SMA connector.

All digital inputs/outputs from the MLX90121 are connected to a standard 10 pins connector. This allows easy

connection to a microcontroller.

390129012101

Rev 001

Page 1 of 8

Evaluation Board

Dec-2004

12 3 4 5 6 7 8

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