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EVB90109

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EVB90109 数据手册

EVB90109

MLX90109 Evaluation Board

Features and Benefits

Minimum PCB size (30 * 30 mm) including a MLX90109 transceiver IC and an optimized antenna

Tuned resonance frequency to 125kHz

Modulation network on board for a maximum flexibility

Setup for fast On/Off keying modulation mode

DIL-10 footprint for easy mounting on prototype set up and development kit

Ordering Information

Part No.

EVB90109

Applications Examples

Evaluation Board

Car Immobilizers

Portable readers

Battery powered door locks

Access control

House held appliances

General Description

The EVB90109 is an assembled module that allows evaluating the 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 pins of the MLX90109 reader are available on a DIL

socket for easy control with an external microcontroller. Two extra pins have been added for extended control

options on the voltage on the MODU pin.

The EVB90109 can be used as a 125 kHz reader, to read out the load modulation from a transponder. It can

also be used to send information to a transponder using On/Off keying modulation. For fast protocol which

required fast fall time on the reader’s antenna, the EVB90109 includes a “Fast decay” circuit composed of an

external transistor and diode in parallel on the antenna. This circuit is accessible through a digital pin on the

DIL-10 connector.

390129010901

Rev 005

Page 1 of 10

Evaluation Board

Aug-2005

12 3 4 5 6 7...10

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