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AP434R01
UHF(434 MHz) Access Point
RF430F5978EVM
MRD2EVM
134.2-kHz LF-Microreader II
LF 3D Antenna
134.2 kHz
UHF Antenna 434 MHz
RF430F5978 Demo Kit Overview
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RF430F5978 Demo Kit Overview
Figure 1. RF430F5978EVM Kit
Figure 2. RF430F5978EVM Block Diagram
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Introduction
The RF430F5978EVM, including the
, is a complete evaluation platform to evaluate the key
features of RF430F5978:
•
3D LF long-range trigger and wake-up function
•
Passive batteryless transponder communication
•
Resonant trimming
In a typical sequence, the MRD2EVM LF transmitter sends a 64-bit wake pattern and, as soon as the
RF430F5978EVM board is within the supply range (typically 2 m with the components in this kit but can
reach up to 10 m with an LF power transmitter) and detects a valid wake pattern, then activates the
microcontroller. The microcontroller then measures the receive signal strength (RSSI) of all three axes on
the 3D LF antenna, interprets the orientation and distance of the device, measures the temperature,
battery, and system voltage, and sends the information through the onboard UHF transceiver to the
AP434R01 access point.
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RF430F5978EVM User Guide
SLRU007 – July 2014
Copyright © 2014, Texas Instruments Incorporated