AN4133 datasheet(1/35 Pages) STMICROELECTRONICS

Part #	AN4133

Description	Using the SPIRIT1 transceiver under ARIB STD-T108 in the 920 MHz band

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July 2012

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AN4133

Application note

Using the SPIRIT1 transceiver under ARIB STD-T108 in the

920 MHz band

By Placido De Vita

Introduction

SPIRIT1 is a very low power RF transceiver, intended for RF wireless applications in the

sub-1 GHz band. It is designed to operate both in the license-free ISM and SRD frequency

bands at 169, 315, 433, 868, 915 and 920 MHz.

The Japanese Association of Radio Industries and Businesses (ARIB) was established in

response to several trends such as the growing internationalization of telecommunications,

the convergence of telecommunications and broadcasting and the need for promotion of

radio-related industries. The ARIB organism defines the basic technical requirements for

standard specifications of radio equipment.

This application note outlines the expected performance when using the Spirit1 under ARIB

STD-T108 (see References on page 33) in the 920 MHz band. For details on the regulatory

limits in the 920 MHz frequency band, please refer to the ARIB STD-T108 regulation in

References on page 33.

These can be downloaded from www.arib.or.jp/english/index.html.

www.st.com

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