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Design Note DN033

Mitsubishi Ceramic Antenna for 868 MHz, 915 MHz & 955 MHz

By Richard Wallace

Keywords

  • 433 MHz (387 MHz - 510MHz) Antenna

  • 868 MHz (779 MHz - 960MHz) Antenna

  • 915 MHz (779 MHz - 960MHz) Antenna

  • CC1xxx

  • Ceramic Chip Antenna

  • CC-Antenna-DK

  • Mitsubishi Chip Antenna

1 Introduction

This document describes an antenna design that can be used with all transceivers and transmitters from Texas Instruments which are capable of operating in the sub 1 GHz bands. The

Mitsubishi ST01[1].

part

number

is AMD1103-

The AMD series antennas from Mitsubishi Materials Corporation are surface mountable dielectric chip antennas. They can be used in a wide range of frequency by properly selecting matching inductors. They are compact antenna solutions with high performance.

The antenna has been implemented on a CC1101-Q1 EM as shown in Figure 1. All measurement results presented in this document are based on measurements performed on the CC1101-Q1 EM attached to a SmartRF04 evaluation board as shown in Figure 2.

This antenna is available in the CC- Antenna-DK. CC-Antenna-DK board 3 has been tuned to 868 MHz and CC-Antenna- DK board 12 has been tuned to 433 MHz, as shown in Figure 3.

Figure 1: CC1101-Q1 Evaluation Module

SWRA307A

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