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Application NoteNxp

Range Extension for IEEE 802.15.4 and ZigBee Applications

Guidance for adding external Power Amplifiers (PA) and Low Noise Amplifiers (LNA) to IEEE 802.15.4 and ZigBee transceivers to extend range while meeting regulatory standards.

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Overview

This application note provides technical guidance on extending the communication range of ZigBee transceivers, specifically the MC1319x, MC1320x, and MC1321x series, by incorporating external Power Amplifiers (PA) and Low Noise Amplifiers (LNA). It details compliance requirements for global regulatory standards including FCC 15.247, ETSI EN 300 328, and ARIB STD-T66. The document analyzes transmitter output power limits, spurious emission constraints, and the impact of duty cycle on regulatory margins. It also addresses practical design factors such as antenna gain, harmonic filtering using ceramic monolithic devices, and PCB layout considerations for maintaining signal integrity and meeting emission masks in the 2.4 GHz ISM band.

Use Cases

  • Wireless sensor networks
  • Industrial factory automation
  • Energy management and HVAC control
  • Asset tracking and monitoring
  • Home automation systems
  • Human interface devices
  • Remote entertainment control

Topics

ZigBee
IEEE 802.15.4
Range Extension
Power Amplifier
Low Noise Amplifier
2.4 GHz ISM Band
FCC 15.247
ETSI EN 300 328
Spurious Emissions
MC1319x
MC1320x
MC1321x

Referenced Parts

BFP420

Infineon

Infineon BFP420 13.6 dB <1.4 dB No High performance, high-frequency transistor

BGA622

Infineon

Infineon BGA622 12 dB <1.5 dB No Low external parts count

BGA2012

NXP

Phillips/NXP BGA2012 11.5 dB <2.5 dB Yes MMIC, low external parts count

MBC13720

Freescale

Freescale MBC13720 12 dB <3 dB Yes MMIC, low external parts count, bypass feature

MC1319x

Freescale

The Freescale series of ZigBee™ transceivers, which includes the MC1319x, MC1320x, and MC1321x

MC1320x

Freescale

The Freescale series of ZigBee™ transceivers, which includes the MC1319x, MC1320x, and MC1321x

MC1321x

Freescale

The Freescale series of ZigBee™ transceivers, which includes the MC1319x, MC1320x, and MC1321x

MMG2401

Freescale

Freescale MMG2401 >20 dBm

NE661M04

NEC

NEC NE661M04 13 dB <1.6 dB No High performance, high frequency transistor

NE662M04

NEC

NEC NE662M04 14.5 dB <1.4 No High performance, high frequency transistor

UPC8231TK

NEC

NEC UPC8231TK 17.0 dB <1.3 dB Yes MMIC, high gain

UPG2301TQ

NEC

NEC UPG2301TQ >22 dBm