MRF24J40MA Просмотр технического описания (PDF) - Microchip Technology

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MRF24J40MA

2.4 GHz IEEE Std. 802.15.4™ RF Transceiver Module

Microchip Technology 

1.2 Mounting Details

The MRF24J40MA is a surface mountable module.

Module dimensions are shown in Figure 1-3. The

module Printed Circuit Board (PCB) is 0.032" thick with

castellated mounting holes on the edge. Figure 1-4 is a

recommended host PCB footprint for the

MRF24J40MA.

The MRF24J40MA has an integrated PCB antenna.

For the best performance, follow the mounting details

shown in Figure 1-5. It is recommended that the

module be mounted on the edge of the host PCB and

an area around the antenna, approximately 1.2", be

kept clear of metal objects. A host PCB ground plane

around the MRF24J40MA acts as a counterpoise to the

PCB antenna. It is recommended to extend the ground

plane at least 0.4" around the module.

FIGURE 1-3:

MODULE DETAILS

MRF24J40MA

FIGURE 1-4:

RECOMMENDED PCB

FOOTPRINT

© 2008 Microchip Technology Inc.

Advance Information

DS70329A-page 7

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