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MRF24J40MB
INDEX
A
AC Characteristics
Receiver ......................................................................23
Transmitter .................................................................. 24
Antenna Impedance
Simulated PCB ............................................................ 17
B
Bill of Materials (BOM) ........................................................ 11
Block Diagrams
Microcontroller to MRF24J40MB Interface.................... 4
MRF24J40MB ............................................................... 3
PA/LNA ......................................................................... 7
C
Circuit Description ................................................................. 9
Customer Change Notification Service ............................... 28
Customer Notification Service ............................................. 28
Customer Support ............................................................... 28
D
Details
Module ..........................................................................5
Mounting ....................................................................... 6
Recommended PCB Footprint ...................................... 5
E
Electrical Characteristics .....................................................23
Current Consumption .................................................. 23
Recommended Operating Conditions ......................... 23
Errata..................................................................................... 2
European Radio Communications (ERC)............................21
F
FCC ID Number................................................................... 19
FCC RF Exposure Compliance ........................................... 20
H
Helpful Web Sites.......................................................... 20, 21
I
Interface Description ............................................................. 3
Internet Address .................................................................. 28
M
MAC/Baseband Features ...................................................... 1
Microchip Internet Web Site ................................................ 28
MiWi P2P............................................................................... 3
MiWi Protocol ........................................................................3
More Information ................................................................... 2
Customer Notification System ....................................... 2
Errata ............................................................................2
Mounting Details.................................................................... 5
MRF24J40 Data Sheet...................................................... 3, 9
O
Operation
Energy Detection (ED) .................................................. 7
PA/LNA Control............................................................. 7
Sleep ............................................................................. 7
Overview ............................................................................... 3
P
PCB Antenna ...................................................................... 15
Dimensions ................................................................. 15
Simulation Drawing ..................................................... 16
SWR ........................................................................... 18
PCB Layers
Bottom Copper............................................................ 14
Layer 2 – Ground Plane.............................................. 13
Layer 3 – Power Plane ............................................... 14
Stack Up ..................................................................... 14
Top Copper ................................................................. 13
Top Silk Screen .......................................................... 13
Pin Description...................................................................... 4
Pin Diagram .......................................................................... 1
Printed Circuit Board (PCB) ................................................ 13
R
Radiation Pattern
2D ............................................................................... 16
3D ............................................................................... 17
Reader Response ............................................................... 29
Regulatory Approval ........................................................... 19
Canada ....................................................................... 20
Settings............................................................... 20
Europe ........................................................................ 21
Settings............................................................... 21
United States .............................................................. 19
Settings............................................................... 19
Revision History .................................................................. 25
RF Exposure ....................................................................... 19
RF/Analog Features.............................................................. 1
S
Schematic
MRF24J40MB ............................................................. 10
Serial I/O
SCK, SDI, SDO, CS...................................................... 9
Short Range Devices (SRD) ............................................... 21
Specific Absorption Rate (SAR).......................................... 20
SPI ........................................................................................ 9
W
WWW Address.................................................................... 28
WWW, On-Line Support ....................................................... 2
Z
ZigBee Protocol .................................................................... 3
DS70599B-page 27
Preliminary
? 2009 Microchip Technology Inc.
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