Block Diagram

FCC ID: W7OMRF24J40MDME

Block Diagram

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FCCID_2208620

MRF24J40MD/ME Wireless Transceiver Module
Block Diagram

20 MHz

20 MHz Crystal Oscillator
U1

A
LNA

P
To PCB Trace Antenna (MD)

X1
To U.FL Connecctor (ME)

U4 U3 U2

RF RF

Controller
Or

To Host
Balun RF SPI
Switch Switch
Port

U5 MRF24J40
U6 2.4 GHz Transceiver IC
2.4
2 4 GHz
GH A
P
Bandpass PA
Filter

Note:
N t Crystal
C l oscillator,
ill
VCO, IF, and other frequency
2.405 – 2.480 GHz generating circuitry is
internal to the MRF24J40 IC.

Power Source
External

Document Created: 2014-03-05 11:42:45
Document Modified: 2014-03-05 11:42:45

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