MRF24J40MD Datasheet, PDF (14/34 Pages) Microchip Technology – 2.4 GHz IEEE Std. 802.15.4™ RF Transceiver Module with PA/LNA

FIGURE 2-5:
MRF24J40MD/ME SCHEMATIC
V DD
50 Ohm
i
C14
NP
C18
C17
1nF
1nF
R F3023TR 7
50 Ohm
i
5A
C21
L6 1.5pF
2.7nH
GND
U4
B1 ¹
B2 ³
50 Ohm i
C24
50 Ohm i
1pF
C36
33pF
GND
R9
NP
R8
5.6R
R F Testpoint
R 3-ME
0.0R
R2
0.0R
J1-ME
A 1A
i
50 Ohm
R7
NP
C28
33pF
2 _OUT
i
50 Ohm
UFL Connector
2450BP15B 100E
U5
IN
V DD
R1
470k
Q1
B SS84
C11
0.1uF
Q2
2N7002P,215 R X
i Power Net
SST12LN 01
50 Ohm
i
2
R FIN
U1
R FOUT
50 Ohm
i
5
C44
1.5pF
C16
1nF
V DD
C37
1nF
GND
C38
1nF
Power Net
i
C26
2.2uF
50 Ohm
i
C29
33pF
4
SST12LP17E
U6
6 _{R FOUT R FIN} 3
5
NC
DET
V R EF ⁴
C30
NP
50 Ohm i
R F3023TR 7
1 _B1
50 Ohm i
50 Ohm i
3 _B2
C23
33pF
R6
51R
50 Ohm
i
L8
8.2nH
L10
6.8nH
C27
0.2pF
i 50 Ohm
PA _ON_R
C42
100pF
GND
M1
R ESET
WA K E
IN T
SD I
SC K
Power Net
i
1
2
3
4
5
6
GND
R ESET
WA K E
IN T
SD I
SC K
C2
0.01uF V DD
GND GND
GND
C1
33pF
V DD
C9
C8
1uF
33pF
GND
V DD
C10
0.01uF
GND
C31
100pF
C15
1nF
U3
C43
VDD
33pF
50 Ohm
C19 i C20
L2
4.7nH
50 Ohm
i
1.8pF L4 0.5pF
3.0nH
L5
4.7nH
50 Ohm
i
C22
0.5pF
A5
i
50 Ohm
V DD V DD
C3
33pF
C4
0.1uF
GND GND
PA _ON
TX
RX
GND
GND
1 _{V DD}
2 _{R FP}
3 _{R FN}
4 _{V DD}
5 _{V DD}
6 _GND
7 _{GPIO 0}
8 _{GPIO 1}
9 _{GPIO 5}
10 _{GPIO 4}
C34
0.1uF
V DD
i Power Net
GND
GND
V IN
NC
CS
SD O
12
11
10
9 NC
8 CS
7
4
V DD
C35
0.1uF
2
U7
NC7SZ125P5X
SD O
MR F24J40 Module Footprint
GND
GND
C32
18pF
C33
18pF
X1
20MH z
V DD
V DD
C7
0.01uF
C6
33pF GND
GND
NC ^{30 U2}
NC ²⁹
NC ²⁸
NC ²⁷
NC ²⁶
GND ²⁵
GND ²⁴
NC ²³
GND ²²
V DD ²¹
GND
GND
GND
V DD
C5
1uF
GND