RFFM6901 Datasheet, PDF (10/13 Pages) RF Micro Devices – 2.8V TO 4.2V, 915MHZ ISM BAND TRANSMIT/ RECEIVE MODULE WITH DIVERSITY SWITCH

RFFM6901
Evaluation Board Schematic
J1
PA1_IN
X¹
GND
GND
1
J2
X
PA1_OUT
GND
Red Socket
J9
RF_IN/OUT
X¹
GND
GND
RF_IN/OUT
1
J10
X
RF_IN /OUT
GND
GND
GND
J4
RX
X¹
GND
GND
P1
1
2
3
4
5
6
7
8
VCC
GND
9
HDR_1X9
GND
GND
GND
GND
CLT1
C9
1nF
0201
GND
GND
CLT 2
C 10
1nF
0201
GND
GND
CLT 3
C11
1nF
0201
GND
GND
GND
GND
CLT4
C 12
1nF
0201
GND
1 _GND
2
X RX
3 _GND
4 _NC
5 _GND
6 _{CLT 1}
7 _{CLT 2}
8 _{CLT 3}
9 _{CLT 4}
CLT5
GND
C13
1nF
0201
GND
VCC
GND
V_DIG
GND
C4
0.1uF
0402
GND
C8
1nF
0201
GND
V_LNA
GND
GND
C3
0.1uF
0402
GND
C7
1 nF
0201
GND
GND
GND
1
J3
X
PA2 _IN
R2
DNI
0201
R1
DNI
0201
GND
GND
GND
GND
GND
GND
GND
U1
RFFM6901
GND ²⁵
GND
PA_VCC1 ²⁴
PA_VCC2 ²³
GND ²²
GND
GND
ANT 1 21
GND ²⁰
GND
GND
ANT 2 ^X19
GND ¹⁸
GND
GND
GND ¹⁷
GND
GND
VCC
VCC
C1
0.1uF
0402
C5
1nF
0201
GND
GND
GND
GND
C2
0.1uF
0402
C6
1nF
0201
GND
GND
GND
GND
VCC
VCC
ANT 1
ANT 2
1
J5
X
ANT 1
1
J6
X
ANT 2
GND
GND
GND
GND
GND
R6
DNI
0201
R5
DNI
0201
LNA _IN
R7
DNI
0201
GND
GND
ASW_Rx
1
J8
X
ASW_RX
GND
1
J7
GND
X
LNA_IN
GND
GND
10 of 13
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